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bing wan xi re shi ke kong qi fen zai zhou cheng ling jian re chu li shang de chu bu ying yong
Pages: 28-31
Year: Issue:  1
Journal: Heat Treatment of Metals

Keyword:  可控气氛热处理轴承零件发生器保护气氛试生产丙烷减压阀流程图脱碳吸热;
Abstract: <正> 前言轴承零件(套圈、滚动体)为 GCr15钢制件,含碳量在1%左右,含铬量为1.5%。在空气中加热发生氧化和脱碳。我厂自1964年以来采用了木炭保护气氛,虽有一定效果,但未根除零件的氧化和脱碳。为了改变这种落后面貌,厂、校结合设计制造出一台吸热式可控气氛发生器,于1976年7月份进行了热调试和试生产。试生产结果表明,用丙烷为原料的吸热式可控气氛通往大型的开口震底炉中作为保护
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