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Koichi Taniguchi, Teruki Sadasue, Satoshi Igi, Rinsei Ikeda, Shigeru E ...
Session ID: 101
Published: 2011
Released on J-STAGE: November 09, 2011
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We evaluated the effect of HAZ hardness distribution on stress concentration at nugget by FEM and revealed that HAZ is softend by pulsed current pattern which repeats short pausing time and welding time after main welding cycles and it improves cross tensile strength of high strength steel sheets of 980MPa and 1180MPa grade.
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Keiji Sonoya, Kazuyoshi Ishida, Masanobu Nakamura, Hiromitu Sunahara, ...
Session ID: 102
Published: 2011
Released on J-STAGE: November 09, 2011
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Chikaumi Sawanishi, Tomo Ogura, Koichi Taniguchi, Rinsei Ikeda, Shiger ...
Session ID: 103
Published: 2011
Released on J-STAGE: November 09, 2011
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Kaoru SHIBATA, Mitsutaka IGAUE, Yushi AOKI
Session ID: 104
Published: 2011
Released on J-STAGE: November 09, 2011
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Yuji Iwasaki, Hiroshige Inoue, Shigeo Fukumoto
Session ID: 105
Published: 2011
Released on J-STAGE: November 09, 2011
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Toshiya IKEGAMI, Takahisa YAMAZAKI, Toshi-Taka IKESYOJI, Akio SUZUMURA
Session ID: 106
Published: 2011
Released on J-STAGE: November 09, 2011
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HIROYUKI HIRATA, KAZUHIRO OGAWA, HIROYUKI OGIWARA, KAZUYOSHI SAIDA, KA ...
Session ID: 107
Published: 2011
Released on J-STAGE: November 09, 2011
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Yuta Honma, Rinzou Kayano, Ken Yamashita, Mikihiro Sakata
Session ID: 108
Published: 2011
Released on J-STAGE: November 09, 2011
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Evaluation of Hot Cracking Susceptibility on Large Scaled Cast Steel Part for Construction Machinery during GMA Welding (1st Report)
Kenji Shinozaki, Motomichi Yamamoto, Kota Kadoi, Kengo Hyoma, Hikaru Y ...
Session ID: 109
Published: 2011
Released on J-STAGE: November 09, 2011
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-Evaluating Critical Strain of Occurrence of Solidification Cracking-
Masatoshi TOKUNAGA, Hiroki FUJIMOTO, Masato UCHIHARA, Masanori YASUYAM ...
Session ID: 110
Published: 2011
Released on J-STAGE: November 09, 2011
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Kazuyoshi Saida, Kousuke Bunda, Yuki Nomoto, Hiroyuki Ogiwara, Kazutos ...
Session ID: 111
Published: 2011
Released on J-STAGE: November 09, 2011
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Mirocracking in laser clad welds of alloy 690 was predicted by correlating the DTR with the thermal strain. The DTR in laser welding was estimated from the grain boundary segregation of P and S, and thermal strain was analyzed by FEM analysis. Ductility-dip cracking in laser clad welds could be successfully predicted when the filler metal composition and laser welding condition were varied.
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Development of numerical model to predict of HAZ cracking susceptibility on fully austenitic high alloy steel(Report 5)
KANA JOUTOKU, TAKAHIRO OSUKI, HIROYUKI HIRATA, KAZUHIRO OGAWA
Session ID: 112
Published: 2011
Released on J-STAGE: November 09, 2011
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takaaki matsuoka, hiroto yamaoka, daisuke abe, kenji hirano
Session ID: 113
Published: 2011
Released on J-STAGE: November 09, 2011
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-Study of joint strength and failure position of dissimilar joint-
Toru Okada, Hideki Ueda, Masanori Yasuyama, Masato Uchihara, Kiyoyuki ...
Session ID: 114
Published: 2011
Released on J-STAGE: November 09, 2011
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strength evaluation of dissimilar joint using FE analysis
Hideki Ueda, Tohru Okada, Eisuke Nakayama
Session ID: 115
Published: 2011
Released on J-STAGE: November 09, 2011
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Recently, the boron steel is put to practical use, in order to reduce the body weight and improve crashworthiness. In the present study, the strength evaluation of spot welded dissimilar joint using the finite element (FE) analysis method is discussed.
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Tsubasa Murakami, Jippei Suzuki, Hiroshi Kawakami, Hitoshi Ozaki
Session ID: 116
Published: 2011
Released on J-STAGE: November 09, 2011
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This study has experimentally revealed the temperature dependences of the strength and the electric resistivity of the SPCC and SUS304 steels, and discussed the real resistance of works during the spot resistance welding.
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Yasuaki Okita, Rinsei Ikeda, Shigeru Endo, Victor Hugo Baltazar Hernan ...
Session ID: 117
Published: 2011
Released on J-STAGE: November 09, 2011
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shinobu satonaka, chihiro iwamoto, fuminori watanabe, hideki hamatani, ...
Session ID: 118
Published: 2011
Released on J-STAGE: November 09, 2011
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(Report1) Elastic-plastic analysis by virtual crack extension method
Fuminori Watanabe, Hideki Hamatani, Yasunobu Miyazaki, Tetsurou Nose
Session ID: 119
Published: 2011
Released on J-STAGE: November 09, 2011
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(Report2) Development of fracture toughness evaluation for resistance spot welded joint
Fuminori Watanabe, Hideki Hamatani, Yasunobu Miyazaki, Tetsurou Nose
Session ID: 120
Published: 2011
Released on J-STAGE: November 09, 2011
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HIDEKI HAMATANI, FUMINORI WATANABE, YASUNOBU MIYAZAKI, JYUN MAKI, HATS ...
Session ID: 121
Published: 2011
Released on J-STAGE: November 09, 2011
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-Participation mechanism of yield stress and electric conductivity to nugget formation-
GEN MURAYAMA, HATSUHIKO OIKAWA, YASUNOBU MIYAZAKI
Session ID: 122
Published: 2011
Released on J-STAGE: November 09, 2011
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Teruki Sadasue, Koichi Taniguchi, Yasushi Morikage, Satoshi Igi, Rinse ...
Session ID: 123
Published: 2011
Released on J-STAGE: November 09, 2011
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We developed finite element model to analyze fracture mechanism of spot-welded cross tensile specimen of high strength steel sheets. We clarified that high stress intensity factor in nugget leads to interfacial fracture and high equivalent plastic strain in BM pr HAZ leads to plug fracture.
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Kengo Usui, In Su Woo, Hidekazu Murakawa
Session ID: 124
Published: 2011
Released on J-STAGE: November 09, 2011
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The formation of the nugget is influenced by various factors, such as the current and the squeezing force. In this research, the electrode shape, the resistivity and the contact resistance are selected and their influence on the nugget formation is numerically studied using FEM.
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Yasuaki NAITO, Gen Murayama, Yasunobu Miyazaki
Session ID: 125
Published: 2011
Released on J-STAGE: November 09, 2011
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Hitomi Nishibata, Masato Uchihara, Masanori Yasuyama
Session ID: 126
Published: 2011
Released on J-STAGE: November 09, 2011
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Single-sided resistant spot welding without backing support is expected to be one of the productive technologies to join hollow parts and sheet panels together. In this research, we have tried to increase welded nugget by multi-pluses welding in the case upper sheet is thick.
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Tomoya Niho, Yusuke Morita, Tomoyoshi Horie, Daisuke Yamakawa, Shinji ...
Session ID: 127
Published: 2011
Released on J-STAGE: November 09, 2011
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TATSUYA SAKIYAMA, YASUNOBU MIYAZAKI
Session ID: 128
Published: 2011
Released on J-STAGE: November 09, 2011
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Seiji Furusako, Shinji Kodama, Yasunobu Miyazaki
Session ID: 129
Published: 2011
Released on J-STAGE: November 09, 2011
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Takashi Yamaguchi, Hiroshi Kawakami, Hitoshi Ozaki, Jippei Suzuki
Session ID: 130
Published: 2011
Released on J-STAGE: November 09, 2011
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Cyclic motion control was applied to the bonding surface for the fracture of oxide film on the surface. Oxide film prevents from bonding on Al bonding. Because the cyclic motion control program was investigated to obtain large bonding area in this study.
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Takunori Utani, Tomiko Yamaguchi, Kazumasa Nishio
Session ID: 131
Published: 2011
Released on J-STAGE: November 09, 2011
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TSUGUO HONDA, HIRONORI KUROKI, TOMIKO YAMAGUCHI, KAZUMASA NISHIO
Session ID: 132
Published: 2011
Released on J-STAGE: November 09, 2011
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Hidenobu Gonda, Yasuhiro Shirai, Osamu Ohashi, Toshiaki Yasui, Masahir ...
Session ID: 133
Published: 2011
Released on J-STAGE: November 09, 2011
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Jeong Kil Kim
Session ID: 201
Published: 2011
Released on J-STAGE: November 09, 2011
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The precipitation and segregation phenomenon in a type 409L Ti-stabilized 11 wt% Cr ferritic stainless steel has been investigated using a transmission electron microscopy and a laser assisted three-dimensional atom probe. In solution treated and aged specimens, a strong segregation and consequent depletion of Cr was observed as well as segregation of C and Ti atoms along the grain boundary. The reason for the Cr segregation and the way to avoid such segregation is discussed.
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Mariko Ikeshoji, Gouki Yamada, Kouhei Kurihara, Hiroyuki Kokawa, Yutak ...
Session ID: 202
Published: 2011
Released on J-STAGE: November 09, 2011
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Yuji Satoh
Session ID: 203
Published: 2011
Released on J-STAGE: November 09, 2011
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Yuji Satoh, Yasuhiro Araki, Naoto Egawa, Takashi Saito
Session ID: 204
Published: 2011
Released on J-STAGE: November 09, 2011
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wei xie, tomiko yamaguchi, kazumasa nishio
Session ID: 205
Published: 2011
Released on J-STAGE: November 09, 2011
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INSU WOO
Session ID: 206
Published: 2011
Released on J-STAGE: November 09, 2011
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Junya YAMADA, Masamitsu ABE, Mitsuyoshi NAKATANI, Toshio TERASAKI
Session ID: 207
Published: 2011
Released on J-STAGE: November 09, 2011
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Hiroyuki OGIWARA, Yoshiyuki KOBAYASHI, Hiroaki MORI, Rinzo KAYANO, Kaz ...
Session ID: 208
Published: 2011
Released on J-STAGE: November 09, 2011
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Kazuyoshi Saida, Norihiko Araki, Hiroyuki Ogiwara, Hiroaki Mori, Kazut ...
Session ID: 209
Published: 2011
Released on J-STAGE: November 09, 2011
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Retention of austenite in multipass weld metals of triplex stainless steels was modeled by considering the inverse phase transformation of martensite to austenite. The amounts of retained austenite in multiply-reheated weld metals were nearly consistent with measured ones. It follows that austenite retention could be predicted during multipass welding.
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MAMAT SARIZAM BIN, HIDENORI TERAZAKI, YUICHI KOMIZO
Session ID: 210
Published: 2011
Released on J-STAGE: November 09, 2011
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Atsushi Takada, Hidenori Terasaki, Yu-ichi Komizo, Yoshiaki Murakami, ...
Session ID: 211
Published: 2011
Released on J-STAGE: November 09, 2011
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NAOTO FUJIYAMA, KAZUHIRO OGAWA, HIROYUKI HIRATA, TAKAHIRO OSUKI
Session ID: 212
Published: 2011
Released on J-STAGE: November 09, 2011
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hidenori terasaki, hideki yamagishi, koji moriguchi, yusaku tomio, yu- ...
Session ID: 213
Published: 2011
Released on J-STAGE: November 09, 2011
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Formation mechanism of weld defect
Toshiaki Yasui, Yoichiro Shimoda, Ichinori Shigematsu, Kazuki Tani, To ...
Session ID: 214
Published: 2011
Released on J-STAGE: November 09, 2011
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Quality Assurance of Friction Stir Welds
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Influence of tool temperature at fluidization phenomenon occurred in FSW process
kazuki tani, toshiaki yasui, yohichiroh shimoda, ichinori shigematsu, ...
Session ID: 215
Published: 2011
Released on J-STAGE: November 09, 2011
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Non destructive Inspection for the detection of defects in friction stir welds
Ichinori Shigematsu, Yuichiro Yamamoto, Naoki Imai, Takahiko Nomira, T ...
Session ID: 216
Published: 2011
Released on J-STAGE: November 09, 2011
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Prediction of fatigue life based on non destructive inspection
Eisuke Kondoh, Ichinori Shigematsu, Takahiko Nomura, Yuichiro Yamamoto ...
Session ID: 217
Published: 2011
Released on J-STAGE: November 09, 2011
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