CRivai, A. K.; Saito, Shigeru 
; Obayashi, Hironari ; Tezuka, Masao*; Kato, Chiaki ; Kikuchi, Kenji*
In the present study, we applied 20% cold work treatment to the JPCA austenitic steel and investigated it from the corrosion behavior viewpoint. The cold worked-JPCA was tested in JLBL-1 corrosion test apparatus with 450C of Pb-Bi for 1000 hours. As for comparison analysis, JPCA steel without cold working was also tested in the same time and condition. The results showed that Pb-Bi penetrated into the matrix of JPCA steel without cold working through a ferrite layer which was formed because of nickel and chromium dissolution. As for the cold worked-JPCA, dissolution attack occurred partially and formed localized superficial pitting corrosion. Therefore, the cold working circumscribed a dissolution attack by Pb-Bi. It was found that the different corrosion behavior occurred because the cold working induced structure transformation of the austenitic. By using MFM (Magnetic Force Microscope), magnetization of the cold worked-JPCA was revealed.
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: | English |
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: | 10th International Workshop on Spallation Materials Technology (IWSMT-10) |
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: | 2010/10 |
Location (city) |
: | Beijing |
Location (country) |
: | China |
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: | no keyword |
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