Creep damage evaluation of Mod. 9Cr-1Mo steel by an electromagnetic nondestructive method focused on rapid magnetization process

Shibuya, Kentaro*; Uchimoto, Tetsuya*; Takagi, Toshiyuki*; Takaya, Shigeru

Magnetic property of aged samples and creep rupture samples of mod. 9Cr-1Mo steel were measured by a nonlinear eddy current method and a magnetic Kerr effect method. Concerning the creep rupture samples, it was found that the equivalent remanent magnetization measured by the nonlinear eddy current method and that measured by the magnetic Kerr effect method are different. This difference may be introduced by change in precipitation of MX carbonnitride and dislocation.

Language	:	Japanese
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Meeting title	:	日本設備管理学会第3回検査・評価・保全に関する連携講演会
Held date	:	2011/12
Location (city)	:	大阪
Location (country)	:	日本
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Keywords	:	no keyword
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Cooperating Institute	:	東北大学

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Registration No. : BB20112346
JAEA Abstracts No. :
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