粉体および粉末冶金
Online ISSN : 1880-9014
Print ISSN : 0532-8799
ISSN-L : 0532-8799
金属粉末の側圧係数について
沖本 邦郎佐藤 富雄山川 俊夫
著者情報
ジャーナル オープンアクセス

1975 年 22 巻 7 号 p. 205-212

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抄録
Effect of some conditions on the coefficient of lateral pressure was experimentally investigated by using the various metal powders. These conditions were a powder's kind, particle shape, particle size distribution, manufacturing process of powders and particle surface state. Range of compacting pressure was from zero to 60 kg/mm2. Powders used were thirteen kinds, that was, lead, tin, zinc, aluminium, copper, iron, bronze, titanium, nickel, cobalt, chrome, manganese and tungsten. The coefficient of lateral pressure was showed in relation to green density.
It was found that the coefficient of lateral pressure of soft metal powders was larger than that of hard metal powders. In the case of same kind's powders, the effect of particle shape on the coefficient of lateral pressure was recognized, and the coefficient of lateral pressure of spherical powders was smaller than that of irregular powders.
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© 社団法人粉体粉末冶金協会

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