2Vパーメンジュール圧延板に関する研究
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概要
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Abstract 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 directions. The results obtained in this study can be summerized as follows: (1) The magnetostriction is dependent upon the roll direction, and shows a maximum vaiue in 45゜ direction except in the furnace-cooled state from 1050℃. 2) The magnetostriction vs heat-treatment curves at H = 1600 Oe are almost similar to any directions. The magnetostriction becomes largest after furnace cooling from 1050℃, and decreases to a minimum after water quenching at 680 ℃, but increases at 750 ℃, then decreases again at 850℃ and shows the tendency of slight increase at higher temperatures. These tendencies do not change at H = 50 Oe, although the magnetostriction shows again a 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 7 phase is dependent upon the 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 in general Young's modulus in the former is larger than that in the latter. (6) In the (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.
- 山形大学の論文
- 1971-03-20
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