613 自動車用超ハイテン材引張時に生じる磁気特性に関する研究(材料と組織)

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  • 613 Magnetic Characteristic of Automotive High Tensile Steel Sheet in Tensile Test

説明

In this study, magnetic characteristic of automotive high tensile steel sheet was measured. The material used JSC280E, JSC590Y, JSC780Y, JSC780T, JSC980Y and JSC1180YN. First of all, the magnetism of the material cut out was measured. As a result, magnetic flux density of test piece showed a tendency upper right. Then the change of upper and lower cutting side in magnetic flux density is larger than that of the part of surface. After that, tensile test was done. The center of test piece rises and magnetic flux density has risen most. Magnetic flux density increase rose rapidly when going up from processing rate 0% to 1.43%. It was changeless though the processing rate went up from 1.43 to 4.29%.

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