Honda Motor Co., Ltd.

Sanyo Special Steel Co., Ltd.

Nobuki Matsuo

Toshiyuki Sawada

Akihiko Yanagitani

Tomoki Okita

Yoshitaka Tsuji

Shingo Fukumoto

Yoshitaka Tsujii

Shogo Matsuki

Makoto Asami

Takashi Tsuyumu

Koji Shinya

Kojiro Akao

Tsunamasa Shioya

Munemasa Taketani

Toshiyuki Sanyo Special Steel Co Ltd Sawada

A sand mold shaping material contains an aggregate comprising inorganic particles, and microcapsules enclosing a binder which causes the aggregate to bind. The binder is a liquid binder that is in a liquid phase at room temperature, and is enclosed in an outer shell comprising a resin that forms the microcapsule. The sand mold shaping material is in a dry state when used to fill a molding die for shaping.

Sand mold shaping material, and method for shaping sand mold using same

There are disclosed a laser clad valve seat raw-material powder superior in productivity, cladding property, wear resistance and finishing property, and a laser clad valve seat using the same superior in wear resistance. The row-material powder comprises a powder mixture comprising: 80 to 99% by weight of a Cu-based alloy powder comprising 0.5 to 5% by weight of B, 0 to 20% by weight of Ni, 0 to 10% by weight of Fe plus Co, 0 to 5% by weight of Si, 0 to 3% by weight of Al, and the balance Cu and unavoidable impurities; and 1-20% by weight of an Fe or Co based alloy powder having a Vickers hardness of 500 HV or higher and an average particle diameter of 50 to 200 &#x3bc;m of and comprising 5 to 40% by weight of Mo, 0 to 25% by weight of Cr, 0 to 5% by weight of Si, and the balance Fe or Co and unavoidable impurities.

Raw material powder for laser clad valve seat and valve seat using the same

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Tochigi-ken, Japan

Nobuki Matsuo