JP2021505429A5

JP2021505429A5 -

Info

Publication number: JP2021505429A5
Application number: JP2020529530A
Authority: JP
Filing date: 2018-11-30
Publication date: 2022-01-06

Claims

It ’s a composite material system.
Structures with constructed 3D geometry that are monolithic and deterministic,
A matrix phase that at least partially impregnates the structure and
A composite material system characterized by being equipped with.

The composite material system of claim 1, wherein the three-dimensional geometry is a nano or micro-constructed three-dimensional geometry.

The structure is characterized by an area normalized energy relaxation metric (Ψ) selected from the range ^{2 × 10 4} J / m ² to 4 × 10 ⁵ J / m ² , or the structure is 1.9 ×. characterized by ^{^{10 6 J / kg~4 × 10 6}} J / kg density normalized energy relaxation metric selected from the range of ([psi), composite system according to claim 1 or 2.

The composite material system according to any one of claims 1 to 3 , wherein the structure is characterized by a bounce coefficient selected from the range of 0.8 to 0.3.

The composite material system according to any one of claims 1 to 4 , wherein the structure is characterized by at least one vibration frequency bandgap.

The composite material system of claim 5 , wherein the at least one vibration frequency bandgap is deterministic.

The composite material system according to any one of claims 1 to 6, wherein the at least one vibration frequency bandgap is in the range of 0.1 MHz to 200 MHz.

The composite material system according to any one of claims 1 to 7 , characterized by a damping ratio of at least 1.2%.

The composite material system according to any one of claims 1 to 8 , wherein the three-dimensional geometry has at least one surface feature.

At least part of the prior SL at least part of at least one surface feature is characterized by a Gaussian curvature of the non-zero, at least part of said at least one surface feature is characterized by the mean curvature of the non-zero, the at least one surface feature Is characterized by a zero mean curvature, at least a portion of the at least one surface feature is characterized by a non-uniform Gaussian curvature or a non-uniform mean curvature, at least a portion of the at least one surface feature is a uniform Gaussian curvature or The thickness dimension of the at least one surface feature, characterized by a uniform mean curvature, is not uniform across the at least one surface feature, or the thickness dimension of the at least one surface feature is across the at least one surface feature. The composite material system according to any one of claims 1 to 9 , which is uniform.

The composite material system according to any one of claims 1 to 10 , wherein the three-dimensional geometry is characterized as a spinodal geometry.

The composite material system according to any one of claims 1 to 11 , wherein the structure is characterized by a gradient of normalized effective modulus vs. relative density, selected from the range 1-1.3.

The composite material system according to any one of claims 1 to 12 , wherein the three-dimensional geometry comprises a resonator.

The composite material system according to any one of claims 1 to 13 , wherein the three-dimensional geometry is characterized by a unit cell geometry having a resonator.

It said resonator has a Ma Micro inertia characteristics, composite system according to any one of claims 1 to 14.

The composite material system according to any one of claims 13 to 15 , wherein the resonator comprises a cantilever beam feature and a micro-inertial feature connected to the end of the cantilever beam feature.

The structure is characterized by deterministic anisotropy decay characterized in that at least 1% larger damping along the first direction than along the second direction, one of the claim 1-16 The composite material system according to one item.

The composite material system according to any one of claims 1 to 17 , wherein the structure exhibits oscillating black scattering and the structure does not exhibit oscillating local resonance.

The composite material system according to any one of claims 1 to 18 , wherein the structure comprises a carbon allotrope material, a polymer ceramic material, a metal material or a combination thereof.

The composite material system according to any one of claims 1 to 19 , wherein the three-dimensional geometry is a geometry without nodes.

The composite material system according to any one of claims 1 to 20 , wherein the structure has at least one hollow feature.

It said three-dimensional geometry having at least one longitudinal features, and wherein at least part of the at least one longitudinal features characterized et is the curvature of the non-zero along the longitudinal direction of the feature,
The at least one longitudinal feature is characterized by a non-uniform curvature along the longitudinal direction of the feature, or the at least one longitudinal feature is at least non-uniform along the longitudinal direction of the feature. The composite material system according to any one of claims 1 to 21 , which has one cross-sectional dimension.

The composite material system according to any one of claims 1 to 22 , wherein the three-dimensional geometry has at least one feature having a non-uniform cross-sectional shape.

The structure defines a three-dimensional outer boundary shape, the three-dimensional geometry, comprising at least one feature crossing the boundary only one point or zero point, in any one of claims 1 to 23 The composite material system described.

The composite material system according to any one of claims 1 to 24 , wherein the three-dimensional outer boundary shape of the structure corresponds to the shape of the composite material system.

The composite material system according to any one of claims 1 to 25 , wherein the three-dimensional outer boundary shape defined by the structure is hollow.

The three-dimensional geometry is an overall three-dimensional geometry including at least a primary three-dimensional geometry and a secondary three-dimensional geometry, and any of claims 1 to 26, wherein the primary three-dimensional geometry and the secondary three-dimensional geometry are different. Or the composite material system described in paragraph 1.

The composite material system according to any one of claims 1 to 27 , wherein the structure has a closed region without the matrix region.

The structure is contained in the matrix phase, which part is also not present beyond the outer boundary of the matrix layer, the composite system according to any one of claims 1 to 28 in the structure.

At least part of the three-dimensional geometry is a tetrahedral decahedron, Weaire-Phelan shape, honeycomb shape, auxetic shape, octet truss shape, octahedron, diamond lattice, 3D cage shape, square shape, cube shape, tetrahedron shape, space. The composite material system according to any one of claims 1 to 29 , characterized as a filled polyhedron, a periodic minimum surface, a triple periodic minimum surface shape, a spinodal shape, a chiral shape, or a combination thereof.

The feature one or more posts, beams, Thailand, comprising trusses, sheet, surface, sphere, ellipse, and the shell, composite system according to any one of claims 1 to 30. FIG.

The structure is 5% to 99.9% of which is characterized by a relative density selected from the range, the composite system according to any one of claims 1 to 31.

The composite material system according to any one of claims 1 to 32 , wherein the structure is characterized by elasticity and the elasticity of the structure is deterministic.

The structure is characterized as having a flexural dominant mode or stretching dominant mode, composite system according to any one of claims 1 to 33.

The composite material system according to any one of claims 1 to 34 , wherein the structure comprises a coating.

The matrix phase polymer, epoxy, carbon allotrope, ceramics, metals, including viscous fluids or one or more materials selected from the group consisting of, according to any one of claims 1 to 35 Composite material system.

A method of making a composite material system, the method of which is
A step of preparing a structure by a layered modeling process, wherein the structure has a constructed 3D geometry, and the 3D geometry is monolithic and deterministic.
A step of impregnating the structure with a matrix phase, wherein the structure is at least partially impregnated with the matrix phase.
The step of making the composite material system thereby and
How to include.