Young's Modulus and Delay Time Characteristics of Ferromagnetic Fe-Si-B Amorphous Alloys
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概要
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The temperature dependence of thermal expansion and Young's modulus of amorphous Fe-Si-B alloys prepared by the roller quenching technique was measured in order to examine their delay time characteristics. The thermal expansion coefficient of as-prepared alloys was in the order of 7〜9×10^<-6>/℃ depending on the content of metalloids. The temperature coefficient of Young's modulus varied from 0 to -40×10^<-5>/℃ with ordinary annealing and magnetic annealing, and the Elinvar characteristics caused by a large 〓E effect was obtained for several alloys. The temperature coefficient of the delay time calculated from thermal expansion and Young's modulus was nearly zero for several alloys. Therefore, these amorphous alloys are expected to be useful for ultrasonic delay lines.
- 東北大学の論文
著者
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Fukamichi Kazuaki
The Research Institute For Iron Steel And Other Metals
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Moroishi K
Hoya Corp. Tokyo Jpn
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KIKUCHI Michio
The Research Institute of Electric and Magnetic Alloys
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Kikuchi M
Tohoku Univ. Sendai
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Masumoto Tsuyoshi
The Research Development Corporation Of Japan:the Research Institute For Iron Steel And Other Metals
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