时效对FeMnSiCrNiTiC合金耐磨性和耐蚀性的影响
Effect of Aging on Wear and Corrosion Resistance of FeMnSiCrNiTiC Alloy
摘 要
研究了直接时效和形变时效对Fe14.51Mn6.02Si9.10Cr5.06Ni1.49Ti0.16C合金第二相析出行为、耐磨性和耐蚀性的影响。结果表明: 该合金在固溶态的耐磨性能高于1Cr18Ni9Ti不锈钢的; 直接时效和形变时效能提高合金的耐磨性, 后者的效果更好, 特别是在大载荷下; 与直接时效相比, 形变时效后在基体中除析出σ相外还析出了大量的Cr23C6相,因而形变时效降低了合金在NaCl溶液中的耐蚀性, 但对在NaOH溶液中的耐蚀性影响不大; 直接时效对该合金耐蚀性的降低不显著。
耐磨性
耐蚀性
FeMnSiCrNiTiC alloy
wear resistance
corrosion resistance
Abstract
The effects of direct-aging and strain-aging on the precipitation behavior of second-phase, wear resistance and corrosion resistance were studied in a Fe14.51Mn6.02Si9.10Cr5.06Ni1.49Ti0.16C alloy. The results show that the wear resistance of solid-solution treated alloys was better than that of 1Cr18Ni9Ti stainless steel. The wear resistance of alloy could be improved by direct-aging and strain-aging, the latter was better, especially under the condition of heavy load. Compared with direct-aging, a lot of Cr23C6 phase precipitated in matrix besides σ phase after strain-aging, so corrosion resistance of the alloy became worse in NaCl solution after strain-aging, but unchanged in NaOH solution, and the direct-aging didn′t decreased corrosion resistance of the alloy obviously.
中图分类号 TG139.6
所属栏目
基金项目 国家自然科学基金资助项目(50871072, 50971095); 四川省青年基金资助项目(2010A01-436)
收稿日期 2010/11/2
修改稿日期 2011/8/8
网络出版日期
作者单位点击查看
备注卜登学(1989-), 男, 甘肃定西人, 硕士研究生。
引用该论文: BU Deng-xue,WANG Chao-ping,PENG Hua-bei,WEN Yu-hua,LI Ning. Effect of Aging on Wear and Corrosion Resistance of FeMnSiCrNiTiC Alloy[J]. Materials for mechancial engineering, 2011, 35(12): 10～14
卜登学,王朝平,彭华备,文玉华,李宁. 时效对FeMnSiCrNiTiC合金耐磨性和耐蚀性的影响[J]. 机械工程材料, 2011, 35(12): 10～14
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【8】孙广平, 李建忱, 赵明,等. FeMnSiCrNi形状记忆合金研究[J].材料工程,1997(12):18-21.
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【11】赖志伟, 吴俊良, 文玉华,等. 新型奥氏体不锈钢的耐磨性研究[J].摩擦学学报,2009,29(2):128-133.
【12】文玉华, 张伟, 李宁,等. 控制第二相方向性析出对铁基合金记忆效应的影响[J].金属学报,2006,42(11):1217-1220.
【13】WEN Y H, ZHANG W, LI N,et al. Principle and realization of improving shape memory effect in Fe-Mn-Si-Cr-Ni alloy through aligned precipitations of second-phase particles[J].Acta Materialia,2007,55(19):6526-6534.
【14】HSU K L, AHN T M, RIGNEY D A. Friction, wear and microstructure of unlubricated austenitic stainless steels[J].Wear,1979,60:13-37.
【15】SUUTALA N, TAKALO T, MOISIO T. Relationship between solidification and microstructure in austenitic and austenitic-ferrite stainless steel welds[J].Metallurgical Transactions A,1979,10(4):512-514.
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【18】FOLKHARD E. Welding metallurgy of stainless steel[M].Wien: Springer-Verlag,1988.
【19】黄幸, 万见峰, 陈世朴,等. FeMnSi基形状记忆合金在水溶液中的电化学腐蚀[J].上海交通大学学报,2002,36(1):21-23.
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