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Alloyed steel powder for powder metallurgy and iron-based mixed powder for powder metallurgy

机译：粉末冶金粉末冶金和铁基混合粉的合金钢粉

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摘要

Disclosed is an alloyed steel powder for powder metallurgy from which sintered parts that do not contain expensive Ni, or Cr or Mn susceptible to oxidation, that have excellent compressibility, and that have high strength in an as-sintered state can be obtained. The alloyed steel powder for powder metallurgy has: a chemical composition containing Mo: 0.5 mass % to 2.0 mass % and Cu: 1.0 mass % to 8.0 mass %, with the balance being Fe and inevitable impurities; and a microstructure in which an FCC phase is present at a volume fraction of 0.5% to 10.0%.

机译：公开了一种用于粉末冶金的合金钢粉，其烧结部分，不含昂贵的Ni的烧结部分，或易受氧化的Cr或Mn，其具有优异的可压缩性，并且可以在烧结状态下具有高强度的烧结。用于粉末冶金的合金钢粉具有：含有Mo：0.5质量％至2.0质量％的化学成分，Cu：1.0质量％至8.0质量％，平衡为Fe和不可避免的杂质; 和一种微观结构，其中FCC阶段以0.5％至10.0％的体积分数存在。

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公开/公告号US11236411B2

专利类型
公开/公告日2022-02-01

原文格式PDF
申请/专利权人 JFE STEEL CORPORATION;
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申请/专利号US201916979170
发明设计人 NAO NASU;TAKUYA TAKASHITA;AKIO KOBAYASHI;
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申请日2019-03-22
分类号C22C33/02;C22C38/12;B22F3/10;C22C38/16;B22F1;
国家 US
入库时间 2022-08-24 23:35:24

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