粉体および粉末冶金
Online ISSN : 1880-9014
Print ISSN : 0532-8799
ISSN-L : 0532-8799
高クロム鋳鉄粉をプレミックスした新ロール材の開発
(その1)炭化物のサイズ,量,分布等の調整
納富 完至古田 誠矢河合 伸泰
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1983 年 30 巻 4 号 p. 156-161

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Our results show that by changing the size and the content of high chromium iron powder, carbides in roll steel can be easily controlled. It is well known that carbides as well as matrix play an important role in roll steel: A new P/M process, called "The Pre-mix Process", developed by KOBE STEEL, LTD., provides an easy way to control the properties of carbides such as size, content and morphology. In "The Pre-mix Process", high chromium iron powder is mixed with roll iron powder and then HIP'ed to a full density. During HIP'ing, high chromium iron powder changes into massive carbides whose size is almost the same as that of powder particles.

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© 社団法人粉体粉末冶金協会
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