Volume 47 Issue 7
Jul.  2018
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Article Navigation >  Infrared and Laser Engineering  > 2018  >  47(7): 706008-0706008(8)

Qiu Xingwu, Wu Mingjun, Qi Yan, Liu Chunge, Zhang Yunpeng, Huang Chongxiang. Microstructure and corrosion resistance of Al2CrFeCoCuNixTi high entropy alloy coatings prepared by laser cladding[J]. Infrared and Laser Engineering, 2018, 47(7): 706008-0706008(8). doi: 10.3788/IRLA201847.0706008
Citation: Qiu Xingwu, Wu Mingjun, Qi Yan, Liu Chunge, Zhang Yunpeng, Huang Chongxiang. Microstructure and corrosion resistance of Al2CrFeCoCuNixTi high entropy alloy coatings prepared by laser cladding[J]. Infrared and Laser Engineering, 2018, 47(7): 706008-0706008(8). doi: 10.3788/IRLA201847.0706008
shu

Microstructure and corrosion resistance of Al2CrFeCoCuNixTi high entropy alloy coatings prepared by laser cladding

doi: 10.3788/IRLA201847.0706008
  • 1.

    Innovation and Practice Base for Postdoctors,Sichuan College of Architectural Technology,Deyang 618000,China;

  • 2.

    School of Aeronautics &Astronautics,Sichuan University,Chengdu 610065,China;

  • 3.

    Department of Materials Engineering,Sichuan College of Architectural Technology,Deyang 618000,China;

  • 4.

    Department of Surveying and Mapping Engineering,Sichuan College of Architectural Technology,Deyang 618000,China;

  • 5.

    School of Material Science and Engineering,Xi'an University of Technology,Xi'an 710048,China

  • Received Date: 2018-02-05
  • Rev Recd Date: 2018-03-03
  • Publish Date: 2018-07-25
  • The Al2CrFeCoCuNixTi high entropy alloy coating was prepared by laser cladding on Q235 steel surface. The microstructure of Al2CrFeCoCuNixTi high entropy alloy coatings were analyzed, and the corrosion resistance of Al2CrFeCoCuNixTi high entropy alloy coatings in 0.5 mol/L HNO3 solution and 0.5 mol/L HCl solution were tested. The experimental results show that the Al2CrFeCoCuNixTi high entropy alloy coating can be divided into cladding zone, bonding zone and heat affected zone. The microstructure of cladding zone is mainly composed of equiaxed grain, with micron-grade particles distributed on it, the phase structure of Ni1.0 high entropy alloy coating was simple for FCC and BCC structure. Due to the passivation effect of Cr and Ni elements and formation of Al2O3 and Al2O3H2O films by Al element, the Al2CrFeCoCuNixTi high entropy alloy coating exhibits good corrosion resistance in 0.5 mol/L HNO3 solution and 0.5 mol/L HCl solution. Compared with Q235 steel, the corrosion current density decreases 1-2 orders of magnitude. Pitting corrosion appears because of Cl- in 0.5 mol/L HCl solution can penetrate the passive film on the Ni0.5 high entropy alloy coating surface.
  • [1] Yeh J W, Chang S Y, Hong Y D, et al. Anomalous decrease in X-ray diffraction intensities of Cu-Ni-Al-Co-Cr-Fe-Si alloy systems with multi-principal elements[J]. Materials Chemistry and Physics, 2007, 103:41-46.
    [2] Liu Shuqian, Huang Weigang. Microstructure and mechanical performance of AlCrCoNiSix high-entropy alloys[J]. Journal of Materials Engineering, 2012, 40(1):5-8. (in Chinese)
    [3] Zhang Airong, Liang Hongyu, Li Ye. Property of A1CrCoFeNiMoTi0.75Si0.25 high-entropy alloy coating tool prepared by laser cladding[J]. China Surface Engineering, 2013, 26(4):27-31. (in Chinese)
    [4] An Xulong, Liu Qibin, Zheng Bo. Microstructure and properties of laser cladding high entropy alloy MoFeCrTiWAlxSiy coating[J]. Infrared and Laser Engineering, 2014, 43(4):1140-1144. (in Chinese)
    [5] Hu Z H, Zhan Y Z, Zhang G H. Effect of rare earth Y addition on the microstructure and mechanical properties of high entropy AlCoCrCuNiTi alloys[J]. Materials and Design, 2010, 31:1599-1602.
    [6] Tang Qunhua, Liao Xiaozhou, Dai Pinqiang. Microstructure evolution of Al0.3CoCrFeNi high-entropy alloy during high-pressure torsion[J]. Journal of Materials Engineering, 2015, 43(12):45-51. (in Chinese)
    [7] Hsu C Y, Sheu T S, Yeh J W, et al. Effect of iron content on wear behavior of AlCoCrFexMo0.5Ni high-entropy alloys[J]. Wear, 2009, 268:653-659.
    [8] Shun T T, Hung C H, Lee C F. The effects of secondary elemental Mo or Ti addition in Al0.3CoCrFeNi high-entropy alloy on age hardening at 700℃[J]. Journal of Alloys and Compounds, 2010, 495:55-58.
    [9] Hsu Y J, Chiang W C. Corrosion behavior of FeCoNiCrCux high-entropy alloys in 3.5% sodium chloride solution[J]. Materials Chemistry and Physics, 2005, 92:112-117.
    [10] Xie Hongbo, Liu Guizhong, Guo Jingjie. Effect of Zr addition on microstructure and corrosion properties of AlFeCrCoCuZrx high-entropy alloys[J]. Journal of Materials Engineering, 2016, 44(6):44-49. (in Chinese)
    [11] Ma Chen, Ma Zhuang, Gao Lihong, et al. Laser damage mechanism of flake graphite modified phenolic resin coating[J]. Chinese Optics, 2017, 10(2):249-255. (in Chinese)
    [12] Pham Thihongnga, Liu Hongxi, Zhang Xiaowei, et al. Microstructure and high-temperature wear behaviors of Co/TiC laser coatings on die steel[J]. Optics and Precision Engineering, 2013, 21(8):2048-2055. (in Chinese)
    [13] Liu Hongxi, Tao Xiaode, Zhang Xiaowei, et al. Microstructure and interface distribution of Fe-Cr-Si-B-C laser cladding alloy coatings assisted by mechanical vibration[J]. Optics and Precision Engineering, 2015, 23(8):2192-2202. (in Chinese)
    [14] Chou Y L, Wang Y C, Yeh J W. Pitting corrosion of the high-entropy alloy Co1.5CrFeNi1.5Ti0.5Mo0.1 in chloride-containing sulphate solutions[J]. Corrosion Science, 2010, 52:3481-3491.
    [15] Wang Xuede, Luo Sihai, He Weifeng, et al. Effects of laser shock processing without coating on mechanical properties of K24 nickel based alloy[J]. Infrared and Laser Engineering, 2017, 46(1):0106005. (in Chinese)
    [16] Zhang Min, Liu Chang, Ren Bo, et al. Microstructure and mechanical properties of porous Ni alloy fabricated by laser 3D printing[J]. Chinese Optics, 2016, 9(3):335-341. (in Chinese)
    [17] Liu Hongxi, Leng Ning, Zhang Xiaowei, et al. Microstructure and wear behavior of WC/Co50 composite coatings on 40Cr cutting tool surface prepared by laser cladding[J]. Infrared and Laser Engineering, 2016, 45(1):0106005. (in Chinese)
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Microstructure and corrosion resistance of Al2CrFeCoCuNixTi high entropy alloy coatings prepared by laser cladding

doi: 10.3788/IRLA201847.0706008
  • 1. Innovation and Practice Base for Postdoctors,Sichuan College of Architectural Technology,Deyang 618000,China;
  • 2. School of Aeronautics &Astronautics,Sichuan University,Chengdu 610065,China;
  • 3. Department of Materials Engineering,Sichuan College of Architectural Technology,Deyang 618000,China;
  • 4. Department of Surveying and Mapping Engineering,Sichuan College of Architectural Technology,Deyang 618000,China;
  • 5. School of Material Science and Engineering,Xi'an University of Technology,Xi'an 710048,China
  • Received Date: 2018-02-05
  • Rev Recd Date: 2018-03-03
  • Publish Date: 2018-07-25

Abstract: The Al2CrFeCoCuNixTi high entropy alloy coating was prepared by laser cladding on Q235 steel surface. The microstructure of Al2CrFeCoCuNixTi high entropy alloy coatings were analyzed, and the corrosion resistance of Al2CrFeCoCuNixTi high entropy alloy coatings in 0.5 mol/L HNO3 solution and 0.5 mol/L HCl solution were tested. The experimental results show that the Al2CrFeCoCuNixTi high entropy alloy coating can be divided into cladding zone, bonding zone and heat affected zone. The microstructure of cladding zone is mainly composed of equiaxed grain, with micron-grade particles distributed on it, the phase structure of Ni1.0 high entropy alloy coating was simple for FCC and BCC structure. Due to the passivation effect of Cr and Ni elements and formation of Al2O3 and Al2O3H2O films by Al element, the Al2CrFeCoCuNixTi high entropy alloy coating exhibits good corrosion resistance in 0.5 mol/L HNO3 solution and 0.5 mol/L HCl solution. Compared with Q235 steel, the corrosion current density decreases 1-2 orders of magnitude. Pitting corrosion appears because of Cl- in 0.5 mol/L HCl solution can penetrate the passive film on the Ni0.5 high entropy alloy coating surface.

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