结构稳定性对Zr基非晶合金电化学腐蚀性能的影响

阎竹, 张晨阳, 王立新, 袁国, 张元祥, 方烽, 王洋, 康健

Effect of Structural Stability on Electrochemical Corrosion Properties of Zr-based Amorphous Alloy

YAN Zhu, ZHANG Chenyang, WANG Lixin, YUAN Guo, ZHANG Yuanxiang, FANG Feng, WANG Yang, KANG Jian

表1 Zr₅₅Cu₃₀Al₁₀Ni₅铸态及退火态非晶合金在3.5%NaCl溶液中极化曲线拟合结果

Table 1 Fitting results of polarization curves for Zr₅₅Cu₃₀Al₁₀Ni₅ as-cast and annealed amorphous alloys in 3.5%NaCl solution

Alloy	E_corr / mV	I_corr / A·cm^-2	E_pit / mV	E_pit-E_corr / mV
As-cast	-353 (±11)	7.438×10^-7 (±0.36)	-143 (±17)	210
Annealed / 653 K	-332 (±2)	5.743×10^-7 (±0.21)	-157 (±29)	175
Annealed / 693 K	-301 (±7)	2.191×10^-7 (±0.17)	-212 (±34)	89
Annealed / 723 K	-287 (±16)	9.823×10^-8 (±0.42)	-253 (±21)	34