Kabushiki Kaisha Toshiba

Toshiba Materials Co., Ltd.

Nobuyoshi Jimbo

Takao Kusaka

Tomohisa Arai

Takashi Rokutanda

There are provided a high hardness, high corrosion resistance and high wear resistance alloy, wherein the alloy is an aging heat treated Cr(chromium)-Al(aluminum)-Ni(nickel)-base alloy, the proportion of a mixed phase of (&#x3b1; phase+&#x3b3;' phase+&#x3b3; phase) precipitated at grain boundaries of &#x3b3; phase grains in a metal structure in the cross section of the alloy is not less than 95% in terms of area ratio, and the intensity ratio as measured by X-ray diffractometry of the alloy is not less than 50% and not more than 200% in terms of I&#x3b1;(110)/[I&#x3b3;(200)+I&#x3b3;&#x2032;(004)]&#xd7;100, and a component comprising this alloy, a material for an alloy which can form this alloy, and a process for producing this alloy. The present invention can provide a Cr&#x2014;Al&#x2014;Ni-base alloy possessing excellent corrosion resistance, hardness, wear resistance, releasability, fatigue strength, and planishing property in a molding face, a component comprising this alloy, a material for an alloy which can form this alloy, and a process for producing this alloy.

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Odawara, Japan

Nobuyoshi Jimbo