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《Physical Testing and Chemical Analysis(Part A:Physical Testing)》 2018-02
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Microstructure and Properties of Ti/Ni+ZrO_2 Laser Cladding Layer on TA15 Titanium Alloy Surface

LUO Ya;YUAN Chenjie;ZHAO Huifeng;TIAN Futai;Shanghai Linshi Laser Technology Co.,Ltd.;Shanghai Lingang Remanufacturing Industry Development Co.,Ltd.;  
In order to improve the surface hardness and wear resistance of TA15 titanium alloy,Ti/Ni+5%ZrO_2(mass fraction)coating was prepared by laser cladding method on the surface of TA15 titanium alloy.The microstructure and properties of the coating were studied.The results show that the cladding layer was well bonded with the substrate.Except of intermetallic compound Ti_2Ni and TiNi,there were a small amount of monoclinic phase zirconia(m-ZrO_2)and tetragonal phase zirconia(t-ZrO_2)in the cladding layer.The wear resistance and hardness of the cladding layer were greatly improved by the phase of TiNi and Ti2 Ni,and the toughness of the cladding layer was increased by ZrO_2 phase which further increased the wear resistance and hardness of the cladding layer at the same time.
【CateGory Index】: TG174.4
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