低模量耐腐蚀亚稳 <strong><i>β</i></strong> 钛合金的电子束增材制造与性能研究

低模量耐腐蚀亚稳 β 钛合金的电子束增材制造与性能研究

衣俊达, 冷傲, 宫得伦, 韦博鑫

Microstructureand Properties of Low Modulus Corrosion-resistant Metastable β-Ti Alloy Prepared by Electron Beam Melting

YI Junda, LENG Ao, GONG Delun, WEI Boxin

表2 TC4与EBM-Ti15Nb2.5Zr4Sn合金的动电位极化曲线拟合结果

Table 2 Fitted electrochemical parameters from potentiodynamic polarization curves of TC4 and EBM-Ti15Nb2.5Zr4Sn alloys

Parameters	I_corr / nA·cm^-2	E_corr/ mV	E_pit/ V	β_a/ mV·dec^-1	β_c/ mV·dec^-1
TC4	284	-300.2	1.159	0.159	0.124
EBM-Ti15Nb2.5Zr4Sn	308	-312.7	1.132	0.156	0.120