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STAINLESS-STEEL-SINTERED MEMBER WITH HIGH CORROSION RESISTANCE AND MANUFACTURING METHOD THEREFOR 发明申请

2023-09-27 3580 191K 0

专利信息

申请日期 2025-06-26 申请号 JP2003341527
公开(公告)号 JP2005105368A 公开(公告)日 2005-04-21
公开国别 JP 申请人省市代码 全国
申请人 HITACHI POWDERED METALS
简介 PROBLEM TO BE SOLVED : To provide a stainless-steel-sintered member with high corrosion resistance, which does not contain such a portion having a lowered Cr concentration in the matrix, has improved corrosion resistance, and does not need a complicated manufacturing process and a control process. SOLUTION : This manufacturing method comprises preparing a raw powder containing a 0.1 to 12 mass% rare earth element by mixing a powder of a perovskite type composite oxide consisting of a rare earth element, a transition metal element and oxygen, with a stainless steel powder or a mixed powder of a stainless steel composition; compacting the raw powder into a desired shape; and sintering it. COPYRIGHT : (C)2005, JPO&NCIPI


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