2Vパーメンジュール圧延板に関する研究

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In order to clarify the order-disorder transformation mechanism of the hot-rolled 2V Permendur sheet, the characteristics of various heat-treated specimens were investigated with regard to their roll direction. The results obtained in this study can be summarized as follow: (1) The magnetostriction is dependent upon the roll direction, and shows its maximum value at the angle 45°except in the furnace-cooled state from 1050℃. (2) The magnetostriction vs. heat-treatment curves at H=1600 Oe are almost similar in any direction. The magnetostriction becomes largest after furnace cooling 1050℃, and decreases to the minimum after water quenching at 680℃, but increases at 750℃, then decreases again at 850℃ and shows the tendency of sight increase at higher temperatures. These tendencies do not change at H=50 Oe, although the magnetostriction shows again the minimum at 950℃. (3) The intensity curves of magnetization vs. roll direction at H=50 Oe after various heat-treatments are found to be analogous to those for magnetostriction. (4) Young's modulus in γ phase is dependent upon roll direction. (5) The effects of roll direction on Young's modulus in an ordered state are quite different from those in a disordered state, and Young's modulus in the former is generally larger than that in the latter. (6) In (α+γ) phase, Young's modulus is largest after a water quenching at 950℃. (7) Young's modulus vs. heat-treatment curves are much the same in all directions. (8) The cooling effect due to quenching is pronounced rather in cold water than in liquid nitrogen.
社団法人日本材料学会の論文
1972-04-15

2Vパーメンジュール圧延板に関する研究

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