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Tempering Stability of Fe-Base Hardfacing Layer Containing RE and Multiple Alloying

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【Author】 Liu Jianhua*, Chen Hua, Yang Qingxiang, Zeng Xianwen, Hu Weitao, Zhao Hongli (Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China)

【机构】 Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao 066004 China； Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao 066004 China；

【Abstract】 After tempering treatment at different conditions, the tempering stability of Fe-base hardfacing layer containing RE and multiple alloying was investigated. The results show that after heat preservation at 560 ℃ and tempering for 4 h the hardness value of Fe-base hardfacing layer containing RE and multiple alloying can reach HRC57; By repeatedly heating circle 700 ℃17 ℃ for 150 times, the hardness value of Fe-base hardfacing layer can reach HRC43, tempering stability is higher and causes the secondary hardening phenomenon. Reasons for higher tempering stability of Fe-base hardfacing layer were analyzed by means of metallographic, XRD, TEM and EDS.更多还原

【关键词】 Fe-base hardfacing layer； tempering stability； multiple alloying； rare earths；
【Key words】 Fe-base hardfacing layer； tempering stability； multiple alloying； rare earths；

【文献出处】 Journal of Rare Earths ,稀土学报(英文版) , 编辑部邮箱 ,2005年S1期

【分类号】TG139
【被引频次】7
【下载频次】33

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