The present application relates to an asymmetry composite material and a method for preparing the same, which provides a composite material comprising a metal porous body (metal foam or the like) and a polymer component, and provides a method for preparing a composite material, wherein the polymer component is formed in an asymmetrical structure on both sides of the metal porous body (metal foam or the like), and a composite material prepared in such a manner.

A porous metal and carbon composite lightning strike protection system is described that utilizes flexible metallic material and porous carbon. The carbon-based lightning strike protection system may be produced in the form of a panel that may be applied over the surface of an object to be protected or may be created directly over the surface of the object. The carbon-based lightning strike protection system is readily adaptable to high temperature applications.

Decorative laminates having an open-cell foam layer are disclosed herein. An example decorative laminate includes a decorative layer, an open-cell foam layer coupled to the decorative layer and an adhesive layer coupled to the open-cell foam layer.

Embodiments of the present technology include graphene-metal composites. An example graphene-metal composite comprises a porous metal foam substrate, a graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphene layer, and another graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphene-metal composite.

A gas diffusion electrode substrate has an electrically conductive porous substrate and a microporous layer-1 on one side of the electrically conductive porous substrate. The microporous layer-1 includes a dense portion A and a dense portion B. The dense portion A is a region containing a fluorine resin and a carbonaceous powder having a primary particle size of 20 nm to 39 nm. The dense portion A has a thickness of 30% to 100% with respect to the thickness of the microporous layer-1 as 100% and a width of 10 m to 200 m. The dense portion B is a region containing a fluorine resin and a carbonaceous powder having a primary particle size of 40 nm to 70 nm.

Provided is a sound-absorbing material that is thin and lightweight and is excellent in low-frequency sound-absorbing property. The sound-absorbing material of the present invention includes a laminated structure including in this order: a first perforated layer; a first porous layer; a second perforated layer; and a second porous layer, wherein the first perforated layer has a plurality of through-holes in its thickness direction, wherein the second perforated layer has a plurality of through-holes in its thickness direction, and wherein the first perforated layer has a thickness of less than 1 mm.

The present application provides a method for preparing a composite material. The present application provides a method for preparing a composite material comprising a metal porous body and a polymer component, wherein the polymer component is formed in an asymmetrical structure, and a composite material prepared in such a manner.

A method of making a light weight housing for an internal component is provided. The method including the steps of: forming a first metallic foam core into a desired configuration; forming a second metallic foam core into a desired configuration; inserting an internal component into the first metallic foam core; placing the second metallic foam core adjacent to the first metallic core in order to secure the internal component between the first metallic foam core and the second metallic foam core; applying an external metallic shell to an exterior surface of the first metallic foam core and the second metallic foam core; and securing an inlet fitting and an outlet fitting to the housing, wherein a thermal management fluid path for the internal component into and out of the housing is provided by the inlet fitting and the outlet fitting.

Provided is a sound-absorbing material that is thin and lightweight and is excellent in low-frequency sound-absorbing property. The sound-absorbing material of the present invention includes a laminated structure including: a perforated layer; and a porous layer, wherein the sound-absorbing material has a plurality of hole portions extending from a surface of the perforated layer opposite to the porous layer to a depth of a length L, provided that the length L satisfies 0<LD, D representing a thickness of the porous layer, in a thickness direction of the porous layer from a surface of the porous layer on a perforated layer side.

The present invention relates to a laminate in which a plurality of members including at least a glass are bonded via a bonding agent. The glass bonded has a chamfered portion in an end portion of a lamination surface of the glass, and the bonding agent adheres to the chamfered portion.