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Miyakawa, Susumu*; Ito, Toshimasa*; Iwahori, Keisuke*; Aoyama, Yoshihiko*; Kubo, Ryosuke*; Murata, Shinji*; Shobu, Takahisa; Shiro, Ayumi*; Kajiwara, Kentaro*
Zairyo, 69(4), p.308 - 314, 2020/04
White etching area which looks white with nital corrosive liquid may be recognized at the flaking part of a rolling bearing on which high contact stress of several GPa is applied repeatedly. Up to now, studies of white etching area of a ball have been less than studies of white etching area of inner and outer rings. In this study, as part of the flaking mechanism explication with white etching area of a ball, internal residual stress distributions of ball by using high energy white X-ray of SPring-8 (A method) and laboratorial X-ray measurement equipment (B method) were investigated. The former was modified by surface residual stress according to B method. The latter was modified by releasing stress in the form of electrolytic polishing. The results showed modified residual stress distributions almost agree qualitatively.
Nishikino, Masaharu; Kawachi, Tetsuya; Hasegawa, Noboru; Ishino, Masahiko; Minami, Yasuo*; Suemoto, Toru*; Onishi, Naofumi*; Ito, Atsushi*; Sato, Katsutoshi*; Faenov, A.*; et al.
X-Ray Lasers and Coherent X-Ray Sources; Development and Applications XI (Proceedings of SPIE, Vol.9589), p.958902_1 - 958902_7, 2015/09
Hasegawa, Noboru; Nishikino, Masaharu; Tomita, Takuro*; Onishi, Naofumi*; Ito, Atsushi*; Eyama, Tsuyoshi*; Kakimoto, Naoya*; Izutsu, Rui*; Minami, Yasuo*; Baba, Motoyoshi*; et al.
X-Ray Lasers and Coherent X-Ray Sources; Development and Applications XI (Proceedings of SPIE, Vol.9589), p.95890A_1 - 95890A_8, 2015/09
Times Cited Count：1 Percentile：55.4(Optics)We have improved a soft X-ray laser (SXRL) interferometer synchronized with a Ti:Sapphire laser pulse to observe the single-shot imaging of the nano-scaled structure dynamics of the laser induced materials. By the precise imaging optics and double time fiducial system having been installed, the lateral resolution on the sample surface and the precision of the temporal synchronization between the SXRL and Ti:Sapphire laser pulses were improved to be 700 nm and 2 ps, respectively. By using this system, the initial stage (before 200 ps) of the ablation process of the Pt surface pumped by 80 fs Ti:Sapphire laser pulse was observed by the comparison between the soft X-ray reflective image and interferogram. We have succeeded in the direct observation of the unique ablation process around the ablation threshold such as the rapid increase of the surface roughness and surface vibration.
Hasegawa, Noboru; Tomita, Takuro*; Nishikino, Masaharu; Eyama, Tsuyoshi*; Kakimoto, Naoya*; Minami, Yasuo*; Baba, Motoyoshi*; Onishi, Naofumi*; Ito, Atsushi*; Kawachi, Tetsuya; et al.
JAEA-Conf 2015-001, p.17 - 20, 2015/07
We have succeeded in simultaneous observation of the ablation front and the expansion front with thin filmy structure in the femto-second laser ablation process of a gold target by using the 13.9 nm soft X-ray probe (incident angle to the sample 
70 deg) with soft X-ray interferometer. The dependence on the laser local fluence and materials was obtained by the comparison between gold and tungsten.
Nishikino, Masaharu; Hasegawa, Noboru; Tomita, Takuro*; Eyama, Tsuyoshi*; Kakimoto, Naoya*; Onishi, Naofumi*; Ito, Atsushi*; Baba, Motoyoshi*; Minami, Yasuo*; Kawachi, Tetsuya; et al.
Reza Gakkai Dai-471-Kai Kenkyukai Hokoku; Tanhacho Ryoshi Bimu Hassei To Sono Oyo, p.9 - 12, 2014/12
no abstracts in English
Takeda, Masayasu; Yamazaki, Dai; Soyama, Kazuhiko; Maruyama, Ryuji; Hayashida, Hirotoshi; Asaoka, Hidehito; Yamazaki, Tatsuya; Kubota, Masato; Aizawa, Kazuya; Arai, Masatoshi; et al.
Chinese Journal of Physics, 50(2), p.161 - 170, 2012/04
Ito, Yoshiyuki; Kondo, Toshiyuki; ;
PRESENTATION 52-2, 0 Pages, 2001/00
None
Yamauchi, Toshihiko; Minehara, Eisuke; Kikuzawa, Nobuhiro; Hayakawa, Takehito; Sawamura, Masaru; Nagai, Ryoji; Nishimori, Nobuyuki; Hajima, Ryoichi; Shizuma, Toshiyuki; Kamei, Yasutaka*; et al.
Kankyo Kagakkai-Shi, 13(3), p.383 - 390, 2000/09
no abstracts in English
Takeda, Toshikazu*; Ito, Noboru*; Kugo, Teruhiko*; Takamoto, Masanori*; Aoki, Shigeaki*; Kawagoe, Yoshihiro*; Sengoku, Katsuhisa*; Tanaka, Motonari*; Yoshimura, Akira*; Tamitani, Masashi*; et al.
PNC TJ2605 89-001, 251 Pages, 1989/03
no abstracts in English
Takeda, Toshikazu*; Unesaki, Hironobu*; Kurisaka, Kenichi*; Sakuma, Hiroomi*; Shimoda, Masayuki*; Ito, Noboru*; Kugo, Teruhiko*; Aoki, Shigeaki*; Uto, Nariaki*; Tanaka, Motonari*
PNC TJ2605 88-001, 230 Pages, 1988/03
no abstracts in English
Takeda, Toshikazu*; Unesaki, Hironobu*; Nakano, Makoto*; Arakawa, Yasushi*; Sakuma, Hiroomi*; Kurisaka, Kenichi*; Ito, Noboru*; Oe, Takashi*; Yamaguchi, Yoshiharu*
PNC TJ2605 87-001, 204 Pages, 1987/03
no abstracts in English
; Tone, Tatsuzo; ; ; ; ; ; ; ; ; et al.
JAERI-M 85-179, 454 Pages, 1986/01
no abstracts in English
; Tone, Tatsuzo; ; ; ; ; ; ; ; ; et al.
JAERI-M 85-178, 872 Pages, 1985/12
no abstracts in English
; Tone, Tatsuzo; ; ; ; ; ; ; ; ; et al.
JAERI-M 85-177, 908 Pages, 1985/12
no abstracts in English
; Tone, Tatsuzo; ; ; ; ; ; ; ; ; et al.
JAERI-M 85-176, 86 Pages, 1985/11
no abstracts in English
; ; ; ; Seki, Masahiro; *; *; *; *; *; et al.
JAERI-M 85-083, 403 Pages, 1985/07
no abstracts in English
*; ; ; Tone, Tatsuzo;
JAERI-M 85-079, 43 Pages, 1985/07
no abstracts in English
; ; ; ; ; Seki, Masahiro; *; *; *
JAERI-M 85-073, 57 Pages, 1985/07
no abstracts in English
*; *; ; ; ; ; ; ; *; ; et al.
JAERI-M 7043, 27 Pages, 1977/04
no abstracts in English
; *; ; ; ;
Japanese Journal of Applied Physics, 13(5), p.851 - 854, 1974/05
Times Cited Count：4no abstracts in English
