前置渗氧对TC4钛合金低温等离子复合渗层微观结构和耐磨损性能的影响

王海峰, 张志明, 牛云松, 杨延格, 董志宏, 朱圣龙, 于良民, 王福会

Effect of Pre-Oxidation on Microstructure and Wear Resistance of Titanium Alloy by Low Temperature Plasma Oxynitriding

WANG Haifeng, ZHANG Zhiming, NIU Yunsong, YANG Yange, DONG Zhihong, ZHU Shenglong, YU Liangmin, WANG Fuhui

表2 钛合金基体和热处理样品的相关力学性能

Table 2 Mechanical properties of titanium alloy matrix and heat-treated samples

Sample H / GPa E / GPa H / E H 3 / E2 Untreated TC4 4.57 127.5 0.036 5.87 × 10-3 PN 3h 5.60 132.6 0.042 1.0 × 10-2 Matrix (PN 3h) 4.77 116.6 0.041 7.98 × 10-3 PO+PN 3h 8.54 149.1 0.057 2.8 × 10-2 Matrix (PO+PN 3h) 4.92 115.4 0.043 8.94 × 10-3 PO+PN 4h 11.22 208.3 0.054 3.25 × 10-2 Matrix (PO+PN 4h) 4.73 120.7 0.039 7.25 × 10-3