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Makoto TAKAHASHI, Yukiyasu AORI, Kenji IKEUCHI
Session ID: 402
Published: 2008
Released on J-STAGE: October 28, 2008
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Effect of bonding conditions on performances of anodically-bonded joints of SiC to glass was investigated. The shear fracture strength of the bond interface was increased with bonding temperature (523 K-613 K) and bonding time (300 s-1800 s), and reached ~5.7 MPa at the best.
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Naoya Honda, Jonghyun Kim, Yoshihito Kawamura
Session ID: 403
Published: 2008
Released on J-STAGE: October 28, 2008
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Yoshihito Kawamura
Session ID: 404
Published: 2008
Released on J-STAGE: October 28, 2008
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Takeshi Terajima, Kazuhiro Nakata, Yuji Matsumoto, Hisamichi Kimura, A ...
Session ID: 405
Published: 2008
Released on J-STAGE: October 28, 2008
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Tungsten reinforced metallic glass (ZrAlNiCu alloy) was developed. Mixture of tungsten and metallic glass powder was molten and then cast in the Cu mold. The microstructure and XRD analyses showed that the matrix alloy was amorphous and closely jointed to the tungsten.
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Shinsuke Hamada, Takuya Tsumura, Hisamichi Kimura, Akihisa Inoue, Kazu ...
Session ID: 406
Published: 2008
Released on J-STAGE: October 28, 2008
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Kouhei ONO, Zhongjie LIU, Toshiro UEZONO, Tetsuo ERA, Tomoyuki UEYAMA, ...
Session ID: 407
Published: 2008
Released on J-STAGE: October 28, 2008
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shigeru miyazako, manabu tanaka, shinichi tashiro, kazuhiro nakata, ke ...
Session ID: 408
Published: 2008
Released on J-STAGE: October 28, 2008
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Tetsuji Kozuru, Manabu Tanaka, Shinniti Tashiro, Zhongjie LIU, Kouhei ...
Session ID: 409
Published: 2008
Released on J-STAGE: October 28, 2008
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ryou gondo, toshio anzai, kazumasa nishio, makoto shinohara
Session ID: 410
Published: 2008
Released on J-STAGE: October 28, 2008
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Yoji Ogawa
Session ID: 411
Published: 2008
Released on J-STAGE: October 28, 2008
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Gas tungsten arc phenomena were observed systemtically by high-speed video. Effect of active flux on surface tension and metal flow conditions were analysed. Surface flow in helium shield was drastically changed by sulpher contents in SUS304. That in argon shield was not so changed, but shape and surface level were change much. Effect of shielding gas to deepen the penetration was also discussed.
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Minoru Miyata, Shinichi Tashiro, Manabu Tanaka, Kenei Shin, Kuniaki Ta ...
Session ID: 412
Published: 2008
Released on J-STAGE: October 28, 2008
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Yoshihiro TSUJIMURA, Manabu TANAKA, Nobuo KANAI, Takenori HAYAKAWA
Session ID: 413
Published: 2008
Released on J-STAGE: October 28, 2008
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Shinichi Tashiro, Kentaro Yamamoto, Manabu Tanaka, Kazuhiro Nakata, Er ...
Session ID: 414
Published: 2008
Released on J-STAGE: October 28, 2008
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Kentaro Yamamoto, Manabu Tanaka, Shinichi Tashiro, Kazuhiro Nakata, Er ...
Session ID: 415
Published: 2008
Released on J-STAGE: October 28, 2008
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Takashi Ikegawa, Hidetoshi Fujii, Kiyoshi Nogi, Manabu Tanaka
Session ID: 416
Published: 2008
Released on J-STAGE: October 28, 2008
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During TIG welding of steel, the weld depth is significantly changed due to the change in the convection direction, which is dependent of the oxygen content in the weld pool. In this study, the relationship between the weld depth and oxygen content was investigated for MIG welding.
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Masaya Saito, Isamu Kimoto, Daisuke Ohmura, Shota Shibasaki
Session ID: 417
Published: 2008
Released on J-STAGE: October 28, 2008
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Kazufumi Nomura, Kazuyuki Morisaki, Yousuke Ogino, Yoshinori Hirata
Session ID: 418
Published: 2008
Released on J-STAGE: October 28, 2008
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Yosuke Yamazaki, Mitsuyoshi Nakatani, Manabu Tanaka, Shinichi Tashiro
Session ID: 419
Published: 2008
Released on J-STAGE: October 28, 2008
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Keiji Kadota, Naoya Horikawa, Yoshinori Hirata
Session ID: 420
Published: 2008
Released on J-STAGE: October 28, 2008
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Daisuke Ohmura, Ryuichi Motomatsu, Isamu Kimoto, Shota Shibasaki
Session ID: 421
Published: 2008
Released on J-STAGE: October 28, 2008
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Satoshi YAMANE, TETSUO YOSHIDA, HIKARU YAMAMOTO, TOORU NAKAJIMA, KENJI ...
Session ID: 422
Published: 2008
Released on J-STAGE: October 28, 2008
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ken miyasita, yasuyosi kaneko, satosi yamane, kenji oosima
Session ID: 423
Published: 2008
Released on J-STAGE: October 28, 2008
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Effect of tip specification on welding workability
Muneharu KUTSUNA, Guojian Xu, Ryuhei TAKAGI, Yasuo AKAO
Session ID: 424
Published: 2008
Released on J-STAGE: October 28, 2008
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Development of Special Welder for Corner Joint
TADAHISA TSUYAMA, SUSUMU KURIYAMA
Session ID: 425
Published: 2008
Released on J-STAGE: October 28, 2008
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We study a application of Tandem Electrogas Arc Welding Method on built box column thick corner joint. We introduce about mechanical performances of a weld using steel plates for various kinds of building and the welder which we developed newly for corner joint by this report.
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Kazuhiro Nakata, Tokuji Fujii, Masayuki shimada
Session ID: 426
Published: 2008
Released on J-STAGE: October 28, 2008
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Trans-Varestraint test was performed to evaluate the solidification brittleness temperature range of AZ type magnesium alloys of AZ31, AZ61 and AZ91D during TIG arc welding and test results were discussed on the influence of Al content of Mg alloy.
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Modeling of solidification crack in austenitic stainless steel weld metal (1)
Takahiro Osuki, Kazuhiro Miyabe, Hiroyuki Hirata, Kazuhiro Ogawa
Session ID: 427
Published: 2008
Released on J-STAGE: October 28, 2008
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In this present study, in-situ observation of the behavior of solidification crack in austenitic stainless steel weld metal using trans varestraint testing was performed with high magnififying lens.
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Modeling of solidification cracking in austenitic stainless steel weld metal (2)
Takahiro Osuki, Kouji Moriguchi, Kazuhiro Ogawa
Session ID: 428
Published: 2008
Released on J-STAGE: October 28, 2008
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In order to investigate the mechanism of solidification crack, the prediction of the shape of solidification microstructure in austenitic stainless steel weld metal was performed by multi phase field model
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Study on Evaluation Method for Solidification Cracking of Dissimilar Welded joint (Report 4)
Kenji Shinozaki, Motomichi Yamamoto, Peng Wen, Tomoko Tamura, Yusuke K ...
Session ID: 429
Published: 2008
Released on J-STAGE: October 28, 2008
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Kazuyoshi Saida, Masashi Sakamoto, Akira Taniguchi, Kazutoshi Nishimot ...
Session ID: 430
Published: 2008
Released on J-STAGE: October 28, 2008
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The effect of Ce addition to a filler metal on microcracking in the multipass weld metal of alloy 690 was investigated in order to improve the microcracking susceptibility in it. The microcracking susceptibility in the reheated weld metal could be much improved by adding 0.015-0.025mass%Ce to the weld metal. The multipass welding test confirmed that microcracks in the multipass weldment were completely prevented by using the filler metal added 0.03mass%Ce.
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Tadafumi Hashimoto, Hidenori Terasaki, Yu-chi Komizo
Session ID: 431
Published: 2008
Released on J-STAGE: October 28, 2008
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The solidification cracking susceptibility in Alloy Tool Steel Considering Dependence of Primary Phase Selection was clarified. The effect of primary phase selection on the interdendritic microsegregation was theoretically proven and the reduction of Si, P and S content can be effective on decreasing the risk of solidification cracking.
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Hee Joon Sung, Yeon Baeg Goo, Kyeong Ju Kim, Kee Young Choi
Session ID: 432
Published: 2008
Released on J-STAGE: October 28, 2008
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Ni bearing welding consumables which were developed for low temperature toughness were applying to various fields. The welding consumables showed not high resistance to hot cracking. However, the research on the hot crack of the welding consumable was not much. Therefore, the relationship between welding consumable and welding conditions were investigated.
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Tetsuya Oyamada, Takashi Yokoyama, Masanori Miyagi, Hiroyuki Kokawa, Z ...
Session ID: 433
Published: 2008
Released on J-STAGE: October 28, 2008
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Shinya Sato, Hiroyuki Kokawa, Zhanjie Wang, Yutaka Sato
Session ID: 434
Published: 2008
Released on J-STAGE: October 28, 2008
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Development of Welding Materials for an Austenitic Stainless Steel with High Strength and Corrosion Resistance (1)
Hiroshige Inoue, Ryou Matsuhashi, Shinji Tsuge, Manabu Mizumoto, Takas ...
Session ID: 435
Published: 2008
Released on J-STAGE: October 28, 2008
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Development of Welding Materials for an Austenitic Stainless Steel with High Strength and Corrosion Resistance (2)
Hiroshige Inoue, Shinji Tsuge, Manabu Mizumoto, Takashi Namekata
Session ID: 436
Published: 2008
Released on J-STAGE: October 28, 2008
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Kazuhisa Yanagita, Hidenori Terasaki, Yu-ichi Komizo
Session ID: 437
Published: 2008
Released on J-STAGE: October 28, 2008
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Martensitic weld metal have problem of hot cracking. It is thought that hot cracking can be prevented by existing of ferrite phase during the welding solidification. The relation of solidification mode and hot cracking sensitivity was evaluated by using TRXRD and Trans-varestraint test.
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Hiroki Masuko, Takehiko Watanabe, Atsushi Yanagisawa
Session ID: 438
Published: 2008
Released on J-STAGE: October 28, 2008
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Jonghyun Kim, Yoshihito Kawamura, Yuuzi Yanagita, Naohisa Sawai, Hiron ...
Session ID: 439
Published: 2008
Released on J-STAGE: October 28, 2008
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we report here the successful electron beam welding of Zr41Be23Ti14Cu12Ni10 BMG to stainless steel and the effect of the horizontal focal point position and shape of stainless steel on the phase composition.
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Yoshihiro Nagayo, Shuhei Watanabe, Takanori Suzuki, Takuya Tsumura, Ka ...
Session ID: 440
Published: 2008
Released on J-STAGE: October 28, 2008
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TAISHI TARUI, YUJI HAMAGUCHI
Session ID: 441
Published: 2008
Released on J-STAGE: October 28, 2008
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Yoshihisa Sechi, Akio Takezaki, Taihei Matsumoto, Takuya Tsumura, Kazu ...
Session ID: 442
Published: 2008
Released on J-STAGE: October 28, 2008
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Composition dependence of Ti in Ag-Cu-Ti alloy braze has been investigated about dissimilar Laser brazing of Boron Nitride and Tungsten Carbide. It was suggested that good bond strength was made using over 0.6 mass % Ti content in braze and contact angle between Boron Nitride and the braze was decreased using over 0.4 mass % Ti.
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tetsuya jose, jippei suzuki, hiroshi kawakami, hitoshi ozaki
Session ID: 443
Published: 2008
Released on J-STAGE: October 28, 2008
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This study examined a diffusion phenomenon in the contact interface with the solid phase and liquid phase that becomes problem for deposit welding and brazing. colmonoy was in the SS400 container and observed the contact interface. The metallographic of each phase was observed with the SEM and analyzed with the EPMA to clarify the process from atomic diffusion to the melt.
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Hideki Saito, Takehiko Watanabe, Atsushi Yanagisawa
Session ID: 444
Published: 2008
Released on J-STAGE: October 28, 2008
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Nariaki Kunika, Toshi-Taka Ikeshouji, Akio Suzuura, Takahisa Yamazaki
Session ID: 445
Published: 2008
Released on J-STAGE: October 28, 2008
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Masaki Yoshida, Shinji Angata, Eiichi Ide, Toshiaki Morita, Akio Hiros ...
Session ID: 446
Published: 2008
Released on J-STAGE: October 28, 2008
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We investigated the influence of thermal characteristics and an organic content on bonding strength using two types of Ag metallo-organic nanoparticles. It is indicated that the control of an organic content is essential to obtain the well-sintered bonding joint.
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Hiroaki Tatsumi, Naoya Takeda, Yusuke Akada, Tomo Ogura, Eiichi Ide, T ...
Session ID: 447
Published: 2008
Released on J-STAGE: October 28, 2008
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We have developed a bonding process via in-situ formation of Ag nanoparticles using Ag2O microparticles. It was confirmed that Ag nanoparticles form at 403K through the reduction process of Ag2O microparticles. The HRTEM observation revealed that the nanoparticles are metallurgically bonded with Au substrate at 433K.
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Hiroshi Nishikawa, Li Ngee Ho, Naohide Natsume, Tadashi Takemoto, Yuki ...
Session ID: 448
Published: 2008
Released on J-STAGE: October 28, 2008
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Atsushi Tanaka, Kozo Fujimoto
Session ID: 449
Published: 2008
Released on J-STAGE: October 28, 2008
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Keigo OKAGAWA, Mitsuji HIROHASHI, Tomokatsu AIZAWA
Session ID: 450
Published: 2008
Released on J-STAGE: October 28, 2008
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The magnetic pressure welding is effective for lap joining of dissimilar sheet metals with different conductivities, for example, Al/Fe. Because the aluminum sheet with high conductivity is able to obtain sufficient energy from an electric circuit, this sheet is accelerated by a large electromagnetic force and collides with the fixed galvanized steel sheet. Both these surfaces can be clarified by the effect of the collision, and then joined with each other by the electromagnetic force generated in the aluminum sheet. In this report, we describe a principle of the pressure welding, a shearing tensile strength and a joined interface.
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Yoshitaka SUGIYAMA, Kenichi HANAZAKI, Tomokatsu AIZAWA, Keigo OKAGAWA
Session ID: 451
Published: 2008
Released on J-STAGE: October 28, 2008
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