3.8 Proceedings Paper

Hot tearing in Al-Mg-Si alloys with minor additions of Cu or Mn

Journal

ALUMINIUM CAST HOUSE TECHNOLOGY XII
Volume 693, Issue -, Pages 217-+

Publisher

TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/MSF.693.217

Keywords

hot tearing; hot cracking; casting; 6xxx series alloy

Funding

  1. CAST Cooperative Research Centre
  2. Australian Government's Cooperative Research Centre's

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A study of the influence of minor additions of copper or manganese on hot tear susceptibility in Al-Mg-Si alloys has been conducted. Testing was carried out using a laboratory scale hot tearing rig and the results were validated using an analysis of cast house cracking scrap data for 6060 and 6063 extrusion billet alloys. Mn content was found to have a strong influence on hot tearing rates.

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