An lnvestigation on the corrosion Behavior of TB-19 Alloy
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摘要: 研究了高强亚稳β型钛合金TB-19的均匀腐蚀性能、耐冲刷腐蚀性能及应力腐蚀性能。结果表明,TB-19合金在60°C海水中经1000h均匀腐蚀试验后基本无腐蚀;在10m/s流速天然海水中,冲刷腐蚀速度仅为0.00029mm/a;在海水中的应力腐蚀强度因子为55.15MPa·m1/2,证明TB-19合金是一种耐蚀性能优良的高强钛合金。Abstract: The corrosion behavior in seawater of high strength titanium alloy TB-19 forgings is investigated.The results manifest that the alloy prove resistant to seawater with an erosion rate 0.00029mm/a in the 10m/s flow and an stress corrosion factor 55.15MPa·m1/2 remaining uncorroded after 1000h uniform corrosion test in 60℃ seawater.
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Key words:
- Titanium alloy /
- Forgings /
- Seawater corrosion
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