专利名称：MARAGING STEEL ARTICLE AND METHOD
OF MANUFACTURE
发明人：Joseph F. MUHA,Andrzej L.
WOJCIESZYNSKI,Brian J. MCTIERNAN
申请号：US13403368申请日：20120223
公开号：US20120230859A1公开日：20120913
摘要：A fully dense, powder-metallurgy produced maraging steel alloy article ofprealloyed powder for use as a tool for high temperature applications. The article in theas-produced condition having a hardness less than 40 HRC to provide machinability andthereafter the article upon maraging heat treatment having a hardness greater than 45HRC. A method for producing this article comprises compacting prealloyed powder toproduce a fully dense article having a hardness less than 40 HRC and thereafter maragingheat treating to a hardness greater than 45 HRC.
申请人：Joseph F. MUHA,Andrzej L. WOJCIESZYNSKI,Brian J. MCTIERNAN
地址：Pittsburgh PA US,Pittsburgh PA US,Sewickley PA US
国籍：US,US,US
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