| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
In this research, a meta-stable austenitic stainless steel (Fe-16%Cr-10%Ni) was strengthened by deformation induced martensitic transformation and then only the surface of cold worked material was subjected to local induction heating to cause the reversion from martensite to austenite. As a result, it was found that the austenite layer can be formed in vicinity of the surface of the steel while leaving the martensite inside and the hydrogen permeation into material is effectively suppressed by the austenite layer with a moderate thickness.
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