Preprints of the National Meeting of JWS

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Preprints of the National Meeting of JWS

Displaying 101-109 of 109 articles from this issue

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Weldability of Three Galvannealed Steel Sheets with Gap in Hybrid Spot Welding Method

Yasuaki NAITO, Gen MURAYAMA, Yasunobu MIYAZAKI

Session ID: 424
Published: 2012
Released on J-STAGE: June 20, 2012

DOIhttps://doi.org/10.14920/jwstaikai.2012s.0.236.0

CONFERENCE PROCEEDINGS FREE ACCESS

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Fracture mechanical consideration of spot welded joints

(Report3) Effect of HAZ-softening on crack driving force in cross tension test of joints in hot stamped steel sheets

Fuminori Watanabe, Seiji Furusako, Yasunobu Miyazaki, Tetsuro Nose

Session ID: 425
Published: 2012
Released on J-STAGE: June 20, 2012

DOIhttps://doi.org/10.14920/jwstaikai.2012s.0.238.0

CONFERENCE PROCEEDINGS FREE ACCESS

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Development of resistance spot welding with pulsed current pattern for high strength steel sheet.

the effect of weld structure change by high current on fracture pattern

Koichi Taniguchi, Rinsei Ikeda, Shigeru Endo

Session ID: 426
Published: 2012
Released on J-STAGE: June 20, 2012

DOIhttps://doi.org/10.14920/jwstaikai.2012s.0.240.0

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We evaluated temperature change and weld structure of nugget after pulsed current pattern which repeats short pausing time and welding time after main welding cycles. We revealed that change of weld structure in nugget improves cross tensile strength of high strength steel sheets of above 980MPa grade.

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Development of Resistance Spot Welding Simulation Technique for High Strength Steel Sheets for Automotive Industries (Report4)

Estimation of nugget diameter by spot welding simulation for coated steel sheets

GEN MURAYAMA, HATSUHIKO OIKAWA, YASUNOBU MIYAZAKI

Session ID: 427
Published: 2012
Released on J-STAGE: June 20, 2012

DOIhttps://doi.org/10.14920/jwstaikai.2012s.0.242.0

CONFERENCE PROCEEDINGS FREE ACCESS

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Numerical study on fracture behavior of resistance spot welding for high strength steel sheets -Report 2-

Teruki Sadasue, Satoshi Igi, Kouichi Taniguchi, Rinsei Ikeda, Shigeru ...

Session ID: 428
Published: 2012
Released on J-STAGE: June 20, 2012

DOIhttps://doi.org/10.14920/jwstaikai.2012s.0.244.0

CONFERENCE PROCEEDINGS FREE ACCESS

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Welding Quality Monitoring Method (Part 1)

Hitomi Nishibata, Kazunori Anayama, Toshiyuki Suzuma, Masanori Yasuyam ...

Session ID: 429
Published: 2012
Released on J-STAGE: June 20, 2012

DOIhttps://doi.org/10.14920/jwstaikai.2012s.0.246.0

CONFERENCE PROCEEDINGS FREE ACCESS

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Welding Quality Monitoring Method (Part2)

Kazunori ANAYAMA, Toshiyuki SUZUMA, Hitomi NISHIBATA, Masanori YASUYAM ...

Session ID: 430
Published: 2012
Released on J-STAGE: June 20, 2012

DOIhttps://doi.org/10.14920/jwstaikai.2012s.0.248.0

CONFERENCE PROCEEDINGS FREE ACCESS

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In-line weld quality monitoring method for spot welding. The method could enable automatic assessment of weld nuget quality from welding current and voltage data.

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Real time Quality Assessment in Resistance Spot Welding Process

Hideyuki KIHARA, Hiroyuki OTSUKA, Hidenori TERASAKI, Yuichi KOMIZO, Ki ...

Session ID: 431
Published: 2012
Released on J-STAGE: June 20, 2012

DOIhttps://doi.org/10.14920/jwstaikai.2012s.0.250.0

CONFERENCE PROCEEDINGS FREE ACCESS

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Residual Stress Measurement by X-ray Diffraction Method in Resistance Spot Welds

Muneyoshi Iyota, Tadafumi Hashimoto, Yoshiki Mikami, Koichi Taniguchi, ...

Session ID: 432
Published: 2012
Released on J-STAGE: June 20, 2012

DOIhttps://doi.org/10.14920/jwstaikai.2012s.0.252.0

CONFERENCE PROCEEDINGS FREE ACCESS

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On the evaluation of resistance spot welded joint strength with high-strength steel sheets, it is important to evaluate the residual stress distribution in resistance spot welds. In this study, the residual stress distribution was discussed with X-ray diffraction method.

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