Papers by Author: Kanryu Inoue

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Authors: Takashi Kira, Kinzo Murata, Tamotsu Shimada, Soon Jong Jeong, Shozo Inoue, Keiji Koterazawa, Kanryu Inoue
2207
Authors: Shozo Inoue, Takahiro Namazu, S. Fujita, Keiji Koterazawa, Kanryu Inoue
2213
Authors: Gon Seung Yang, Jong Kook Lee, Woo Yang Jang, Soon Jong Jeong, Kanryu Inoue
Abstract: CuAlNi shape memory alloy with Cu-13.5Al-4.5Ni(wt%) composition was prepared by cross-rolling method and the aging effect, phase transformation characteristics, microstructural variation were investigated. Transformation temperature was greatly increased in aged specimens at 250°C. Transformation temperature was not changed after the second reversed transformation, and Ms point was same in most specimens with third reversed transformation cycle. The variation of Ms point was not seen with aging at 100°C, but it was decreased with aging at 250°C. Transformation temperatures appear to be constant, to an measurable extent, in specimens prepared by both hotrolling and cross-rolling at 900°C. Plate shaped-specimen with the thickness of about 1mm was prepared by cross-rolling treatment at 350°C. The transformation temperatures did not change after the second transformation-reverse transformation cycling, and specially transformation start temperature was the same in most specimens experiencing third thermal cycle and thereafter. Undesirable tweed-like structure was observed in 250°C-aged specimen after a cross-rolling at 350°C. On aging the specimen prepared by cross-rolling, G.P zone was formed easier than that of γ2 phase. This phase was transformed to plate-like θ phase during aging.
3326
Authors: Kiyoshi Mizuuchi, Masami Sugioka, Masao Itami, Masakazu Kawahara, J.H. Lee, Kanryu Inoue
1757
Authors: J.P. Chu, S.H. Chen, Hiroyuki Y. Yasuda, Yukichi Umakoshi, Kanryu Inoue
637
Authors: Kazuyuki Enami, K. Morota, M. Hisa, Kanryu Inoue
287
Authors: I.S. Dubenko, I.Yu. Gaidukova, Kanryu Inoue, Ashot S. Markosyan, V.E. Rodimin
633
Authors: N.V. Baranov, Takashi Goto, Y. Hosokoshi, Kanryu Inoue, F. Iwahori, N.V. Mushnikov
441
Authors: Shozo Inoue, Takahiro Namazu, T. Fujimoto, Keiji Koterazawa, Kanryu Inoue
Abstract: The purpose of this work is to quantitatively clarify the shape memory behavior of Fe-Pd films containing ~30at%Pd by thermal cycling testing under various constant stresses. Fe-Pd films (4 $m thick) were deposited onto Si wafers with thermally formed 1$m-thick SiO2 layer using a dual-source dc magnetron sputtering apparatus. The deposited films were all annealed at 900°C for 60 min followed by iced water quenching. Perfect shape recovery was observed for Fe-30.0at%Pd film when the applied stress was lower than 300 MPa. The maximum recoverable strain was ~0.6%. Fe-29.2at%Pd film, on the other hand, showed unrecovered strain after thermal cycling even if the applied stress was 40 MPa. XRD measurements of the Fe-29.2at% Pd film before and after thermal cycling revealed irreversible fcc-bct martensitic transformation that occurred during cooling process at a temperature around -80°C. The critical stress of Fe-Pd films, at which plastic deformation commences to occur, is higher for films with 30 at% Pd than for films with 29.2 at% Pd, which is practically advantageous. The Ms temperature of these films is lower than room temperature when no bias stress is applied, while it becomes higher than room temperature when appropriate bias stress is applied, obeying Clapeyron-Clausius law.
3173
Authors: Hideki Hosoda, Y. Fukui, Tomonari Inamura, Kenji Wakashima, Shuichi Miyazaki, Kanryu Inoue
3121
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