CN105699619B - A kind of metal fever potential measuring instrument - Google Patents
A kind of metal fever potential measuring instrument Download PDFInfo
- Publication number
- CN105699619B CN105699619B CN201610109163.2A CN201610109163A CN105699619B CN 105699619 B CN105699619 B CN 105699619B CN 201610109163 A CN201610109163 A CN 201610109163A CN 105699619 B CN105699619 B CN 105699619B
- Authority
- CN
- China
- Prior art keywords
- probe
- measuring instrument
- measured
- test button
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of metal fever potential measuring instrument, it includes temperature control box, sample stage is provided with described temperature control box, described measuring instrument also includes being used for the fixing device, the measurement apparatus for measuring test button to be measured, the control device for being controlled described measurement apparatus being fixed on test button to be measured on sample stage, and described fixing device and measurement apparatus are arranged on described sample stage.Test button to be measured, the fixing device for fixing test button to be measured, measurement apparatus etc. are arranged in a temperature control box by metal fever potential measuring instrument of the present invention, when being measured to test button, the change of environment temperature can be avoided to turn to influence caused by measurement.
Description
Technical field
The present invention relates to a kind of metal fever potential measuring instrument.
Background technology
The generation mechanism of metal material thermoelectrical potential is when the both ends of metal material have a thermograde, due to temperature
Inhomogeneities cause the asymmetry of system electronic to be distributed, so as to material both ends produce an electrical potential difference.Usually said
Thermoelectrical potential namely Seebeck（Seebeck）Coefficient, its define be sample both ends electrical potential difference △ V as caused by temperature difference △ T with
The ratio between temperature difference △ T, i.e. thermoelectrical potential S=△ V/ △ T.Thermoelectrical potential is a physical quantity only relevant with material character, only works as material
The fundamental property of the Shi Caihui that changes itself changes therewith, not related with the geometry and size of material and with good
Linear superposition characteristic.
Metal material used in key equipment in nuclear power plant is during long service, due to heat ageing, neutron irradiation etc.
The effect of aging effect, the mechanical property of material can change, as intensity hardness rises, plasticity toughness declines.Research finds,
The change of metal material mechanics performance and thermoelectrical potential change are closely related, can be by measuring the thermoelectrical potential assessment material of material
Mechanical property changes.Compared to the thermoelectrical potential of other thermoelectric materials, the thermoelectrical potential very little of metal material, typically in a few μ V/K to several
Ten μ V/K, this requires that the thermoelectrical potential measurement for metal material is more accurate.
General principle currently used for the instrument of metal material thermoelectrical potential measurement is across in two controllable temperatures by sample
On platform, stable thermograde, the electrical potential difference at measurement sample both ends, so as to obtain the thermoelectricity of sample are set up at sample both ends
Gesture data.Although these instruments disclosure satisfy that the basic demand of metal fever potential measurement, have the disadvantages that：1st, measuring
Affected by environment larger during metal material thermoelectrical potential, the result measured at a temperature of varying environment is different；2nd, measuring probe and sample
Between thrust size thermoelectrical potential testing result is had a great influence, the result that is measured under different thrusts is different, and existing instrument
Device is difficult accurate control thrust；3rd, existing instrument when calculating thermoelectrical potential, its read data temperature sensor and voltage
Sensor is not in same measurement point, so that result of calculation is not accurate enough.In order to overcome disadvantages mentioned above, it is necessary to which one kind can
Environment temperature is enough controlled, and can enough controls thrust, and the thermoelectrical potential measurement dress that temperature and pressure measures at same point
Put.
The content of the invention
The technical problems to be solved by the invention are overcome the deficiencies in the prior art, there is provided one kind can control environment temperature
Metal fever potential measuring instrument.
To solve above technical problem, the present invention adopts the following technical scheme that：
A kind of metal fever potential measuring instrument, it includes temperature control box, sample stage is provided with described temperature control box, described
Measuring instrument is also including the fixing device for being fixed on test button to be measured on sample stage, for measuring test button to be measured
Measurement apparatus, the control device for being controlled to described measurement apparatus, described fixing device and measurement apparatus are set
It is placed on described sample stage.
Preferably, described measurement apparatus includes the first probe that can be movably arranged at along Y direction on sample stage
Component and the second probe assembly, described fixing device include can be slidingly arranged at along X-direction on sample stage first
Support block and the second support block, described X-axis are mutually perpendicular to Y-axis.
Preferably, X axis dovetail groove is offered along X-direction on described sample stage, Y-axis is offered along Y direction
Dovetail groove, described fixing device are slidably mounted in X axis dovetail groove, and described measurement apparatus is slidably mounted on
In Y-axis dovetail groove.
Preferably, the first described probe assembly includes the first probe bearing, be installed on the first probe bearing first
Pillar, first be installed on the first pillar probe, for the first heating plate to described first probe heating, described the
The first elastic component is provided between one pillar and the described first probe bearing；The second described probe assembly includes the second probe
Bearing, the second pillar being installed on the second probe bearing, the second probe being installed on the second pillar, for described the
Second heating plate of two probe heating, the second elasticity is provided between the second described pillar and the described second probe bearing
Part.
Preferably, described control device includes being used for the heating plate temperature for controlling the first heating plate and the second heating plate respectively
Spend controller, the temperature measuring set for measuring the first probe and the second probe temperature respectively.
Preferably, described control device includes being used to control the first probe assembly and the second probe assembly in Y direction
On to the feed mechanism of test button loading force to be measured, described feed mechanism is fixed on described sample stage, described control
Device processed also includes a force snesor, described force snesor be arranged at the first described probe assembly, the second probe assembly with
Between described feed mechanism, the feed mechanism for measuring described is applied to the first described probe assembly, the second probe assembly
The pressure added.
Preferably, described control device also includes a pressure measxurement for being used to measure described force snesor pressure signal
Instrument.
Preferably, the first support block includes being used to clamp described test button to be measured the first V-block, for adjusting
First spiral handle of pressure between the first V-block and described test button to be measured stated；Second support block includes being used to press from both sides
Hold described test button to be measured the second V-block, for adjust the second described V-block and described test button to be measured it
Between pressure the second spiral handle.
Preferably, described control device includes being used for the temperature control box temperature control for controlling described temperature control the temperature inside the box
Device.
Preferably, described control device also includes being used for voltage difference between the probe of measurement first and the second probe respectively
Pressure measuring instrument.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art：It is of the present invention
Metal fever potential measuring instrument sets test button to be measured, the fixing device for fixing test button to be measured, measurement apparatus etc.
It is placed in a temperature control box, when being measured to test button, can avoid the change of environment temperature influences to caused by measurement.
Brief description of the drawings
Fig. 1 is the theory structure schematic diagram of metal fever potential measuring instrument of the present invention；
Fig. 2 is the structural representation of probe assembly of the present invention；
Fig. 3 is the structural representation of metal fever potential measuring instrument of the present invention,
1st, temperature control box；2nd, sample stage；3rd, X axis dovetail groove；4th, Y-axis dovetail groove；5th, the first support block；6th, the second support
Block；7th, the first probe assembly；8th, the second probe assembly；9th, force snesor；10th, support；11st, feed mechanism；12nd, temperature control box temperature
Controller；13rd, pressure-measuring device；14th, temperature measuring set；15th, pressure measuring instrument；16th, heating plate temperature controller；17th, calculate
Machine；18th, test button to be measured；71st, the first probe；72nd, the first pillar；73rd, the first probe bearing；74th, the first elastic component；75、
First temperature survey cable；76th, first voltage measurement cable；77th, the first heating plate.
Embodiment
The present invention is described in further details below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to say
The bright basic principles, principal features and advantages of the present invention, and the present invention is not limited by the scope of following examples.Adopted in embodiment
Implementation condition can do further adjustment according to specific requirement, and unreceipted implementation condition is usually the bar in normal experiment
Part.
It is metal fever potential measuring instrument of the present invention as shown in Figure 1, including temperature control box 1, in described temperature control box 1
Sample stage 2 is provided with, and described measuring instrument also includes being used for fixed dress test button 18 to be measured being fixed on sample stage 2
Put, the measurement apparatus for measuring test button 18 to be measured, the control device for being controlled to described measurement apparatus.Temperature
Case 1 is controlled by Resistant heating, thermocouple temperature measurement, the interior filling insulation material of casing.
Described fixing device includes the first support block 5 and the second support block 6, and described measurement apparatus includes the first probe
The probe assembly 8 of component 7 and second, described control device include feed mechanism 11, force snesor 9, temperature control box temperature controller
12nd, pressure-measuring device 13, temperature measuring set 14, pressure measuring instrument 15, heating plate temperature controller 16, for data storage and place
The computer 17 of reason.
X axis dovetail groove 3 is offered along X-direction on described sample stage 2, Y-axis dovetail groove is offered along Y direction
4, two dovetail groove distributions in T shape.
First support block 5 and the second support block 6 are slidably disposed in X axis dovetail groove 3, the first described support block
5 and second the distance between support block 6 it is adjustable, to adapt to various sizes of test button to be measured 18.First support block 5 and
Two support blocks 6 are respectively including the V-block for clamping described test button to be measured 18, for adjusting described V-block and institute
The spiral handle of pressure between the test button to be measured 18 stated, described V-block are used to clamp test button 18 to be measured, pass through rotation
Pressure between V-block and test button to be measured 18 can be adjusted by turning spiral handle, in order to by the peace of test button 18 to be measured
Assembly and disassembly.Preferably, the first support block 5 and the second support block 6 are made using polytetrafluoroethylmaterial material.
As shown in Fig. 2 the first described probe assembly 7 includes the first probe bearing 73, is installed on the first probe bearing 73
On the first pillar 72, be installed on the first pillar 72 the first probe 71, for the to the described heating of first probe 71
One heating plate 77, the first elastic component 74 is provided between the first described pillar 72 and the described first probe bearing 73, it is described
The first probe 71 be connected by the first temperature survey cable 75 with temperature measuring set 14, by first voltage measurement cable 76 and
Pressure measuring instrument 15 is connected.
Second probe assembly 8 is similar to the structure of the first probe assembly 7, including second probe bearing, be installed on the second probe
The second pillar on bearing, second be installed on the second pillar probe, for second to the second described probe heating plus
Backing, the second elastic component is provided between the second described pillar and the described second probe bearing.The second described probe is logical
Cross second temperature measurement cable with temperature measuring set 14 to be connected, measure cable by second voltage is connected with pressure measuring instrument 15.
Preferably, the first described elastic component 74 and the second elastic component are spring, on the surface of test button 18 to be measured not
Ensure that two probes are in close contact simultaneously with specimen surface in the case of smooth.
Feed mechanism 11 is used to control the first probe assembly 7 and the second probe assembly 8 in the Y-axis direction to try metal to be measured
The loading force of sample 18, force snesor 9 is used to measure first the 71, second probe of probe to the pressure of test button 18 to be measured, described
Force snesor 9 is arranged between the first described probe assembly 7, the second probe assembly 8 and described feed mechanism 11.It is preferred that
Ground, feed mechanism 11 are hand feeding mechanism, and its bottom is fixed by screws on sample stage 2, and top passes through screw rod and support
10 are connected, and the slip in Y-axis dovetail groove 4 of driving arm 10 is rotated by screw rod, make the first probe 71 and the second probe with one
Level pressure clamp force is pressed in specimen surface.
Heating plate temperature controller 16 is used to control the first heating plate 77 and the second heating plate temperature, temperature measuring set respectively
14 are used for the probe 71 of measurement first and the second probe temperature respectively, and pressure-measuring device 13 is pressed for measuring described force snesor 9
Force signal, temperature control box temperature controller 12 are used to control temperature in described temperature control box 1, and pressure measuring instrument 15 is used to measure respectively
Voltage difference between first probe 71 and the second probe.In order to preferably conduct heat, probe is made using TU1 oxygen-free coppers.In order to
Avoid introducing foreign current, pillar is made using polytetrafluoroethylene (PTFE), heating plate Ceramics heating plate.
The temperature control box temperature controller 12 receives the temperature control order of temperature control box 1 that computer 17 transmits, and controls temperature control
The temperature of case 1 is maintained at setting value.The pressure signal that force snesor 9 measures is converted to data signal and transmitted by pressure-measuring device 13
The real-time display of computer 17 is given, to adjust probe pressure.Temperature measuring set 14 believes probe assembly and the temperature simulation measured
Number be converted to data signal and be transferred to computer 17.Pressure measuring instrument 15 turns probe assembly and the voltage analog signal measured
It is changed to data signal and is transferred to computer 17.Heating plate temperature controller 16 receives the heating plate temperature control that computer 17 transmits
System order, control heating plate temperature are maintained at setting value.
The computer 17 completes the setting of the temperature of temperature control box 1, the setting of heating plate temperature, thermoelectrical potential measurement period and measurement frequency
Rate setting, probe pressure real-time display, and the data that probe temperature measuring instrument 14 and pressure measuring instrument 15 are transmitted are handled,
Obtain sample thermoelectrical potential data.
Thermoelectrical potential is carried out using metal fever potential measuring instrument of the present invention to test button quickly to measure, main step
Suddenly include：
Test button 18 to be measured is arranged in the first support block 5 and the second support block 6 on sample stage 2, rotational support
Block upper handle clamps test button 18 to be measured；
The spiral handle of feed mechanism 11 is rotated, controls the first probe assembly 7 and the second probe assembly 8 to be tried to metal to be measured
Sample 18 moves and is adjacent to test button 18 to be measured, the pressure size shown on Real Time Observation computer 17, when pressure reaches expected
During value, the handle for the feed mechanism 11 that stops operating；
Temperature control box 1 is closed, the temperature of temperature control box 1, the first heating plate 77 and the second heating plate is set on computer 17, opened
Begin to heat.
Setting measurement cycle and measurement frequency on computer 17, treat temperature control box 1, the first heating plate 77 and the second heating plate
Temperature reach setting value after, start to read the first probe 71 and the second probe temperature difference △ T and voltage difference △ V for measuring, and
The thermoelectrical potential of sample is calculated by below equation：S=△V/△T.
Compared to prior art, thermoelectrical potential measurement apparatus provided by the invention has advantages below：
1. controlling environment temperature by temperature control box 1, the influence that variation of ambient temperature is brought to measurement result is eliminated；
2. be equipped with screw clamping mechanism in the first support block 5 and the second support block 6, fast clamp and metal to be measured can be unloaded
Sample 18；
3. the position of the position and probe assembly of the first support block 5 and the second support block 6 is adjustable, go for clamping
Various sizes of test button to be measured 18；
4. the same point of voltage measurement and temperature survey on sample is carried out, eliminate both and brought in different measurement points
Error；
5. the size of the first probe 71 and the second probe to the thrust of test button 18 to be measured, operation letter can be controlled manually
Just, influence of the thrust difference to measurement result is eliminated；
6. being equipped with elastic component in probe assembly, it can ensure that two probes are same with sample in the case of specimen surface out-of-flatness
When be in close contact.
The present invention is described in detail above, the explanation of embodiment be only intended to help the method for understanding the present invention and
Its core concept, its object is to allow the personage for being familiar with this art to understand present disclosure and implement according to this, and
It can not be limited the scope of the invention with this.Any equivalent change or modification in accordance with the spirit of the invention, it should all contain
Cover within protection scope of the present invention.
Claims (8)
- A kind of 1. metal fever potential measuring instrument, it is characterised in that：It includes temperature control box, and sample is provided with described temperature control box Platform, described measuring instrument are also treated including the fixing device for being fixed on test button to be measured on sample stage, for measuring Survey the measurement apparatus of test button, the control device for being controlled to described measurement apparatus, described fixing device and Measurement apparatus is arranged on described sample stage,Described measurement apparatus includes the first probe assembly that can be movably arranged at along Y direction on sample stage and second and visited Head assembly,The first described probe assembly includes the first probe bearing, the first pillar being installed on the first probe bearing, is installed on The first probe on first pillar, the first heating plate for being heated to the first described probe, the first described pillar and institute The first elastic component is provided between the first probe bearing stated；The second described probe assembly includes the second probe bearing, the second pillar being installed on the second probe bearing, is installed on The second probe on second pillar, the second heating plate for being heated to the second described probe, the second described pillar and institute The second elastic component is provided between the second probe bearing stated；Described fixing device includes the first support block that can be slidingly arranged at along X-direction on sample stage and the second support Block, described X-axis are mutually perpendicular to Y-axis.
- A kind of 2. metal fever potential measuring instrument according to claim 1, it is characterised in that：Along X on described sample stage Direction of principal axis offers X axis dovetail groove, offers Y-axis dovetail groove along Y direction, described fixing device is slidably mounted In X axis dovetail groove, described measurement apparatus is slidably mounted in Y-axis dovetail groove.
- A kind of 3. metal fever potential measuring instrument according to claim 1, it is characterised in that：Described control device includes For controlling the heating plate temperature controller of the first heating plate and the second heating plate temperature respectively, for measuring the first probe respectively With the temperature measuring set of the second probe temperature.
- A kind of 4. metal fever potential measuring instrument according to claim 1, it is characterised in that：Described control device includes For control the first probe assembly and the second probe assembly in the Y-axis direction the feed mechanism to test button loading force to be measured, For measuring the first probe, the second force snesor popped one's head in test button pressure to be measured, described force snesor is arranged at institute Between the first probe assembly, the second probe assembly and the described feed mechanism stated.
- A kind of 5. metal fever potential measuring instrument according to claim 4, it is characterised in that：Described control device also wraps Include a pressure-measuring device for being used to measure described force snesor pressure signal.
- A kind of 6. metal fever potential measuring instrument according to claim 1, it is characterised in that：First support block includes being used for Clamp the first V-block of described test button to be measured, for adjusting the first described V-block and described test button to be measured Between pressure the first spiral handle；Second support block includes being used for the second V-block, the use for clamping described test button to be measured Second spiral handle of pressure between the second described V-block of regulation and described test button to be measured.
- A kind of 7. metal fever potential measuring instrument according to claim 1, it is characterised in that：Described control device includes For controlling the temperature control box temperature controller of described temperature control the temperature inside the box.
- A kind of 8. metal fever potential measuring instrument according to claim 1, it is characterised in that：Described control device also wraps Include the pressure measuring instrument for measuring voltage difference between the first probe and the second probe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610109163.2A CN105699619B (en) | 2016-02-29 | 2016-02-29 | A kind of metal fever potential measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610109163.2A CN105699619B (en) | 2016-02-29 | 2016-02-29 | A kind of metal fever potential measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105699619A CN105699619A (en) | 2016-06-22 |
| CN105699619B true CN105699619B (en) | 2017-12-19 |
Family
ID=56223467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610109163.2A Active CN105699619B (en) | 2016-02-29 | 2016-02-29 | A kind of metal fever potential measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105699619B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490237A (en) * | 2018-03-08 | 2018-09-04 | 华中科技大学 | A kind of device and method of potable metal pipeline thermoelectric gesture nondestructive measurement |
| CN108459191B (en) * | 2018-03-26 | 2020-10-23 | 苏州热工研究院有限公司 | Portable thermoelectric potential detector |
| CN108459046B (en) * | 2018-05-09 | 2020-10-09 | 哈尔滨工业大学 | Device for testing Seebeck coefficient and conductivity of thin film type thermoelectric material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004022912A (en) * | 2002-06-18 | 2004-01-22 | Yamaha Corp | Method and apparatus for evaluating thermoelectric characteristic |
| CN101285788A (en) * | 2008-05-20 | 2008-10-15 | 中山大学 | Pyroelectric material measuring apparatus |
| JP2009258032A (en) * | 2008-04-21 | 2009-11-05 | Ulvac-Riko Inc | Measuring instrument of seebeck coefficient and heat permeability and measuring instrument of heat permeability |
| CN102944735A (en) * | 2012-11-21 | 2013-02-27 | 重庆材料研究院 | Automatic test system and test method for thermoelectric forces of thermocouple wires |
| CN105158542A (en) * | 2015-08-31 | 2015-12-16 | 苏州热工研究院有限公司 | Metal thermoelectric potential detection instrument |
| CN105203825A (en) * | 2015-08-31 | 2015-12-30 | 国家纳米科学中心 | Manufacturing method of micro measuring electrode, measuring method of thermoelectrical potential and related device |
-
2016
- 2016-02-29 CN CN201610109163.2A patent/CN105699619B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004022912A (en) * | 2002-06-18 | 2004-01-22 | Yamaha Corp | Method and apparatus for evaluating thermoelectric characteristic |
| JP2009258032A (en) * | 2008-04-21 | 2009-11-05 | Ulvac-Riko Inc | Measuring instrument of seebeck coefficient and heat permeability and measuring instrument of heat permeability |
| CN101285788A (en) * | 2008-05-20 | 2008-10-15 | 中山大学 | Pyroelectric material measuring apparatus |
| CN102944735A (en) * | 2012-11-21 | 2013-02-27 | 重庆材料研究院 | Automatic test system and test method for thermoelectric forces of thermocouple wires |
| CN105158542A (en) * | 2015-08-31 | 2015-12-16 | 苏州热工研究院有限公司 | Metal thermoelectric potential detection instrument |
| CN105203825A (en) * | 2015-08-31 | 2015-12-30 | 国家纳米科学中心 | Manufacturing method of micro measuring electrode, measuring method of thermoelectrical potential and related device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105699619A (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105699619B (en) | A kind of metal fever potential measuring instrument | |
| Zhang et al. | Simultaneous measurements of the thermal conductivity and thermal diffusivity of molten salts with a transient short-hot-wire method | |
| US20160349036A1 (en) | Apparatus for testing shape memory effects in liquid bath | |
| Roshchin | High-temperature installation for testing composite ceramic materials on the friction and wear behaviour | |
| US5641912A (en) | Method for remote application of variable load and/or displacement to specimens, components, or systems | |
| CN106093584A (en) | A kind of Contact Resistance Test System | |
| CN105606643A (en) | Thermoelectric property measuring sample platform and thermoelectric property measuring apparatus | |
| CN206787902U (en) | A kind of power thermal coupling loading device in situ based on EBSD analyses | |
| CN105158542A (en) | Metal thermoelectric potential detection instrument | |
| Hirschberg | A low cycle fatigue testing facility | |
| CN103499601B (en) | A kind of method and apparatus testing textile dynamic thermal transmission characteristic | |
| ES2095485T3 (en) | APPARATUS FOR THE ANALYSIS OF FRESH CONCRETE AND MORTAR. | |
| US3234778A (en) | Dilatometer for heated specimens under external stress | |
| CN2852122Y (en) | Apparatus for measuring metal specific heat capacity by cooling method | |
| Amann et al. | Measurement of thermo-mechanical strains in plated-through-holes | |
| JPS58186030A (en) | Testing apparatus of heating and cooling | |
| CN112415044A (en) | Method for detecting specific heat capacity of solid based on mechanical means | |
| JPS63311143A (en) | Bending tester | |
| SU145386A1 (en) | Apparatus for studying the visco-elastic properties of flexible foams and rubber compounds | |
| JP2003042917A (en) | Device for testing fatigue in miniature thermal machine | |
| JPH07248285A (en) | Device for evaluating surface physical properties | |
| CN213779939U (en) | Heat conductivity coefficient tester by flat-plate heat flow meter method | |
| RU2308016C2 (en) | Device for measuring elasticity modulus of construction materials at high temperatures | |
| CN213633248U (en) | Test device for testing heat conductivity coefficient | |
| CN213779948U (en) | Transient laser method heat conductivity coefficient tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |