An aluminum alloy material is prepared that has surface configuration of threefold irregularities such that rough surface having surface roughness of 10 to 100 μm period is observed with an electron microscope in a magnification of 1000 times, surface having fine irregularities of 1 to 5 μm period based on crystal grain boundary is observed with an electron microscope in a magnification of 10000 times and surface having ultrafine irregularities of 30 to 100 nm period is confirmed with an electron microscope in a magnification of 100000 times. Aluminum alloy material is integrally joined with a resin composition consisting of a total resin part containing polyphenylene sulfide resin by 70 mass % or more of the resin part, modified polyolefin resin by 30 mass % or less of the resin part and a resin of third component having ability for promoting compatibility of polyphenylene sulfide resin and modified polyolefin resin.

A method of making a light weight component is provided. The method including the steps of: forming a metallic foam core into a desired configuration; applying an external metallic shell to an exterior surface of the metallic foam core after it has been formed into the desired configuration; forming an inlet opening and an outlet opening in the external metallic shell in order to provide a fluid path through the metallic foam core; and injecting a thermoplastic material into the metallic foam core via the inlet opening.

A composite article includes an inorganic non-metallic article and a resin article. The resin article is connected to the inorganic non-metallic article. The inorganic non-metallic article includes at least one connecting surface. At least a portion of the connecting surface comprises groove-peak like microstructures. At least one of the microstructures comprises a rough and/or porous surface having at least one of a roughness element and a porous structure. The inorganic non-metallic article and resin article are combined together through the microstructures. A method for making the composite article is also provided.

A particle foam component has a foam body, which is provided with a cover layer made of a plastic material at least in partial areas of its outer surface. The foam body has a compressed surface structure in its areas supporting the cover layer. The cover layer is bonded in substance to the compressed surface structure of the foam body. For producing the particle foam component, the foam body is foamed in a mold and the cover layer is foamed or molded integrally in a subsequent method step. A compressed surface structure is formed in the surface areas supporting the cover layer before applying the cover layer, and the cover layer is bonded in substance to the compressed surface structure.

An exemplary method of, for instance, forming a baffle or reinforcer includes extruding an expandable material to have a particular cross-sectional profile, inserting the expandable material into a molding tool, cutting the expandable material to a predetermined length within the molding tool, and overmolding a carrier material onto a portion of the expandable material within the molding tool.

A method of making an aluminum alloy-resin composite and an aluminum alloy-resin composite obtained by the same are provided. The method may comprise: S1: anodizing a surface of an aluminum alloy substrate to form an oxide layer on the surface, in which the oxide layer includes nanopores; S2: immersing the resulting aluminum alloy substrate obtained at step S1 in an alkaline solution having a pH of about 10 to about 13, to form corrosion pores on an outer surface of the oxide layer, wherein the alkaline solution is an aqueous solution including at least one selected from a soluble carbonates, a soluble alkali, a soluble phosphate, a soluble sulfate, and a soluble borate; S3: injection molding a resin onto the surface of the resulting aluminum alloy substrate in step S2 in a mold to obtain the aluminum alloy-resin composite.

A model for anatomical training includes a clear thermoplastic elastomer matrix formed with at least one contoured surface that simulates at least a portion of a human body. The visibly clear thermoplastic elastomer matrix provides visible needle tracks upon needle penetration that may be fused closed upon heating the thermoplastic elastomer matrix. The model includes at least a portion of a vertebral column with a synthetic spinal sheath passing through a portion of the vertebral column, the synthetic spinal sheath providing tactile feedback upon needle penetration that simulates the tactile feedback of a needle penetrating a natural human spinal sheath.

An injection molded integral multicolor thermoplastic elastomeric foamed sole, comprising an integral sole made from thermoplastic elastomeric foaming bodies of at least two colors, and on surfaces thereof are provided grains of arbitrarily superposed injection strips; the foamed sole is made by: mixing, milling and heating thermoplastic elastomer raw materials of at least two colors, lubricants, and foaming auxiliaries to be thermoplastic elastomeric fused-masses, adding respectively gas-foaming agents at 0.2%-10% of thermoplastic elastomeric raw materials, compressive injecting gas-foaming agents respectively into thermoplastic elastomeric fused-masses, fully mixing to form thermoplastic elastomeric gas foamed polymers, and extruding foaming strips of thermoplastic elastomeric gas polymers of the at least two colors with an extrusion and injection process and/or co-extruding the foaming strips of thermoplastic elastomeric gas polymers of the at least two colors by a co-extrusion process into molds to form arbitrarily superposed strips, clamp molds, discharge gas and form.

A method of manufacturing a bumper for impact absorption and a bumper for the impact absorption manufactured from the same are provided. The method includes: filling solid salts in a mold, injecting a molten metal into the mold, and solidifying the molten metal with the solid salts to obtain a solidified product, spraying water onto the solidified product to dissolve the solid salts, which results in obtaining a porous metal having pores, disposing the porous metal in an injection mold, and injecting-inserting a resin composite into the injection mold to surround the porous metal while filling at least a part of the pores in the porous metal.

A porous plate member is positioned in one mold using a movable pin in a state in which a leading end portion including an oblique face portion provided in the one mold is projecting out toward another mold. The one mold and the other mold are clamped together to press the porous plate member, and the movable pin is pressed and retracted by the other mold. A synthetic resin material is injected into the cavity, and the flow thereof is applied to the leading end portion (42) of the movable pin to further retract the movable pin, and the synthetic resin material is cured in a state in which the synthetic resin material has entered a space in which the movable pin has been retracted, thereby manufacturing a composite member.