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公开(公告)号：EP3296418B1
公开(公告)日：2019-08-28
申请号：EP17190567.2
申请日：2017-09-12
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2.发明公开
公开(公告)号：EP3296418A1
公开(公告)日：2018-03-21
申请号：EP17190567.2
申请日：2017-09-12
发明人： SHINOHARA, Nobuyuki , KAMO, Yuki , UEDA, Yoshihisa , YONEDA, Takanori , YOSHIDA, Yusaku , SUGIMOTO, Masaru
CPC分类号： C22C38/22 , B22F1/0003 , B22F3/16 , B22F3/24 , B22F2301/35 , B22F2998/10 , C22C33/006 , C22C33/02 , C22C33/0257 , C22C38/20 , F01L3/00 , F01L3/02 , F01L2101/00 , F01L2103/00 , B22F3/02 , B22F3/10 , B22F5/02
摘要： An iron alloy powder consists of, when the entirety thereof is assumed to be 100 mass%, Cr: 2.5 mass% to 3.5 mass%, Mo: 0.4 mass% to 0.6 mass%, and Fe and inevitable impurities as the balance, a mixed powder consisting of 15 mass% to 40 mass% of the iron alloy powder, 1.2 mass% to 1.8 mass% of a copper powder, 0.5 mass% to 1.0 mass% of a graphite powder, and a pure iron powder as the balance when the entire mixed powder is assumed to be 100 mass% is compacted into a compact, and the compact is sintered while transforming a structure derived from the pure iron powder into a structure in which a ferritic structure and a pearlitic structure are mixed and transforming a structure derived from the iron alloy powder into a martensitic structure.
摘要翻译： 当铁合金粉末的总体含量为100质量％时，其余为Cr：2.5质量％〜3.5质量％，Mo：0.4质量％〜0.6质量％，Fe和不可避免的杂质， 在铁合金粉末中含有15质量％〜40质量％的铁合金粉末，1.2质量％〜1.8质量％的铜粉末，0.5质量％〜1.0质量％的石墨粉末和纯铁粉末的粉末 将全部混合粉末设为100质量％，压制成成型体，一边将来自纯铁粉末的组织转变为混合了铁素体组织和珠光体组织的组织，一边转变衍生的结构 从铁合金粉末转变成马氏体结构。
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