氩弧熔覆TiCrCuFeNi高熵合金涂层的组织与性能
Microstructure and Properties of TiCrCuFeNi High-Entropy Alloy Coating Prepared by Argon Arc Cladding
摘 要
采用氩弧熔覆工艺在Q235钢基体上制备了TiCrCuFeNi高熵合金涂层, 采用SEM、EDS、XRD等对该涂层的组织进行了分析, 并对其硬度、耐磨性、耐蚀性进行研究。结果表明: 高熵合金涂层主要由FCC固溶体、BCC固溶体及Laves相组成; 涂层表面显微硬度可达754.5 HV; 涂层的耐磨性较好, 优于熔覆钴基合金涂层的, 干磨时主要磨损机理为磨粒磨损和粘着磨损; 涂层在3.5%NaCl溶液中的耐蚀性比06Cr19Ni10不锈钢的优异。
高熵合金涂层
组织
耐磨性
耐蚀性
argon arc cladding
high-entropy alloy coating
microstructure
wear resistance
corrosion resistance
Abstract
TiCrCuFeNi high-entropy alloy (HEA) coating had been cladded on Q235 steel substrate by means of argon arc cladding. The microstructure was investigated by SEM, EDS, XRD, then the hardness, wear resistance and corrosion resistance were also studied. The results show that the TiCrCuFeNi HEA coating consisted of FCC solid solution, BCC solid solution and the Laves phases. The microhardness of the coating was 754.5 HV. The HEA coating had good wear resistance better than the Co-based cladding coating. The dominant wear mechanism of the coating in dry wear was abrasive wear and adhesive wear. And the corrosion resistance of HEA coating was better than that of 06Cr19Ni10 stainless steel in 3.5% NaCl solution.
中图分类号 TG174.4
所属栏目 材料性能及其应用
基金项目 辽宁工程技术大学研究生教育创新计划科研立项项目(5A2014011)
收稿日期 2014/5/13
修改稿日期 2014/6/25
网络出版日期
作者单位点击查看
备注霍文燚(1990-), 男, 辽宁鞍山人, 硕士研究生。
引用该论文: HUO Wen-yi,SHI Hai-fang,ZHANG Jing-yuan. Microstructure and Properties of TiCrCuFeNi High-Entropy Alloy Coating Prepared by Argon Arc Cladding[J]. Materials for mechancial engineering, 2014, 38(8): 61～64
霍文燚,时海芳,张竞元. 氩弧熔覆TiCrCuFeNi高熵合金涂层的组织与性能[J]. 机械工程材料, 2014, 38(8): 61～64
被引情况:
【1】韩素珍,张建峰,洪 晟,李改叶,吴玉萍, "箔片动压气体轴承系统中箔片表面涂层材料的测试表征",理化检验－物理分册 52, 227-230(2016)
【2】刘灯宪,彭 琼,吴 波,杨上金,赵春凤,钭舒适,陈祖华, "AlCoCrFe1.5Ni高熵合金的显微组织与性能",机械工程材料 40, 55-59(2016)
【3】周泽华,丁 莹,王泽华,易 于,江少群, "反应等离子熔覆原位合成WC增强铁基合金涂层的工艺优化",机械工程材料 40, 24-29(2016)
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【13】邱星武,张云鹏.粉末冶金法制备CrFeNiCuMoCo高熵合金的组织与性能［J］.粉末冶金材料科学与工程,2012,17(3): 377-382.
【14】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): 2117-2829.
【15】陈敏,刘源,李言祥,等.多主元高熵合金AlTiFeNiCuCrx微观结构和力学性能［J］.金属学报,2007,43(10): 1020-1024.
【16】屠海令,干勇.金属材料理化测试全书［M］.北京: 化学工业出版社,2007: 471-472.
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