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采用激光熔覆工艺在45钢表面对Fe60 Nb20 Ti20非晶合金粉末进行不同工艺参数熔覆试验,获得无裂纹且呈冶金结合的涂层.利用扫描电镜、X射线衍射仪、显微硬度计、摩擦磨损试验机对涂层的微观形貌、组成相、显微硬度和摩擦磨损性能进行分析.结果表明,涂层组织为细小的α-Fe过饱和固溶体等轴晶和少量的非晶相.涂层平均硬度为857HV,为基体材料的4倍,耐磨性也明显优于基体材料.

参考文献

[1] Weng F;Chen C Z;Yu H J .Research status of laser cladding on titanium and its alloys:A review[J].Materials and Design,2014,58:412.
[2] Aghasibeig, M.;Fredriksson, H..Laser cladding of a featureless iron-based alloy[J].Surface & Coatings Technology,2012:32-37.
[3] Morrow WR;Qi H;Kim I et al.Environmental aspects of laser-based and conventional tool and die manufacturing[J].J Cleaner Prod,2007,15:932.
[4] 李胜,胡乾午,曾晓雁.激光熔覆专用铁基合金粉末的研究进展[J].激光技术,2004(06):591-594.
[5] Nagarathnam K;Komvopoulos K .Microstructural and microhardness characteristics of laser-synthesized Fe-Cr-W-C coating[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1995,26(8):2131.
[6] Zhang Q M;He J J;Liu W J.Microstructures and properties of (2.4%Zr+1.2%Ti+15%WC)/FeCSiB lasers produced[A].Shanghai:The International Society for Optical Engineering,2002:253.
[7] S.F. Guo;L. Liu;N. Li .Fe-based bulk metallic glass matrix composite with large plasticity[J].Scripta materialia,2010(6):329-332.
[8] Wang Y F;Lu Q L;Xiao L J et al.Laser cladding Fe-Cr-Si-P amorphous coating on 304L stainless[J].Rare Metal Mater Eng,2014,43(2):274.
[9] 吴健.影响激光熔覆层品质的主要因素分析[J].机械制造与自动化,2004(04):52-56.
[10] 江慧丰,张青川,陈学东,范志超,陈忠家,伍小平.位错与溶质原子间动态相互作用的数值模拟研究[J].物理学报,2007(06):3388-3392.
[11] 张娈,董闯,王存山,王清.45钢表面激光熔覆Fe-B-Si铁基非晶复合材料[J].材料热处理学报,2012(10):116-123.
[12] Takeuchi A;Inoue A .Classification of bulk metallic glasses by atomic size difference,heat of mixing and period of constituent elements and its application to characterization of the main alloying element[J].MATERIALS TRANSACTIONS,2005,46(12):2817.
[13] 汪志城;范德恩 .滑动摩擦系数的物理意义剖析[J].上海机械学院学报,1988,10(1):65.
[14] 郭绍义,李兴俊,杨秋合,杨金林,孟凡英.激光熔覆WC-Ni/TiC涂层的组织和摩擦磨损性能研究[J].材料工程,2008(06):72-75.
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