STUDY ON THE RELATIONSHIP BETWEEN MAGNETIC FIELD AND RESIDUAL STRESS IN STEEL MATERIALS
LIN Jian;Haiyan ZHAO;Zhipeng CAI;Yongping LEI
北京工业大学
Cite this article:
LIN Jian; Haiyan ZHAO; Zhipeng CAI; Yongping LEI. STUDY ON THE RELATIONSHIP BETWEEN MAGNETIC FIELD AND RESIDUAL STRESS IN STEEL MATERIALS. Acta Metall Sin, 2008, 44(4): 451-456 .
Abstract It has been reported that magneto-vibration is a key factor to cause residual stress reduction in steel during the process of magnetic treatment. In this paper the relationship between magneto-vibration and residual stress reduction caused by magnetic treatment in steel is studied. From the experimental results it shows that the existence of residual stress in steel can have some effect on the magnetostriction behavior, and further on the magneto-vibration behavior. When there exists residual stress in steel specimen, the value and the range of the magneto-vibration are different from those without residual stress. And with the development of magneto-vibration its value and range move to those without residual stress gradually. On the other hand the residual stress in steel specimen can be reduced after magneto-vibration. Therefore it can be concluded that when there exists residual stress in steel the magneto-vibration and residual stress influence each other so that the magneto-vibration with residual stress has a non-linear characteristic.
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