宋志刚,徐长征,蒲恩祥,苗亚洲,马天军,丰涵,郑文杰.高Mo超级奥氏体不锈钢和Ni-Cr-Mo镍基合金析出相研究及对比[J].稀有金属材料与工程,2018,47(3):895~903.[Song Zhigang,Xu Changzheng,Pu Enxiang,Miao Yanzhou,Ma Tianjun,Feng Han,Zheng Wenjie.Research and Comparasion on Precipitated Phases of High Mo Super Austenitic Stainless Steel and Ni-Cr-Mo Nickel-base Alloy[J].Rare Metal Materials and Engineering,2018,47(3):895~903.]
高Mo超级奥氏体不锈钢和Ni-Cr-Mo镍基合金析出相研究及对比
投稿时间:2017-09-10  修订日期:2017-12-14
中文关键词:  高Mo超级奥氏体不锈钢  Ni-Cr-Mo镍基合金  析出相
基金项目:
中文摘要:
      选择典型牌号654SMO和C-276,对高Mo超级奥氏体不锈钢和Ni-Cr-Mo镍基合金的析出相进行研究,对不同时效条件下654SMO和C-276进行组织观察、EDS及相分析,结果表明,虽然654SMO和C-276均含有较高的Cr、Mo含量,但由于其合金体系不同,其析出相种类形态各异,主要研究结果有:(1)654SMO有8种第二相析出,分别为:σ相、Cr2N、μ相、χ相、Laves相、M23C6、M6C和M3C;(2)654SMO钢的主要有害析出相为σ相、Cr2N,其析出相的析出峰值温度为900℃;(3) C-276合金的主要析出相是M6C与μ相,在本文时效条件下,并未出现σ相析出。
Research and Comparasion on Precipitated Phases of High Mo Super Austenitic Stainless Steel and Ni-Cr-Mo Nickel-base Alloy
英文关键词:High Mo super austenitic stainless steel  Ni - Cr - Mo nickel-based alloy  Precipitated phase
英文摘要:
      Typical grade 654SMo and C-276 were selected to investigate the precipitated phases of high Mo super austenictic stainless steel and Ni-Cr-Mo Nickel-base alloy. Microstructure observation, EDS and phase analysis was taken for 654SMo and C-276 samples at different aging conditions.The results showed that the types and morphology of the precipitated phase in 654SMo and C-276 were different due to their different alloy system athough they both contained high content of Cr, Mo element. About eight kinds of second phases were precipitated in 654SMo, which included σ phase,Cr2N,μ phase,χphase,Laves phase,M23C6,M6C and M3C. σ phase and Cr2N were the main harmful phases of 654SMo and the peak precipitating temperature is 900℃. For C-276 alloy, M6C and μ phase were the main precipitated phases and σ phase wasn’t found under the aging condition of this aticle.
作者单位E-mail
宋志刚 钢铁研究总院 songzhigang@nercast.com 
徐长征 宝钢特钢有限公司  
蒲恩祥 清华大学  
苗亚洲 钢铁研究总院  
马天军 宝钢特钢有限公司  
丰涵 钢铁研究总院  
郑文杰 钢铁研究总院  
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