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2012 | 3 | nr 3 | 86--91
Tytuł artykułu

What if They are not Weld-Able?

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Many light metals, such as aluminum and magnesium alloys, are promised to provide significant weight reduction for automobiles. However, the difficulties in welding these metals seriously hinder their large-scale applications. A new, hybrid mechanical joining process is proposed to avoid the inherited metallurgical complications in welding. By spinning and pressing a solid rivet into the metals, a joint is formed with the locking from the rivet, a stirred/mixed zone around the rivet, and solid bonding at the faying interface. This riveting process combines the actions of friction-stir welding in which metals of difierent sheets are mechanically mixed, and self-piercing riveting process which embeds a rivet in the sheets. Experiments have shown that such a friction-stir riveting process can produce joints of comparable strength to those created by other joining means, and can be applied to dififcult-to-weld metals and dissimilar metals, such as aluminum-to-aluminum, magnesium-to-magnesium, and aluminum-to-magnesium.(original abstract)
Rocznik
Tom
3
Numer
Strony
86--91
Opis fizyczny
Twórcy
  • The University of Toledo, Toledo, USA
  • The University of Toledo, Toledo, USA
  • The University of Toledo, Toledo, USA
autor
  • The University of Toledo, Toledo, USA
Bibliografia
  • Stiffiness Relevance and Strength Relevance in Crash of Car Body Components, a report for the European Aluminium Association by the University of Aachen (Germany), Public version of oficial report 83440, May 2010.
  • Wang B., Hao C., Zhang J., Zhang H., A New Self-piercing Riveting Process and the Joint Strength, Journal of Manufacturing Science and Engineering, May 2006, Vol. 128, Iss. 2, pp. 580-587, 2005.
  • Luo H., Hao C., Zhang J., Chen H., Gan Z., Zhang H., Characteristics of Resistance Welding Magnesium Alloys AZ31 and AZ91, Welding Journal, 90, 249-257, Dec. 2011.
  • Zhang H., Wang B., Gan Z., Self-piercing Riveting Al Alloys, 6th International Conference on Advances in Production Engineering (APE'10), 17-19 June 2010, Warsaw, Poland. Conf. Proc., pp. 255-263, 2010.
  • Magnesium Vision 2020, A North American Automotive Strategic Vision for Magnesium, United States Automotive Materials Partnership, 2006.
  • A Device and Process of Friction-stir Riveting, Inventors: C.Y. Hao, J.S. Zhang, H. Luo, Z.L. Li, X.F. Mao, and H. Zhang, Chinese Patent
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.ekon-element-000171570841

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