钛合金在3.5%NaCl溶液中的腐蚀行为

王海杰, 王佳, 彭欣, 山川

Corrosion Behavior of Three Titanium Alloys in 3.5%NaCl Solution

WANG Haijie, WANG Jia, PENG Xin, SHAN Chuan

表1 3种钛合金的化学成分

Table 1 Chemical compositions of TC4, TC18 and TC21 alloys

Sample Al V Fe Mo Cr Zr Nb Sn Ti TC4 5.5~6.8 3.5~4.5 0.3 --- --- --- --- --- Bal. TC18 4.4~5.7 4.0~5.5 0.5~1.5 4.0~5.5 0.5~1.5 ≤0.30 --- --- Bal. TC21 5.2~6.8 --- 0.9~2.0 2.2~3.3 0.9~2.0 1.6~2.5 1.7~2.3 1.6~2.5 Bal.