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Combined Analysis of Plastic Flow and Temperature Distribution During Friction Stir Welding

[+] Author Affiliations
Shigeki Hirasawa

Kobe University

Kazutaka Okamoto

Hitachi America, Ltd.

Satoshi Hirano

Hitachi, Ltd.

Toshio Tomimura

Kyushu University

Paper No. IMECE2005-79328, pp. 851-856; 6 pages
doi:10.1115/IMECE2005-79328
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Part B
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-4222-3 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

Plastic flow, heat generation by shear force, and temperature distribution during the FSW process were analyzed. The plastic flow was numerically calculated using a particle method and the temperature distribution was calculated using a finite element method. Both analyses were combined. Temperature distributions were calculated by changing conditions of heat generation caused by the friction between the rotating tool and the metal plates. Local temperature distributions near the rotating tool differed for the conditions, but whole temperature distributions were almost same. In the calculation result of the plastic deformation, the heat generation by the shear force occurred about 60% at near the shoulder and 40% at near the pin of the tool.

Copyright © 2005 by ASME

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