Effect of SiC addition on microstructure and properties of CoCrFeNi high entropy alloy coating

doi:10.13251/j.issn.0254-6051.2024.06.032

Abstract

Abstract: Coatings of CoCrFeNi high entropy alloy with different SiC additions (0%, 5%, 10% and 15% by mass) were prepared on the surface of 45 steel by using RFL-C1000 fiber laser. The macro morphology, microstructure and wear morphology were analyzed by means of OM,XRD,SEM and EDS, and the microhardness, friction and wear property of the coatings were determined by using microhardness tester and friction-wear tester. The results show that all the coatings with 0%, 5%, 10% and 15%SiC additions are slightly prominent in the first pass, while the thickness of which formed in subsequent passes is relatively flat. The phase structure of 0%SiC coating is single FCC phase, while the 5%SiC coating contains FCC dendrites with interdendritic regions rich in C and Cr. The 10%SiC coating contains FCC matrix and (Cr, Fe)₇C₃, while the 15%SiC coating contains BCC matrix and (Cr, Fe)₇C₃ in the shape of strip or granular. As the addition of SiC increases, the microhardness and friction and wear properties of the high entropy alloy coating gradually increase. When the addition of SiC is 15%, the property of the high entropy alloy coating is optimal, with an average microhardness of 1329.56 HV0.3 and a wear mass loss of only 0.8 mg.

Key words: laser cladding, high entropy alloy, BCC, FCC, microhardness, friction and wear property

CLC Number:

TG174.4

Jiang Tingpu, Sun Ronglu, Niu Wei, Yang Jiawei. Effect of SiC addition on microstructure and properties of CoCrFeNi high entropy alloy coating[J]. Heat Treatment of Metals, 2024, 49(6): 198-205.

References

[1]Vilar R. Laser cladding[J]. Proceedings of SPIE-the International Society for Optical Engineering, 2003, 11(2): 385-392.
[2]Fei Q, Gong S, Suo H, et al. Laser cladding on TC2 titanium component[J]. Rare Metal Materials and Engineering, 2013, 42: 59-63.
[3]Liu H, Liu J, Chen P J. Microstructure and properties of AlCoCrFeNiTi high-entropy alloy coating on AISI1045 steel fabricated by laser cladding[J]. Journal of Materials Engineering and Performance, 2019, 28(3): 1544-1552.
[4]Zhang G J, Tian Q W, Yin K X, et al. Effect of Fe on microstructure and properties of AlCoCrFe_xNi (x=1.5, 2.5) high entropy alloy coatings prepared by laser cladding[J]. Intermetallics, 2020, 119: 106722.
[5]张彤. 激光熔覆颗粒增强高熵合金复合涂层摩擦磨损性能研究[D]. 徐州: 中国矿业大学, 2022.
[6]Chen S, Chen X, Wang L, et al. Laser cladding FeCrCoNiTiAl high entropy alloy coatings reinforced with self-generated TiC particles[J]. Journal of Laser Applications, 2016, 29(1): 012004.
[7]刘昊, 孙世峰, 李晓佳, 等. 激光熔覆CoCrFeMnNiMo_x高熵合金涂层的微观组织及性能[J]. 上海交通大学学报, 2022, 56(12): 1675-1687.
Liu Hao, Sun Shifeng, Li Xiaojia, et al. Microstructure and properties of CoCrFeMnNiMo_x high-entropy alloy coating by laser cladding[J]. Journal of Shanghai Jiaotong University, 2022, 56(12): 1675-1687.
[8]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): 2817-2829.
[9]马世忠, 孙荣禄, 牛伟, 等. 退火对激光熔覆CoCrFeNiW_0.6高熵合金涂层组织与性能的影响[J]. 表面技术, 2023, 52(1): 38-46.
Ma Shizhong, Sun Ronglu, Niu Wei, et al. Effect of annealing on microstructure and properties of laser cladding CoCrFeNiW_0.6 high entropy alloy coating[J]. Surface Technology, 2023, 52(1): 38-46.
[10]Lyu P, Peng T, Miao Y Q, et al. Microstructure and properties of CoCrFeNiMo_0.2 high-entropy alloy enhanced by high-current pulsed electron beam[J]. Surface and Coatings Technology, 2021, 410: 126911.
[11]Cai Y C, Shan M D, Cui Y, et al. Microstructure and properties of FeCoCrNi high entropy alloy produced by laser melting deposition[J]. Journal of Alloys and Compounds, 2021, 887: 161323.
[12]吴吉鹏. 粉末冶金AlTiCrNiCuSi_x低密度高熵合金的组织与性能[D]. 广州: 华南理工大学, 2020.
[13]Garip Y. Tailoring oxidation resistance of Fe₂CoCrNi_0.5 based high entropy alloys by addition of alloying elements (Si, Cu and Si-Cu co-added)[J]. Journal of Alloys and Compounds, 2022, 920: 165951-165964.
[14]温晓灿, 张凡, 雷智锋, 等. 高熵合金中的第二相强韧化[J]. 中国材料进展, 2019, 38(3): 242-250.
Wen Xiaocan, Zhang Fan, Lei Zhifeng, et al. Second phase strengthening in high-entropy alloys[J]. Materials China, 2019, 38(3): 242-250.
[15]Wang X F, Zhang Y, Qiao Y, et al. Novel microstructure and properties of multicomponent CoCrCuFeNiTi_x alloys[J]. Intermetallics, 2007, 15(3): 357-362.
[16]Archard J F. Contact and rubbing of flat surfaces[J]. Journal of Applied Physics, 1953, 24(8): 981-988.
[17]杨旭. 定向凝固对AlCoCrFeNi(Ti, Nb)高熵合金组织演变和力学性能的影响[D]. 哈尔滨: 哈尔滨工业大学, 2022.
[18]湛思唯, 汤军辉, 王奉涛, 等. 激光熔覆TiZrHfCrMoW涂层在大气和模拟体液环境下的摩擦磨损行为[J]. 表面技术, 2023, 52(1): 29-37.
Zhan Siwei, Tang Junhui, Wang Fengtao, et al. Tribological behavior of laser clad TiZrHfCrMoW high-entropy alloy coating in air and in simulated body solution[J]. Surface Technology, 2023, 52(1): 29-37.
[19]王跃明, 李晨龙, 韩旭航, 等. 大气等离子喷涂FeCoCrNiAl高熵合金涂层的高温摩擦磨损性能[J]. 表面技术, 2023, 52(10): 160-170, 180.
Wang Yueming, Li Chenlong, Han Xuhang, et al. Friction and wear properties of FeCoCrNiAl high entropy alloy coatings prepared by atmospheric plasma spraying at high temperature[J]. Surface Technology, 2023, 52(10): 160-170, 180.
[20]郝晨帆, 孟君晟, 丁皓, 等. 氩弧熔覆Al_xCoCrFeCuNi高熵合金涂层组织与耐磨性[J]. 表面技术, 2023, 52(12): 360-368.
Hao Chenfan, Meng Junsheng, Ding Hao, et al. Microstructure and wear resistance of Al_xCoCrFeCuNi high entropy alloy coating by argon arc cladding[J]. Surface Technology, 2023, 52(12): 360-368.
[21]魏仕勇, 王超敏, 彭文屹, 等. Al添加量对无钴高熵合金涂层组织结构和耐磨性的影响[J]. 金属热处理, 2023, 48(11): 276-281.
Wei Shiyong, Wang Chaomin, Peng Wenyi, et al. Effect of Al addition on microstructure and wear resistance of Co-free high-entropy alloy coatings[J]. Heat Treatment of Metals, 2023, 48(11): 276-281.
[22]王志新, 周家臣, 马明星, 等. 退火对AlCoCrFeMnTi高熵合金相组成与显微形貌的影响[J]. 金属热处理, 2020, 45(4): 144-148.
Wang Zhixin, Zhou Jiachen, Ma Mingxing, et al. Effect of annealing on phase composition and morphology of AlCoCrFeMnTi high entropy alloy[J]. Heat Treatment of Metals, 2020, 45(4): 144-148.
[23]姜明明, 孙树峰, 王津, 等. 激光熔覆制备高熵合金涂层耐磨性研究进展[J]. 材料工程, 2022, 50(3): 18-32.
Jiang Mingming, Sun Shufeng, Wang Jin, et al. Research progress in wear resistance of high entropy alloy coatings prepared by laser cladding[J]. Journal of Materials Engineering, 2022, 50(3): 18-32.