| 激光熔覆-活化屏等离子体复合处理层耐磨性能研究 |
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| 引用本文： | 徐滨士,张晓东,董世运,董汉山,王志坚,闫世兴.激光熔覆-活化屏等离子体复合处理层耐磨性能研究[J].材料工程,2010(2). |
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| 作者姓名： | 徐滨士 张晓东 董世运 董汉山 王志坚 闫世兴 |
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| 作者单位： | 装甲兵工程学院,装备再制造技术国防科技重点实验室,北京,100072;装甲兵工程学院,装备再制造技术国防科技重点实验室,北京,100072;哈尔滨工程大学,材料科学与化学工程学院,哈尔滨,150001;英国伯明翰大学,冶金与材料系,伯明翰,B152TT |
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| 基金项目： | 国家自然科学基金中英合作项目(50711130231);;国家自然科学基金重点项目(50735006);;国家973计划资助项目(513270102) |
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| 摘 要： | 为了研究激光熔覆层性能对活化屏等离子体氮化处理层耐磨性能的影响,采用两种铁基合金粉末(Fe90和Fe314)在45钢基体表面进行激光熔覆,然后进行等离子体氮化复合处理,测试涂层干摩擦条件下的磨损性能。研究结果表明:复合处理后,Fe90激光熔覆层的硬度由750HV提高到1350HV,Fe314激光熔覆层的硬度由540HV提高到927HV;在相同载荷(30N)下,Fe90复合处理层的耐磨性提高到1.2倍,而Fe314复合处理的耐磨性降低为原来的42%;复合处理耐磨性能提高的关键在于激光熔覆层与氮化层的合理搭配,熔覆层能够提供足够的支撑。
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| 关 键 词： | 激光熔覆 活化屏等离子体处理 耐磨性 |
Study on Wear Resistance of Duplex Surface Treatment with Laser Cladding and Active Screen Plasma |
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| XU Bin-shi,ZHANG Xiao-dong,DONG Shi-yun,DONG Han-shan,WANG Zhi-jian,YAN Shi-xing.Study on Wear Resistance of Duplex Surface Treatment with Laser Cladding and Active Screen Plasma[J].Journal of Materials Engineering,2010(2). |
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| Authors: | XU Bin-shi ZHANG Xiao-dong DONG Shi-yun DONG Han-shan WANG Zhi-jian YAN Shi-xing |
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| Affiliation: | 1 National Key Laboratory for Remanufacturing;Academy ofArmored Force Engineering;Beijing 100072;China;2 School of MaterialsScience and Chemical Engineering;Harbin Engineering University;Harbin 150001;3 Department of Metallurgy and Materials School of Engineering;University of Bimingham;Bimingham B152TT;UK |
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| Abstract: | In order to study effects of laser cladding layer performance on wear resistance of active screen plasma treating nitride coating,two kinds of Fe-based alloy powders,Fe314 and Fe90,were adopted to laser clad on steel 45 substrate surface.And then the laser clads were duplex-treated by active screen plasma nitriding.Wear tests were carried out for the laser clads and duplex coatings with wear tester under dry sliding condition.Experimental results show that hardness of the Fe90 duplex coating was increased f... |
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| Keywords: | laser cladding active screen plasma treating wear resistance |
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