The critical stress for initiation of stress corrosion cracking (SCC) of a duplex stainless steel (DSS) in a sour environment was investigated using three stress application techniques: constant-strain, constant-load, and slow strain rate testing (SSRT). The critical stresses for SCC initiation as determined by detailed observation of the alloy surface after the three tests were in good agreement when a newly proposed index (σc) was adopted to express the SSRT results combined with crack observations for each test. The effect of cold work (CW) on SCC and pitting resistance of the DSS also was studied. CW did not accelerate SCC when initiation was controlled by pitting. The critical stress for SCC initiation increased with increasing CW and the resultant increase in yield stress.
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1 August 1996
Research Article|
August 01 1996
Critical Stress for Stress Corrosion Cracking of Duplex Stainless Steel in Sour Environments Available to Purchase
T. Kanamaru;
T. Kanamaru
*Nippon Steel Corp., Nagoya Research and Development Laboratories, 5-3 Tokai-machi, Tokai, Aichi, 476,
Japan
.
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H. Ogawa
H. Ogawa
**Nippon Steel Corp., Steel Research Laboratories, 20-1 Shintomi, Futtsu, Chiba, 293,
Japan
.
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Online ISSN: 1938-159X
Print ISSN: 0010-9312
NACE International
1996
CORROSION (1996) 52 (8): 592–599.
Citation
A. Miyasaka, T. Kanamaru, H. Ogawa; Critical Stress for Stress Corrosion Cracking of Duplex Stainless Steel in Sour Environments. CORROSION 1 August 1996; 52 (8): 592–599. https://doi.org/10.5006/1.3292149
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