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| INFLUENCE OF SURFACE CONDITIONS ON HOT SALT STRESS CORROSION CRACKING OF Ti ALLOY TC11 |
| YU Bingxi; ZHANG Suisheng; WAN Xiaojing (Institute of Metal Research; Academia Sinica; Shenyang) |
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Cite this article:
YU Bingxi; ZHANG Suisheng; WAN Xiaojing (Institute of Metal Research; Academia Sinica; Shenyang). INFLUENCE OF SURFACE CONDITIONS ON HOT SALT STRESS CORROSION CRACKING OF Ti ALLOY TC11. Acta Metall Sin, 1986, 22(1): 87-150.
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Abstract The evaluation of the threshold stress of hot salt stress corrosion cracking (HSSCC) of Ti alloy TC11 in temperature range from 350 to 500℃ under laboratory condition and of its susceptibility influenced by five different surface conditions was made. In comparison among them, it was believed that the susceptibility of Ti alloy TC11 to HSSCC may be effectively improved by anodizing its surface owing to retarding the aggressive materials diffused through the oxide layer into substrate. The surface treatment of shot peening may also improve the resistance to HSSCC, especially, at temperature below 430℃. However, no more improvement over its surface resistance by the compressive stress is noticed in increasing temperature.
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Received: 18 January 1986
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4 Ondrejcin, R.S., NASA CR-1829, 1971．
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