長坂 琢也

Takuya Nagasaka, Hiroyuki Takahashi, Takeo Muroga, Naoaki Yoshida and Tetsuo Tanabe, "Hardening of Vanadium Doped with Nitrogen by Heavy Ion Irradiation and Post-Irradiation Annealing," 

Effect of Radiation on Materials: 20^th International Symposium, ASTM STP 1405, American Society for Testing and Materials, West Conshohocken PA, pp.746-761 2001年  

Takuya Nagasaka, Martin L. Grossbeck, Takeo Muroga and James F. King, "Comparison of Impact Property of Japanese and US Reference Heats of V-4Cr-4Ti after Gas-Tungsten-Arc Welding," 

Fusion Technology 39, pp.664-668 2001年  

Takuya Nagasaka, Takeo Muroga, Motoaki Imamura, Shigeki Tomiyama and Masafumi Sakata, "Fabrication of High-Purity V-4Cr-4Ti Low Activation Alloy Products," 

Fusion Technology 39, pp.659-663 2001年  

Takuya Nagasaka, Hiroyuki Takahashi, Takeo Muroga, Naoaki Yoshida and Tetsuo Tanabe, "Hardening of Vanadium Doped with Nitrogen by Heavy Ion Irradiation and Post-Irradiation Annealing," 

Effect of Radiation on Materials: 20th International Symposium, ASTM STP 1405, American Society for Testing and Materials, West Conshohocken PA, pp.746-761 2001年  

Takuya Nagasaka, Martin L. Grossbeck, Takeo Muroga and James F. King, "Comparison of Impact Property of Japanese and US Reference Heats of V-4Cr-4Ti after Gas-Tungsten-Arc Welding," 

Fusion Technology 39, pp.664-668 2001年  

Takuya Nagasaka, Takeo Muroga, Motoaki Imamura, Shigeki Tomiyama and Masafumi Sakata, "Fabrication of High-Purity V-4Cr-4Ti Low Activation Alloy Products," 

Fusion Technology 39, pp.659-663 2001年  

Takeo Muroga and Takuya Nagasaka, "Reduction of Impurity Levels of Vanadium and Its Alloys for Fusion Application," 

International Journal of Refractory Metals & Hard Materials 18, pp.225-230 2000年  

Noriyuki Inoue, Takeo Muroga, Arata Nishimura, Takuya Nagasaka, Osamu Motojima, S. Uchida, H. Yabe, K. Oguri, Y. Nishi, Yutai Katoh and Akira Kohyama, "Characterization of Low-Activation Ferritic Steel(JLF-1) Weld Joint by Simulated Heat-Treatments," 

Journal of Nuclear Materials Vol.283-287, pp.1187-1191 2000年  

Arata Nishimura, Takuya Nagasaka, Noriyuki Inoue, Takeo Muroga and Chusei Namba, "Low Cycle Fatigue Properties of a Low Activation Ferritic Steel(JLF-1)at Room Temperature," 

Journal of Nuclear Materials Vol.283-287, pp.677-680 2000年  

Takeo Muroga, Takuya Nagasaka, Atsuo Iiyoshi, Akio Kawabata, Seiji Sakurai and Masafumi Sakata, "NIFS Program for Large Ingot Production of a V-Cr-Ti Alloy," 

Journal of Nuclear Materials Vol.283-287, pp.711-715 2000年  

Takuya Nagasaka, Hiroyuki Takahashi, Takeo Muroga, Tetsuo Tanabe and Hideki Matsui, "Recovery and Recrystallization Behavior of Vanadium at Various Controlled Nitrogen and Oxygen Levels," 

Journal of Nuclear Materials Vol.283-287, pp.816-821 2000年  

Takuya Nagasaka, Hiroo Yoshida, Ken-ichi Fukumoto, Takuya Yamamoto and Hideki Matsui, "Mechanical Property of a High-Purity Fe-9Cr-2W-0.1C Model Alloy for Low-Activation Ferritic Steels for Fusion Reactors," 

Materials Transactions, JIM 41, pp.170-177 2000年  

Takeo Muroga and Takuya Nagasaka, "Reduction of Impurity Levels of Vanadium and Its Alloys for Fusion Application," 

International Journal of Refractory Metals & Hard Materials 18, pp.225-230 2000年  

Noriyuki Inoue, Takeo Muroga, Arata Nishimura, Takuya Nagasaka, Osamu Motojima, S. Uchida, H. Yabe, K. Oguri, Y. Nishi, Yutai Katoh and Akira Kohyama, "Characterization of Low-Activation Ferritic Steel(JLF-1) Weld Joint by Simulated Heat-Treatments," 

Journal of Nuclear Materials Vol.283-287, pp.1187-1191 2000年  

Arata Nishimura, Takuya Nagasaka, Noriyuki Inoue, Takeo Muroga and Chusei Namba, "Low Cycle Fatigue Properties of a Low Activation Ferritic Steel(JLF-1)at Room Temperature," 

Journal of Nuclear Materials Vol.283-287, pp.677-680 2000年  

Takeo Muroga, Takuya Nagasaka, Atsuo Iiyoshi, Akio Kawabata, Seiji Sakurai and Masafumi Sakata, "NIFS Program for Large Ingot Production of a V-Cr-Ti Alloy," 

Journal of Nuclear Materials Vol.283-287, pp.711-715 2000年  

Takuya Nagasaka, Hiroyuki Takahashi, Takeo Muroga, Tetsuo Tanabe and Hideki Matsui, "Recovery and Recrystallization Behavior of Vanadium at Various Controlled Nitrogen and Oxygen Levels," 

Journal of Nuclear Materials Vol.283-287, pp.816-821 2000年  

Takuya Nagasaka, Hiroo Yoshida, Ken-ichi Fukumoto, Takuya Yamamoto and Hideki Matsui, "Mechanical Property of a High-Purity Fe-9Cr-2W-0.1C Model Alloy for Low-Activation Ferritic Steels for Fusion Reactors," 

Materials Transactions, JIM 41, pp.170-177 2000年  

Takaya Nagasaka, Tamaki Shibayama, Hideo Kayano, Akira Hasegawa and Katsunori Abe, "Effect of Several Impurity Additions on Microstructural Evolution in High-Purity Fe-9Cr Ferritic Alloys after Helium Implantation," 

physica status solidi(a) 167, pp.335-346 1998年