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Wei XIE, Sho HIRAMOTO, Tomiko YAMAGUCHI, Kazumasa NISHIO, Daichi ISHIM ...
Session ID: 151
Published: 2010
Released on J-STAGE: November 09, 2010
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Yushi Aoki, Kaoru Shibata, Mitsutaka Igaue
Session ID: 152
Published: 2010
Released on J-STAGE: November 09, 2010
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Zhongjie LIU, Norihito Takahashi, Tomoyuki Ueyama, shugo Hirota
Session ID: 201
Published: 2010
Released on J-STAGE: November 09, 2010
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Futoshi NISHISAKA, Tetsuo ERA, Kosaku YAMAGUCHI, Toshiro UEZONO, Tomoy ...
Session ID: 202
Published: 2010
Released on J-STAGE: November 09, 2010
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Muneharu Kutsuna, Takaaki Murakami
Session ID: 203
Published: 2010
Released on J-STAGE: November 09, 2010
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Small two-piece contact tip was developed. The welding Performace ofthe tip in welding of SS400 crbon steel plate(t=9mm) was conduted.
The result showed that the welding current stability was exellent and
the life of tip was about 8hours.
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yoshihiro yamaguchi, kazuki yoshida, yoshihiko uesugi, yasunori tanaka
Session ID: 204
Published: 2010
Released on J-STAGE: November 09, 2010
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We observed arc phenomena on an electrode using a nozzle with observation windows.
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toshiaki fujita, makoto yuda
Session ID: 205
Published: 2010
Released on J-STAGE: November 09, 2010
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The electroslag welding is a high-efficiency welding, and it is adopted standard in the production of the box pillar of an architectural steel frame.
This report is one of the experimentation of this electroslag welding for a decrease in the heat input,and explains the influence of the penetration by controlling the aiming points.
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The case of the MIG welding of aluminium alloy
nobuyuki Fujii, shinji Saito, Naoya Tomonaga
Session ID: 206
Published: 2010
Released on J-STAGE: November 09, 2010
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Hiroyuki OTSUKA, Hidenori TERASAKI, Yu-ichi KOMIZO
Session ID: 207
Published: 2010
Released on J-STAGE: November 09, 2010
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Weld qualification by digital signal analysis was established. This method analyzes arc voltage and weld current waveform measured at high sampling rate and evaluates weld quality during welding. This in-process-monitoring approach was applied to gas shield arc welding and clarified utility for poor weld detection.
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Naoki Seto, Shingo Hirose, Kazuo Mori
Session ID: 208
Published: 2010
Released on J-STAGE: November 09, 2010
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In laser welding, welding condition tuning is important skill to perform good welding without defects. However, it is not cleared that which parameter is effective for good welding. In this study therefore, We investigated welding condition tuning using Analytic Hierarchy Process (AHP) has been widely used for the decision-making method. And we compared the result and experience of laser welding operator. The result is good corresponding to operator's experience.
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Taisei WAKISAKA, Takanori SUZUKI, Shuhei WATANABE, Kazuhiro NAKATA
Session ID: 209
Published: 2010
Released on J-STAGE: November 09, 2010
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Laser brazing of aluminum alloy and galvannealed steel using zinc alloy filler wire that added silicon was performed.We report the reaction layer between steel and brazing metal,the strength of this dissimiler joint.
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Yoshihisa Sechi, Kazuhiro Nakata
Session ID: 210
Published: 2010
Released on J-STAGE: November 09, 2010
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An investigation has been carried out about dissimilar laser brazing of single crystal diamond and tungsten carbide using Ag-Cu-Ti alloy braze. At the interface between single crystal diamond and Ag-Cu-Ti alloy braze, it is presumed that Ti react with diamond.
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Yasuyuki Miyazawa, Masashi Sekine, Yasuo Miyamoto, Tadashi Ariga
Session ID: 211
Published: 2010
Released on J-STAGE: November 09, 2010
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In this study, sapphire was brazed to Inconel 600 by brazing technology with using activated brazing filler metal. And brazing-ability was investigated to recognize interfacial reaction and joining mechanism. Joining-ability was estimated by shear strength, cross-sectional microstructure observation and elemental distributions with using EPMA examinations.
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Tetsutaro A, Toshi-Taka Ikeshoji, Akio Suzumura, Takahisa Yamazaki
Session ID: 212
Published: 2010
Released on J-STAGE: November 09, 2010
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The cross-ply carbon/carbon composites are brazed to Titanium alloy with Ag-Cu-Ti active brazing filler metal. The C/C composites are (0/90) cross-ply laminated composites, (45/45) composites and (30/60) composites. Its cross section of lamination is brazed to Titanium alloy. For the braze joint, the tensile rupture test is conducted. And the interface was examined using SEM and optical micrograph.
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Fumitaka Otsubo, Hidenori Era
Session ID: 213
Published: 2010
Released on J-STAGE: November 09, 2010
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Takahiro HAMAO, Tomiko YAMAGUCHI, Hiroshi OHTANI, Kazumasa NISHIO, Ats ...
Session ID: 214
Published: 2010
Released on J-STAGE: November 09, 2010
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TAKUMI KODAMA, MASAKATSU MAEDA, YASUO TAKAHASHI
Session ID: 215
Published: 2010
Released on J-STAGE: November 09, 2010
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Shumpei Ozawa, Suguru Takahashi, Shoji Suzuki, Taketoshi Hibiya, Hiroy ...
Session ID: 216
Published: 2010
Released on J-STAGE: November 09, 2010
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Shun Izutani, Yushi Sawada, Reiichi Suzuki, Hirohisa Watanabe
Session ID: 217
Published: 2010
Released on J-STAGE: November 09, 2010
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YIMIN YUAN, KEI YAMAZAKI, REIICHI SUZUKI
Session ID: 218
Published: 2010
Released on J-STAGE: November 09, 2010
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TADAHISA TSUYAMA
Session ID: 219
Published: 2010
Released on J-STAGE: November 09, 2010
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I confirmed mechanical performance of CO2 weld metal using Hot wire. As a result, tensile strength increased and toughness declined in comparison with it without the Hot Wire. The number of passes and arc time reduced 40%.
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Shuhei Kanemaru, Tomoaki Sasaki, Toyoyuki Sato
Session ID: 220
Published: 2010
Released on J-STAGE: November 09, 2010
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TERUMI NAKAMURA, KAZUO HIRAOKA
Session ID: 221
Published: 2010
Released on J-STAGE: November 09, 2010
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Michio Yamaguchi, Takeshi Suzuki, Kazumi Hayasaka
Session ID: 222
Published: 2010
Released on J-STAGE: November 09, 2010
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Taro Takada, Yasuyoshi Kaneko, Satoshi Yamane, Kenji Oshima
Session ID: 223
Published: 2010
Released on J-STAGE: November 09, 2010
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For high-quality thin plate welding of magnesium, it is important to obtain a stable arc. A stable arc can be obtained using pulse current method or switchback welding method. The present paper shows the validity of the switchback method by some experiments.
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Katsumasa UJI, Satoshi YAMANE, Yasuyoshi KANEKO, Kenji OSHIMA
Session ID: 224
Published: 2010
Released on J-STAGE: November 09, 2010
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TSUYOSHI KATO, KAZUO AOYAMA, HIROYUKI TAKEBAYASHI, TATSUYA OODAKE, TET ...
Session ID: 225
Published: 2010
Released on J-STAGE: November 09, 2010
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Water wheel runner is representative of a large structure. However, the automatic welding is difficult. It is because the weld line is changed in three dimensions. Therefore, we have produced in manual welding. We developed groove shapes sensor with automatic welding system, applied to the actual water wheel runner.
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Weldability of Extra High-Purity Corrosion-Resistant Alloys (Part 5)
Kazuyoshi Saida, Yasushi Nishijima, Kazutoshi Nishimoto, Kiyoshi Kiuch ...
Session ID: 226
Published: 2010
Released on J-STAGE: November 09, 2010
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The solidification cracking susceptibility of extra high-purity type 310 stainless steels was influenced in the contribution ratio of P:S:C=1:1.3:0.5, and that Mn negligibly influenced it. Mn rendered S harmless by stabilizing it as MnS in the remaining liquid phase, and accordingly the apparent contribution of S to the solidification cracking susceptibility would be less than that of P.
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HIROYUKI HIRATA, KAZUHIRO OGAWA, HIROKAZU OKADA, MITSURU YOSHIZAWA, AT ...
Session ID: 227
Published: 2010
Released on J-STAGE: November 09, 2010
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Development of prevention of weld crack of high alloyed steel with high Phosphorus (2)
Takahiro Osuki, Hirokazu Okada, Kana Joutoku, Kazuhiro Ogawa
Session ID: 228
Published: 2010
Released on J-STAGE: November 09, 2010
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Development of numerical model to predict of HAZ cracking susceptibility on fully austenitic high alloy steel(Report 3)
KANA JOUTOKU, TAKAHIRO OSUKI, KAZUHIRO OGAWA
Session ID: 229
Published: 2010
Released on J-STAGE: November 09, 2010
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Masaki Shimamoto, Yukinobu Natsume, Hitoshi Ishida, Tomonori Kakizaki, ...
Session ID: 230
Published: 2010
Released on J-STAGE: November 09, 2010
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-Solidification Cracking in Laser Welding Close to Edge of Steel Sheet-
Masatoshi TOKUNAGA, Hiroki FUJIMOTO, Masanori YASUYAMA, Masato UCHIHAR ...
Session ID: 231
Published: 2010
Released on J-STAGE: November 09, 2010
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Solidification cracking was observed in laser welds close to the edge of low carbon steel sheets. In this report, the influencing factors of this cracking was studied and considered. It was shown solidification cracking susceptibility differed in materials and welding position.
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Hidenori Terasaki, Koji Moriguchi, Yu-ichi Komizo
Session ID: 232
Published: 2010
Released on J-STAGE: November 09, 2010
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Hajime Itoh, Yoshihiro Terashita, Mitsumasa Tatsumi, Ryu-ichi Yamamoto ...
Session ID: 233
Published: 2010
Released on J-STAGE: November 09, 2010
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NAOYA HAYAKAWA, KOJI YANO, FUMIMARU KAWABATA, SHIGERU ENDO, SHIGEKI NI ...
Session ID: 234
Published: 2010
Released on J-STAGE: November 09, 2010
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NORIYOSHI KUBOTA, YOSHIKI MIKAMI, MASAHITO MOCHIZUKI
Session ID: 235
Published: 2010
Released on J-STAGE: November 09, 2010
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Behavior of hydrogen diffusion and discharge in high strength weld metal was studied by hydrogen diffusion analysis considering weld thermal cycle phase transformation and residual stress. The effect of transformation expansion and retained austnite on hydrogen diffusion was discussed.
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Hiroaki Mori, Norihiko Araki, Yoshiyuki Kobayashi, Kazutoshi Nishimoto
Session ID: 236
Published: 2010
Released on J-STAGE: November 09, 2010
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Diffusion and concentration of hydrogen in 2.25Cr-1Mo steel overlay-welded type 347 stainless steel was numerically analyzed through the overlay welding, dehydrogen treatment, post weld heat treatment, service operation and shut down processes. The hydrogen distribution in welds could be visualized by computer simulation.
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Influence of Dehydrogenation Heat Treatment on Hydrogen Distribution in Multi-layer Welds of Cr-Mo-V Steel (Report 1)
Mitsuyoshi Nakatani, Masamitsu Abe, Naomi Namatame, Toshio Terasaki
Session ID: 237
Published: 2010
Released on J-STAGE: November 09, 2010
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Influence of Dehydrogenation Heat Treatment on Hydrogen Distribution in Multi-layer Welds of Cr-Mo-V Steel (Report 2)
Masamitsu Abe, Mitsuyoshi Nakatani, Naomi Namatame, Toshio Terasaki
Session ID: 238
Published: 2010
Released on J-STAGE: November 09, 2010
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Nobuyuki Ishikawa, Hitoshi Sueyoshi
Session ID: 239
Published: 2010
Released on J-STAGE: November 09, 2010
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HIROHISA TANABE, MASAHIKO HAMADA, HIROYUKI HIRATA, KAZUHIRO OGAWA
Session ID: 240
Published: 2010
Released on J-STAGE: November 09, 2010
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PENG HAN, Makoto Ota, Kojiro Nakanishi
Session ID: 241
Published: 2010
Released on J-STAGE: November 09, 2010
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Daisuke ABE, Takaaki MATSUOKA, Keiji KUBUSHIRO
Session ID: 242
Published: 2010
Released on J-STAGE: November 09, 2010
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YOSHIHIRO SAKINO, YUUJI SANO, KENICHI YOSHIKAWA, YOU-CHUL KIM
Session ID: 243
Published: 2010
Released on J-STAGE: November 09, 2010
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Jae-Yik Lee, Sung Woo Im
Session ID: 244
Published: 2010
Released on J-STAGE: November 09, 2010
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Tetsuya Tagawa, Yohei Katsuragi, Takeshi Shinoda, Fumiyoshi Minami
Session ID: 245
Published: 2010
Released on J-STAGE: November 09, 2010
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Detection of Crack Initiation and Monitoring of Crack Propagation by FSM (III)
Mikihito HIROHATA, Kentarou OKU, Masahiko KITAZAWA, You-Chul KIM
Session ID: 246
Published: 2010
Released on J-STAGE: November 09, 2010
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Applicability of FSM has been investigated for detection and monitoring of fatigue crack in steel structure. In this paper, a series of experiments and analyses were conducted to judge and evaluate whether fatigue cracks were contained or not in existing steel structures by FSM.
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Masaki Okane, Takaaki Shimizu, Toshiaki Yasui, Masahiro Fukumoto, Kata ...
Session ID: 247
Published: 2010
Released on J-STAGE: November 09, 2010
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Yasuhito Takashima, Mitsuru Ohata, Fumiyoshi Minami, Hiroto Yamaoka, K ...
Session ID: 248
Published: 2010
Released on J-STAGE: November 09, 2010
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