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오주숙 ( Ju Suk Oh ),양원존 ( Won Jon Yang ),이종훈 ( Jong Hoon Lee ),박용호 ( Yong Ho Park ) 한국열처리공학회 2011 熱處理工學會誌 Vol.24 No.3
Residual stress relief by pulse magnetic treatment is attractive because the process is carried out at room temperature and magnetic fields that are easy to produce and control can be used. This study shows that strong pulse magnetic treatment can lead to stress relaxation of structural steels instead of a conventional heat treatment process. And it makes a comparative study about pulse magnetic treatment and tempering by using Larson-Miller equation. When the specimen was subjected to a pulse magnetic treatment process the residual stress in the specimen was reduced by about 13.8%. It could be compared with tempering at 200℃ for 2hours by using thermal effect of Larson-Miller equation. As a result, it is considered that the pulsed magnetic treatment have an effect of the stress relation by tempering at 200℃ for 2 hours.