马飞,潘邻,张良界,李朋,朱云峰,杨闽红

• 1:武汉材料保护研究所

摘要(Abstract)：

采用自主研发的低温气体渗碳技术对AISI316奥氏体不锈钢进行处理,目的是增强耐磨性且不损害其耐蚀性。对低温气体渗碳层显微组织、硬度梯度、耐蚀性和耐磨性进行分析。结果表明:低温气体渗碳层硬度梯度变化与其组织和碳浓度有一定关系,随渗碳层深度的不同表现出不同的组织和性能。低温气体渗碳处理前后AISI316奥氏体不锈钢的磨损机制由粘着磨损转变成磨粒磨损,S相是提高耐磨性的主要因素,470℃时表现出较好的耐磨性,其耐蚀性基本保持不变。

关键词(KeyWords)： 低温气体渗碳;AISI316奥氏体不锈钢;耐蚀;耐磨;S相

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50975210);; 科技部科研院所的技术开发基金项目

作者(Author): 马飞,潘邻,张良界,李朋,朱云峰,杨闽红

DOI: 10.13289/j.issn.1009-6264.2015.06.042

参考文献(References)：

• [1]Sedriks A J.ASM Handbook[M].Cleveland:ASM International,2003.
• [2]ZHANG Z L,Bell T.Structure and corrosion resistance of plasma nitriding stainless steel[J].Surface Engineering,1985,1(2):131-136.
• [3]SUN Y.Kinetic of low temperature plasma carburizing of austenitic stainless steels[J].Journal of Materials Processing Technology,2005,168(2):189-194.
• [4]云红.不锈钢气体氮化的难点及其解决方法[J].机械研究与应用,2003,16(增刊):65-67.YUN Hong.Difficulties and solutions of stainless steel gas nitride[J].Mechanical Research&Application,2003,16(S):65-67.
• [5]魏莉,魏晓伟.奥氏体不锈钢离子氮化与软氮化的比较[J].西华大学学报,2008,27(5):82-84.WEI Li,WEI Xiao-wei.Comparison of ion nitriding of austenitic stainless steel with soft nitriding[J].Journal of Xihua University,2008,27(5):82-84.
• [6]王均,熊计,彭倩,等.17-4PH不锈钢盐浴复合氮化处理研究[J].核动力工程,2009,30(3):66-71.WANG Jun,XIONG Ji,PENG Qian,et al.Study on 17-4 PH stainless steel composite salt bath nitriding treatment[J].Nuclear Power Emgineering,2009,30(3):66-71.
• [7]Michal G M,Ernst F,Kahn H,et al.Carbon supersaturation due to paraequilibrium carburization:Stainless steels with greatly improved mechanical properties[J].Acta Materialia,2006,54(6):1597-1606.
• [8]CAO Y,Ernst F,Michal G M.Colossal carbon supersaturation in austenitic stainless steels carburized at low temperature[J].Acta Materialia,2003,51(14):4171-4181.
• [9]Natishan P M,Martin F J,Lemieux E J,et al.Carbon Surface Modification for Enhanced Corrosion Resistance[J].Materials Science and Technology,2008,171-172.
• [10]Keiro Tokaji,Kei Kohyama,Masayuki Akita.Fatigue behavior and fracture mechanism of a 316 stainless steel hardened by carburizing[J].International Journal of Fatigue,2004,26(5):543-551.
• [11]Buhagiar J.25 years of S-phase[J].Surface Engineering,2010,26(4):229-232.
• [12]Agarwal N,Kahn H,Avishai A,et al.Enhanced fatigue resistance in 316L austenitic stainless steel due to low-temperature paraequilibrium carburization[J].Acta Materialia,2007,55(16):5572-5580.
• [13]马飞,潘邻,张良界,等.316奥氏体不锈钢低温渗碳层摩擦学性能[J].材料热处理学报,2014,35(1):181-185.MA Fei,PAN Lin,ZHANG Liang-jie,et al.Tribological properties of low-temperature gas carburized layer on 316 austenitic stainless steel[J].Transactions of Materials and Heat Treatment,2014,35(1):181-185.
• [14]Michal G M,Ernst F,Heuer A H.Carbon paraequilibrium in austenitic stainless steel[J].Metallurgical and Material Transactions A,2006,37(6):1819-1824.
• [15]胡赓祥,蔡珣,戎咏华编著.材料科学基础(第3版)[M].上海:上海交通大学出版社,2010:136-151.

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