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TOSHI-TAKA IKESHOJI, NARIAKI KUNIKA, AKIO SUZUMURA, TAKAHISA YAMAZAKI
Session ID: 101
Published: 2010
Released on J-STAGE: June 24, 2010
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Authors have shown the joint strength of C/C composites and titanium brazed joint with variation in the comiplation direction of plies. When the brazing interface paralell to the ply's surface, the joint strength was low, and to the contrary, the brazing interface perpendicular to the ply's surface had high joint strength. In this report, the effect of the long fiber direction in the ply to the joint interface is investigated.
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TETSUTARO AMANUMA, TOSHI-TAKA IKESHOJI, AKIO SUZUMURA, TAKAHISA YAMAZA ...
Session ID: 102
Published: 2010
Released on J-STAGE: June 24, 2010
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The large scale liquid fuel rocket engin's nozzle skirt assemble is a pipe structure manufactured by brazing of pipes. The four-pipe brazed specimen is used to investigate the pipe-brazed joint strength. The influence of the gap between pipes in the brazed joint is evaluated by the finite elemnt analysis and the tensile fracture tests.
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TAKASHI UENO, TOSHI-TAKA IKESHOJI, AKIO SUZUMURA, TAKAHISA YAMAZAKI
Session ID: 103
Published: 2010
Released on J-STAGE: June 24, 2010
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In-the-air brazing of SUS304 stainless steel and alumimum is disturbed by the strong oxide film on the stainless steel. The zinc chloride in the flux is utilized to break this oxide film on the stainless steel in the short time. In this report, the influence of zinc chloride concentration in the flux is investigated by wetting test of Al-Si brazing filler on the stainless steel.
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Akira Kobayashi, Toshio Kuroda, Hisamichi Kimura, Akihisa Inoue
Session ID: 104
Published: 2010
Released on J-STAGE: June 24, 2010
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yuta maeno, mitsuru nakamura, Takashi Umemura
Session ID: 105
Published: 2010
Released on J-STAGE: June 24, 2010
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Diffusion Bonding between cBN Ceramics and Cemented Carbides.
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Toshiya Shibayanagi, Kenzo Mizushima, Shyuhei Yoshikawa, Makoto Takaha ...
Session ID: 106
Published: 2010
Released on J-STAGE: June 24, 2010
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Deformation mode of high purity aluminum during friction stir spot welding was analyzed by means of a combined measurement system of load cell and thermocouple. The estimated flow stress around the rotating pin was 21MPa and the strain rate were estimated as 1.4 s-1 at a welding temperature of 216 degree C. These values were plotted in the deformation map produced by M.F.Ashby, and the deformation mode of the present material was in the range of dynamic recrystallization.
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Yoshihiko Uematsu, Keiro Tokaji, Yasunari Tozaki
Session ID: 107
Published: 2010
Released on J-STAGE: June 24, 2010
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KAZUKI TANI, TAKESHI SHINODA, YOHEI KATSURAGI
Session ID: 108
Published: 2010
Released on J-STAGE: June 24, 2010
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Dai NAKAMA, Kazuyoshi KATOH
Session ID: 109
Published: 2010
Released on J-STAGE: June 24, 2010
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Syouhei HORIE, Kenzi SHINOZAKI, Motomichi YAMAMOTO, Kouta KADOI, T.H. ...
Session ID: 110
Published: 2010
Released on J-STAGE: June 24, 2010
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Yutaka Sato, Atsuro Shiota, Hiroyuki Kokawa, Kazutaka Okamoto, Qi Yang ...
Session ID: 111
Published: 2010
Released on J-STAGE: June 24, 2010
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MASAYUKI AONUMA, KAZUHIRO NAKATA
Session ID: 112
Published: 2010
Released on J-STAGE: June 24, 2010
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Young Su Ji, Hidetoshi Fujii, Yufeng Sun, Koji Inada, Kazuhiro Nakata, ...
Session ID: 113
Published: 2010
Released on J-STAGE: June 24, 2010
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Zr based bulk metallic glass and pure Al was jointed below crystallization temperature by friction stir welding. The mechanical properties and microstructure of welded joints were analyzed. It was found that the amorphous structure and original mechanical properties were maintained.
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Masahiro FUKUMOTO, Katashi MIYAGAWA, Keitaro MIYAGAWA, Masami TSUBAKI, ...
Session ID: 114
Published: 2010
Released on J-STAGE: June 24, 2010
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In friction stir welding, material flow is the important factor within welding. In this study, material flow behavior between aluminum alloy and low carbon steel by friction stir spot welding was considered using Cu and Zn as the tracer.
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Hiroyuki Nishio, Takuya Tsumura, Kazuhiro Nakata, Masaki Ohara, Takano ...
Session ID: 115
Published: 2010
Released on J-STAGE: June 24, 2010
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Shuhei Yoshikawa, Kenzo Mizushima, Toshiya Shibayanagi, Makoto Takahas ...
Session ID: 116
Published: 2010
Released on J-STAGE: June 24, 2010
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Sergey Mironov, Yutaka Sato, Hiroyuki Kokawa
Session ID: 117
Published: 2010
Released on J-STAGE: June 24, 2010
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KENZO MIZUSHIMA, SHUHEI YOSHIKAWA, TOSHIYA SHIBAYANAGI, MAKOTO TAJAHAS ...
Session ID: 118
Published: 2010
Released on J-STAGE: June 24, 2010
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Hong Liu, Takuya Tsumura, kazuhiro Nakata, Naotsugu Yamamoto, Jinsun L ...
Session ID: 119
Published: 2010
Released on J-STAGE: June 24, 2010
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Friction stir lap joining of pure titanium under position control was carried out. Relationship between welding parameters and defect types and tensile property of the sound joints were investigated in detail. The sound joints with high failure loads were obtained at 250rpm and 75mm/min (200rpm and 50mm/min), and the fractures happened in the base metal.
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Tomoaki MIYAZAWA, Yuichi IWAMOTO, Tomohiro MARUKO, Hidetoshi FUJII
Session ID: 120
Published: 2010
Released on J-STAGE: June 24, 2010
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Yufeng Sun, Hidetoshi Fujii, Kazuhiro Nakata
Session ID: 121
Published: 2010
Released on J-STAGE: June 24, 2010
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Commercially pure Cu plates were friction stir welded with SiC powders. The microstructure can be refined by the addition of SiC powders, which acted as the nucleation site for the recrystallized Cu grains. No reactions between the copper and the SiC particles were detected. For 1 pass FSWed sample, hardness increased but with hardness drops in some localized areas. While hardness profile become uniform after 2 pass due to the homogenous distribution of SiC powders.
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Hirohito Hira, Toshiya Shibayanagi, ryouhei sugiyama
Session ID: 122
Published: 2010
Released on J-STAGE: June 24, 2010
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Hidetoshi Fujii, Koji Inada, Yufeng Sun, YoungSu Ji
Session ID: 123
Published: 2010
Released on J-STAGE: June 24, 2010
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When a large structure is friction stir welded, the gap can be a problem to generate defects. Generally, a smaller gap than 1mm is required. In this study, the friction powder stir processing has been developed to allow a structure with 3mm gap to be welded.
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Taichi Nishida, Tomo Ogura, Mitsuo Fujimoto, Akio Hirose
Session ID: 124
Published: 2010
Released on J-STAGE: June 24, 2010
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A cone-shaped A5056 stud bolt was friction-welded on to A5083 plate in the air. Joining at lower torque was enabled using the Zn insert. The nanoindentation measurement showed that the hardness was decreased in the Zn rich layer. Micro-tensile test showed that strength at the edge of the joint was higher than that at the center.
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naoto suzuki, mitsuru nakamura, kazuya hosaka
Session ID: 125
Published: 2010
Released on J-STAGE: June 24, 2010
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Friction Welding between SiC Grain Strengthening Al Alloy and Al Alloy for Casting Parts.
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Ryu-ichi YAMAMOTO, Yu-ichi KOMIZO, Yasuto FUKADA
Session ID: 126
Published: 2010
Released on J-STAGE: June 24, 2010
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Masaaki Kimura, Masahiro Kusaka, Koichi Kaizu
Session ID: 127
Published: 2010
Released on J-STAGE: June 24, 2010
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Tomokatsu Aizawa, Keigo Okagawa, Kazuo Matsuzawa
Session ID: 128
Published: 2010
Released on J-STAGE: June 24, 2010
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SHINJI KODAMA, YOSHINARI ISHIDA, KENICHI ASAI
Session ID: 201
Published: 2010
Released on J-STAGE: June 24, 2010
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TSUGUO HONDA, HIRONORI KUROKI, TOMIKO YAMAGUCHI, KAZUMASA NISIO
Session ID: 202
Published: 2010
Released on J-STAGE: June 24, 2010
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Toshiyuki HASEGAWA, Hitoshi MITOMI, Michinori OKUBO
Session ID: 203
Published: 2010
Released on J-STAGE: June 24, 2010
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Yuhei Yamamoto, Hidenori Terasaki, Yu-ichi Komizo, Sou Taniguchi
Session ID: 204
Published: 2010
Released on J-STAGE: June 24, 2010
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Ti alloy has been used for welded structures, but phase foremation during welding is not clear. Ti-6Al-4V was heated to the beat-phase and the phase formation was observed in different cooling rate using a high temperature laser scanning confocal microscopy.
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Wataru TAKAHARA
Session ID: 205
Published: 2010
Released on J-STAGE: June 24, 2010
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Kazuyoshi Saida, Akira Taniguchi, Yuki Nomoto, Kazutoshi Nishimoto
Session ID: 206
Published: 2010
Released on J-STAGE: June 24, 2010
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Microcraking susceptibility in dissimilar multipass welds of alloy 690 to type 316L stainless steel was investigated using the several different filler metals of alloy 690 varying the Ce content. The filler metal for dissimilar multipass welding of alloy 690 to type 316L stainless steel should be determined as Ce/(P+S) being 0.22-1.1 for every weld pass in order to prevent the any microcracks in the weld metal.
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Hong Zuo, Hai Qiu, Fuxing Yin, Kazuo Hiraoka
Session ID: 207
Published: 2010
Released on J-STAGE: June 24, 2010
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Development of weld crack of high alloyed steel with high P (1)
Takahiro Osuki, Hirokazu Okada, Kazuhiro Ogawa
Session ID: 208
Published: 2010
Released on J-STAGE: June 24, 2010
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The development of techinique to prevent solidification crack on 18-8 stainless steel with 0.1%P is important. In this study, the optimized alloy composition of 18-8 stainless steel with 0.1%P was proposed by using the numerical model to predict microsegregation coupling with thermodynamic database.
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Development of numerical model to predict of HAZ cracking susceptibility on fully austenitic high alloy steel(Report 2)
KANA JOTOKU, TAKAHIRO OSUKI, KAZUHIRO OGAWA
Session ID: 209
Published: 2010
Released on J-STAGE: June 24, 2010
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Takahisa Yamazaki, Shunpei Kamono, Akio Suzumura, Toshi-Taka Ikeshoji
Session ID: 210
Published: 2010
Released on J-STAGE: June 24, 2010
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Shuoyuan Zhang, Hidenori Terasaki, Yu-ichi Komizo
Session ID: 211
Published: 2010
Released on J-STAGE: June 24, 2010
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young dong Chung, Hidetoshi Fujii, Hisashi Serizawa, Hiroyasu Tanigawa
Session ID: 212
Published: 2010
Released on J-STAGE: June 24, 2010
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Dissimilar lap joints of Reduced Activation Ferritic steel F82H and stainless steels weer obtained using friction stir welding. The effect of the steel sheet position was
investigated to obtain good mechanical properties and microstructure of the joints.
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Hiroyuki Ogiwara, Hiroki Tokuichi, Hiroaki Mori, Kazuyuki Saida, Kazut ...
Session ID: 213
Published: 2010
Released on J-STAGE: June 24, 2010
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Hidenori Terasaki, Kyota Maeno, Koji Moriguchi, Yu-ichi Komizo
Session ID: 214
Published: 2010
Released on J-STAGE: June 24, 2010
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TAKU KATO, SHINSUKE SATO, HIROKI OTA, TOYOAKI SHIWAKU
Session ID: 215
Published: 2010
Released on J-STAGE: June 24, 2010
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Study on factors governing the properties in high strength weld metal (Report 2)
shuichi nakamura, toshiei hasegawa, isamu kimoto, ryuuichi shimura
Session ID: 216
Published: 2010
Released on J-STAGE: June 24, 2010
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Makoto TAKAHASHI, Yuki WATATANI, Kenji IKEUCHI
Session ID: 217
Published: 2010
Released on J-STAGE: June 24, 2010
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Takeshi KONNO, Mitsuru EGASHIRA, Mikihiko KOBAYASHI
Session ID: 218
Published: 2010
Released on J-STAGE: June 24, 2010
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Two thin wires of 50 microns in diameter, an alumel wire and a chromel wire, were buttwelded by a non-contact discharge welding. The tips of the wires were melted and a junction was formed. It works as fine thermocouple and shows good performance due to its very small junction.
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tomohiro yagishita, tomo Ogura, akio hirose
Session ID: 219
Published: 2010
Released on J-STAGE: June 24, 2010
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The bonding strength using Ag2O pastes with various reducing solvents was investigated. The solvent that reduced Ag2O to Ag nanoparticles at the lower temperature provided the higher bonding
strength. The formation and sintering behaviors of Ag nanoparticles with various solvents were examined, and the differences on bonding processes were discussed.
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SHINJI FUKUMOTO, ATSUSHI TANAKA, MICHIYA MATSUSHIMA, KOZO FUJIMOTO
Session ID: 220
Published: 2010
Released on J-STAGE: June 24, 2010
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GEN MURAYAMA, HATSUHIKO OIKAWA
Session ID: 221
Published: 2010
Released on J-STAGE: June 24, 2010
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Toru Okada, Masato Uchihara, Kiyoyuki Fukui, Sullivan Smith, Nick den ...
Session ID: 222
Published: 2010
Released on J-STAGE: June 24, 2010
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