Surface Alloying and Improved Property of Nb on TC4 Induced by High Current Pulsed Electron Beam

被引：5
作者：
Du, Xueze [1 ]
Tian, Nana [1 ]
Zhang, Conglin [2 ]
Lyu, Peng [1 ]
Cai, Jie [3 ]
Guan, Qingfeng [1 ]
机构：
[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Yancheng Inst Technol, Sch Mat Sci & Engn, Yancheng 224051, Peoples R China
[3] Jiangsu Univ, Engn Inst Adv Mfg & Modern Equipment Technol, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
NANOMATERIALS | 2021年 / 11卷 / 11期
基金：
中国国家自然科学基金;
关键词：
high-current pulsed electron beam (HCPEB); TC4; alloy; Nb alloying; microhardness; wear resistance; corrosion resistance; DRY SLIDING WEAR; CORROSION-RESISTANCE; TI-6AL-4V ALLOY; STAINLESS-STEEL; CARBON-STEEL; MICROSTRUCTURE; CR; TITANIUM; POWDER; TI;
D O I：
10.3390/nano11112906
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper, an Nb alloying layer on a TC4 alloy was fabricated by using high-current pulsed electron beam (HCPEB) irradiation to improve surface performance. X-ray diffraction (XRD), optical microscopy (OM), laser surface microscope (LSM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were used to characterize the phase composition and microstructure of the surface layer. The microhardness, wear tests and corrosion resistance were also examined. The results show that after HCPEB alloying, a Nb-alloyed layer was formed with about 3.6 mu m in thickness on the surface of the sample, which was mainly composed of alpha'-Ti martensite, beta-Ti equiaxial crystals, and NbTi4 particles. After HCPEB irradiation, the surface hardness, wear resistance and corrosion resistance of Nb alloying layer on TC4 alloy were improved compared to the initial samples.
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页数：14
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