氩弧熔覆Al1.5CrFeCoCuxNi高熵合金涂层的组织与性能
Structure and Properties of Argon Arc Cladding Al1.5CrFeCoCuxNi High Entropy Alloy Coating
摘 要
采用氩弧熔覆技术在45钢表面制备Al1.5CrFeCoCuxNi （x=0，0.2，0.4，0.6，物质的量比）高熵合金涂层，研究了涂层的组织和性能。结果表明：添加铜元素的Al1.5CrFeCoCuxNi高熵合金涂层的物相均主要由体心立方相和面心立方相构成；随着铜含量增加，涂层中面心立方相含量增加，并从晶界分布转变为晶内颗粒状分布；随着铜含量增加，涂层的显微硬度降低，磨损量先减小后增大，磨损机制由磨粒磨损转变为磨粒磨损+轻微黏着磨损；Al1.5CrFeCoCu0.2Ni高熵合金涂层的显微硬度较高，摩擦因数较低，磨损量最小，耐磨性能最好。
氩弧熔覆
组织
耐磨性能
AlCrFeCoCuNi high entropy alloy coating
argon arc cladding
structure
wear resistance
Abstract
Al1.5CrFeCoCu<i>xNi (x=0, 0.2, 0.4, 0.6, molar ratio) high entropy alloy coatings were prepared on the surface of 45 steel by argon arc cladding. The microstructure and properties of the coatings were studied. The results show that the Al1.5CrFeCoCu<i>xNi high entropy alloy coating with copper addition mainly consisted of body-centered cubic phase and face-centered cubic phase. With the increase of the copper content, the content of face-centered cubic phase in the coating increased, and the face-centered cubic phase changed from grain boundary distribution to intergranular particle distribution. With the increase of the copper content, the microhardness of the coating decreased, and the amount of wear decreased first and then increased, and the wear mechanism changed from abrasive wear to abrasive wear+mild adhesive wear. The Al1.5CrFeCoCu0.2Ni high entropy alloy coating had high microhardness, low friction coefficient, the minimum wear amount and the best wear resistance.
中图分类号 TG174.44 DOI 10.11973/jxgccl202309013
所属栏目 专题报道（金属材料表面处理）
基金项目 山东省自然科学基金资助项目（ZR2019MEE107）；山东省大学生创新创业训练计划项目（S202211510011）
收稿日期 2022/12/25
修改稿日期 2023/7/31
网络出版日期
作者单位点击查看
备注陈至涵(2001-),男,四川德阳人,学士
引用该论文: CHEN Zhihan,MENG Junsheng,DING Hao,CHEN Mingxuan. Structure and Properties of Argon Arc Cladding Al1.5CrFeCoCuxNi High Entropy Alloy Coating[J]. Materials for mechancial engineering, 2023, 47(9): 76～81
陈至涵,孟君晟,丁皓,陈明宣. 氩弧熔覆Al1.5CrFeCoCuxNi高熵合金涂层的组织与性能[J]. 机械工程材料, 2023, 47(9): 76～81
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【2】XIE Y J, WEN X, HUANG B S, et al.Microstructure, hardness and corrosion properties of AlCoCrFeNi2.1YHf high-entropy alloy coating prepared by plasma cladding[J].Materials Letters, 2023, 330:133356.
【3】YEH J W, CHEN S K, LIN S J, et al.Nanostructured high-entropy alloys with multiple principal elements:Novel alloy design concepts and outcomes[J].Advanced Engineering Materials, 2004, 6(5):299-303.
【4】梁栋, 周文博, 龚学磊, 等.高熵合金的概念及其特点[J].中国金属通报, 2019(4):223-224. LIANG D, ZHOU W B, GONG X L, et al.Concept and characteristics of high entropy alloy[J].China Metal Bulletin, 2019(4):223-224.
【5】YEH J W.Alloy design strategies and future trends in high-entropy alloys[J].JOM, 2013, 65(12):1759-1771.
【6】ZHANG Y, ZHOU Y J, LIN J P, et al.Solid-solution phase formation rules for multi-component alloys[J].Advanced Engineering Materials, 2008, 10(6):534-538.
【7】GUAN H T, CHAI L J, WANG Y Y, et al.Microstructure and hardness of NbTiZr and NbTaTiZr refractory medium-entropy alloy coatings on Zr alloy by laser cladding[J].Applied Surface Science, 2021, 549:149338.
【8】XIANG K, CHAI L J, WANG Y Y, et al.Microstructural characteristics and hardness of CoNiTi medium-entropy alloy coating on pure Ti substrate prepared by pulsed laser cladding[J].Journal of Alloys and Compounds, 2020, 849:156704.
【9】ZHU L D, XUE P S, LAN Q, et al.Recent research and development status of laser cladding:A review[J].Optics & Laser Technology, 2021, 138:106915.
【10】AHMAD SIDDIQUI A, DUBEY A K.Recent trends in laser cladding and surface alloying[J].Optics & Laser Technology, 2021, 134:106619.
【11】WANG J Y, ZHANG B S, YU Y Q, et al.Study of high temperature friction and wear performance of (CoCrFeMnNi)85Ti15 high-entropy alloy coating prepared by plasma cladding[J].Surface and Coatings Technology, 2020, 384:125337.
【12】YE F X, JIAO Z P, YAN S A, et al.Microbeam plasma arc remanufacturing:Effects of Al on microstructure, wear resistance, corrosion resistance and high temperature oxidation resistance of Al<i>xCoCrFeMnNi high-entropy alloy cladding layer[J].Vacuum, 2020, 174:109178.
【13】刘卫东, 米国发, 李雷.合金成分对激光熔覆高熵合金涂层影响的研究进展[J].特种铸造及有色合金, 2022, 42(7):847-855. LIU W D, MI G F, LI L.Research progress on the effect of alloy composition on laser cladding high entropy alloy coating[J].Special Casting & Nonferrous Alloys, 2022, 42(7):847-855.
【14】时海芳, 李强, 刘忆.Si含量对氩弧熔覆AlCuFeNiCoSi<i>x高熵合金涂层组织及性能的影响[J].材料保护, 2022, 55(5):18-22. SHI H F, LI Q, LIU Y.Effect of Si content on structure and properties of AlCuFeNiCoSi<i>x high-entropy alloy coating prepared by argon arc cladding[J].Materials Protection, 2022, 55(5):18-22.
【15】时海芳, 王红蕾, 李强, 等.B4C对氩弧熔覆AlCuFeNiCo高熵合金涂层组织及性能的影响[J].材料保护, 2021, 54(11):27-30. SHI H F, WANG H L, LI Q, et al.Effects of B4C on the microstructure and properties of AlCuFeNiCo high-entropy alloy coatings prepared by argon arc cladding[J].Materials Protection, 2021, 54(11):27-30.
【16】霍文燚, 时海芳.熔覆电流对氩弧熔覆FeCrNiCoMn高熵合金涂层组织及显微硬度的影响[J].金属热处理, 2014, 39(9):45-47. HUO W Y, SHI H F.Effects of cladding current on microstructure and microhardness of FeCrNiCoMn high-entropy alloy coating by argon arc cladding[J].Heat Treatment of Metals, 2014, 39(9):45-47.
【17】霍文燚, 时海芳, 张竞元.熔覆电流对AlCrFeCoNiCu高熵合金涂层显微组织的影响[J].金属热处理, 2014, 39(8):24-27. HUO W Y, SHI H F, ZHANG J Y.Effect of cladding current on microstructure of AlCrFeCoNiCu high-entropy alloy coating by argon arc cladding[J].Heat Treatment of Metals, 2014, 39(8):24-27.
【18】HUO W Y, SHI H F, REN X, et al.Microstructure and wear behavior of CoCrFeMnNbNi high-entropy alloy coating by TIG cladding[J].Advances in Materials Science and Engineering, 2015, 2015:1-5.
【19】JIANG L, WU W, CAO Z Q, et al.Microstructure evolution and wear behavior of the laser cladded CoFeNi2V0.5Nb0.75 and CoFeNi2V0.5Nb high-entropy alloy coatings[J].Journal of Thermal Spray Technology, 2016, 25(4):806-814.
【20】LI Y Z, SHI Y, OLUGBADE E.Microstructure, mechanical, and corrosion resistance properties of Al0.8CrFeCoNiCux high-entropy alloy coatings on aluminum by laser cladding[J].Materials Research Express, 2020, 7(2):026504.
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