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AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsMitsuo Kuwabara, Tadashi Okada, Naoji Yamamoto, Masahito Hasuike, Hideo Yoshikawa, Michiharu Hasegawa, Tetsuaki Aoki, Masanori Kogawa, Kazunori Sakamoto, Keizou Tanoue
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A metal material comprises a Zn—Al—Sn based alloy (ZAS alloy) and Cu diffused in the alloy, wherein Cu is diffused into the inside of the alloy to a depth from the surface of 0.5 mm or more, the concentration of Cu decreases from from the surface of the ZAS alloy towards the inside thereof, and there is present no specific interface between Cu and the ZAS alloy; and a method for producing the metal material involves applying, to the surface of the ZAS alloy, an agent comprising a solvent and, dispersed therein, a material containing Cu such as a Cu powder and a Cu—Mn alloy powder and preferably, dispersed or dissolved therein, a reducing agent capable of reducing an oxide film present on the surface of the ZAS alloy, and heating the ZAS alloy having the agent applied thereon, to thereby diffuse Cu into the alloy.
A metal material comprising a diffusion layer containing a Cu—Zn alloy or a Cu—Mn alloy formed by diffusing at least any one of Cu and Mn in a base material of a Zn alloy,
A metal material comprising a diffusion layer containing a Fe—Cr alloy formed by diffusing Cr in a base material of a Fe alloy, chromium carbonitride being produced on a surface of said base material,
A metal material comprising a diffusion layer containing a Ti—Al alloy, a Ti—Cr alloy, a Ti—Ni alloy or TiN formed by diffusing at least any one of Al, Cr, Ni and N in a base material of a Ti alloy, a nitride of any one of Al, Cr and Ni being produced on a surface of said base material,
A metal material comprising a diffusion layer containing a Cu—Ni alloy formed by diffusing Ni in a base material of a Cu alloy,
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A method of producing a metal material comprising a diffusion layer which is formed by diffusing an element into a base material of a metal and which has a depth from a surface of said base material of not less than 0.5 mm, a concentration of said element being gradually decreased from said surface to inside of said base material, said method comprising:
(canceled)
A method of producing a metal material comprising a diffusion layer which contains an Fe—Cr alloy formed by diffusing Cr into a base material of an Fe alloy and which has a depth from a surface of said base material of not less than 0.5 mm, a concentration of said Cr being gradually decreased from said surface to inside of said base material, said method comprising:
A method of producing a metal material comprising a diffusion layer which contains a Ti—Al alloy, a Ti—Cr alloy, a Ti—Ni alloy or TiN formed by diffusing at least any one of Al, Cr, Ni and N into a base material of a Ti alloy and which has a depth from a surface of said base material of not less than 0.5 mm, a concentration of at least any one of Al, Cr, Ni and N being gradually decreased from said surface to inside of said base material, said method comprising:
A method of producing a metal material comprising a diffusion layer which is formed by diffusing an element into a base material of a metal and which has a depth from a surface of said base material of not less than 0.5 mm, a concentration of said element being gradually decreased from said surface to inside of said base material, said method comprising:
Dependencies are inferred from the claim text.