Mitsubishi Materials Corporation

Jun Katoh

Koji Hoshino

Toshihiko Saiwai

Koichi Kita

Ji-bin Yang

A high quality porous aluminum body, which has excellent joint strength between the porous aluminum body and the aluminum bulk body, and a method of producing the porous aluminum complex, are provided. The porous aluminum complex () includes: a porous aluminum body () made of aluminum or aluminum alloy; and an aluminum bulk body () made of aluminum or aluminum alloy, the porous aluminum body () and the aluminum bulk body () being joined to each other. The junction () between the porous aluminum body () and the aluminum bulk body () includes a Ti&#x2014;Al compound. It is preferable that pillar-shaped protrusions () projecting toward the outside are formed on outer surfaces of one of or both of the porous aluminum body () and the aluminum bulk body (), and the pillar-shaped protrusions () include the junction ().

Porous aluminum complex and method of producing porous aluminum complex

A high-quality porous aluminum sintered compact, which can be produced efficiently at a low cost; has an excellent dimensional accuracy with a low shrinkage ratio during sintering; and has sufficient strength, and a method of producing the porous aluminum sintered compact are provided. The porous aluminum sintered compact is the porous aluminum sintered compact () that includes aluminum substrates () sintered to each other. The junction (), in which the aluminum substrates () are bonded to each other, includes the Ti&#x2014;Al compound () and the Mg oxide (). It is preferable that the pillar-shaped protrusions projecting toward the outside are formed on outer surfaces of the aluminum substrates (), and the pillar-shaped protrusions include the junction ().

Porous aluminum sintered compact and method of producing porous aluminum sintered compact

A porous copper sintered material () includes: a plurality of copper fibers () sintered each other, wherein the copper fibers () are made of copper or copper alloy, a diameter R of the copper fibers () is in a range of 0.02 mm or more and 1.0 mm or less, and a ratio L/R of a length L of the copper fibers to the diameter R is in a range of 4 or more and 2500 or less (), redox layers () formed by redox treatment are provided on surfaces of copper fibers (), and concavities and convexities are formed by the redox layer (), and each of redox layers () formed on each of the copper fibers () is integrally bonded in a junction of the copper fibers ().

Porous copper sintered material, porous copper composite part, method of producing porous copper sintered material, and method of producing porous copper composite part

A high-quality porous aluminum sintered compact, which can be produced efficiently at a low cost; has an excellent dimensional accuracy with a low shrinkage ratio during sintering; and has sufficient strength, and a method of producing the porous aluminum sintered compact are provided. The porous aluminum sintered compact is the porous aluminum sintered compact that includes aluminum substrates sintered each other. The junction, in which the aluminum substrates are bonded each other, includes the Ti&#x2014;Al compound and the eutectic element compound capable of eutectic reaction with Al. It is preferable that the pillar-shaped protrusions projecting toward the outside are formed on outer surfaces of the aluminum substrates, and the pillar-shaped protrusions include the junction.

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Kitamoto, Japan

Jun Katoh