铁基高铬合金激光熔覆层和堆焊层的组织性能对比
Microstructure and Performance Contrast between Laser Cladding and Overlay Joint Layer of Inol-based High Chromium Alloy
摘 要
对铁基高铬耐磨合金激光熔覆层和堆焊层的表面成形性、显微组织、硬度、磨损性能、磨损形貌等进行了对比分析.结果表明：激光熔覆层比堆焊层的表面成形好,试样变形小,显微组织均匀细小,稀释率小,平均显微硬度高300 HV左右;回火后耐磨性好,相同条件下磨损质量小50%以上.
堆焊
铁基高铬合金
laser cladding
overlay joint
iron-based high chromium alloy
Abstract
The surface molding microstructure,wear resistance and morphology of wear-surface of two sorts of iron-based high chromium wear-resistant alloys,which were made by laser cladding and overlay joint respectively,were analyzed and compared.It is showed that the surface image is smooth,the distortion of samples is small,the microstructure is homogeneous and fine and the dilution rate is smaller by laser cladding than by overlay joint.The micro-hardness of laser cladding is averagely 300 HV higher than that of overlay joint layer.The wear mass loss of tempered laser cladding is 50% less than that of overlay joint layer.
中图分类号 TG144 TG155
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收稿日期 2007/2/10
修改稿日期 2007/6/26
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备注孙宜华(1970-),男,湖北宜昌人,高级工程师,博士研究生.
引用该论文: SUN Yi-hua,LI Cheng-hui,XIONG Wei-hao,SONG Wu-lin,YOU Min. Microstructure and Performance Contrast between Laser Cladding and Overlay Joint Layer of Inol-based High Chromium Alloy[J]. Materials for mechancial engineering, 2008, 32(1): 59～62
孙宜华,李晨辉,熊惟皓,宋武林,游敏. 铁基高铬合金激光熔覆层和堆焊层的组织性能对比[J]. 机械工程材料, 2008, 32(1): 59～62
被引情况:
【1】吕彦,余圣甫,行舒乐,刘雨龙,王乐虎, "钼、镍含量对马氏体不锈钢硬面药芯焊丝堆焊层组织和性能的影响",机械工程材料 37, 29-32(2013)
【2】冯旭东,袁庆龙,曹晶晶,苏志俊, "镍基自熔合金激光熔覆层和喷焊层的组织与性能对比",机械工程材料 34, 73-78(2010)
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参考文献
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【3】韩培德,武晓雷,孙艳明.铁基合金激光熔覆组织及其冲击磨损性能[J].材料科学与工艺,1999,7(2):22-26.
【4】赵海云,武晓雷,陈光南.铁基抗高温磨损激光熔覆涂层强韧设计和研究Ⅱ[J].应用激光,1999,10(19):209-217.
【5】宋武林,朱蓓蒂,黄为,等.真空激光熔覆的研究[J].激光技术,1997,8.21(4):244-245.
【6】马岳,段祝平,杨治星.预置粉末工艺对熔覆层组织和性能的影响[J].表面技术,2000,29(5):12-16.
【7】Yanxiang Li,Jian Ma.Study on overlapping in the laser cladding process[J].Surface and Coatings Technology,1997,90:1-5.
【8】陈俐,许勇静,潘春旭,等.显微组织对高铬堆焊层耐磨性的影响[J].机械工程材料,1997,18(21):28-29.
【9】Wu X L.Microstructural features of an iron-based laser coating[J].J Mater SCI,1999,34(10):3355-3361.
【10】王新林,石世宏,郑启光.核阀密封面激光熔覆稀释控制研究[J].光电子·激光,2003,2(14):187-190.
【11】Run Wu,Chang-sheng Xie,Mulin Hu,et al.Laser-melted surface layer of steel X165CrMoV12-1 and its tempering characteristics[J].Materials Science and Engineering,2000,A278:1-4.
【12】王军,武晓雷,洪友士.铁基合金激光熔覆涂层的高温回火组织及其磨损性能[J].钢铁研究学报,2000,6(12):51-54.
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