Effect of Zr addition on microstructure and warm formability of Al-Mg sheet alloys

Zhu, Hanliang and Dargusch, M. (2010). Effect of Zr addition on microstructure and warm formability of Al-Mg sheet alloys. In: Jian-Feng Nie and Allan Morton, PRICM7: Selected peer review papers from the seventh Pacific Rim International Conference on Advanced Materials and Processing. Pacific Rim International Conference on Advanced Materials and Processing, Cairns, QLD, Australia, (1010-1013). 2-6 August 2010. doi:10.4028/www.scientific.net/MSF.654-656.1010

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Author Zhu, Hanliang
Dargusch, M.
Title of paper Effect of Zr addition on microstructure and warm formability of Al-Mg sheet alloys
Conference name Pacific Rim International Conference on Advanced Materials and Processing
Conference location Cairns, QLD, Australia
Conference dates 2-6 August 2010
Proceedings title PRICM7: Selected peer review papers from the seventh Pacific Rim International Conference on Advanced Materials and Processing   Check publisher's open access policy
Journal name Materials Science Forum   Check publisher's open access policy
Place of Publication Zurich, Switzerland
Publisher Trans Tech Publications
Publication Year 2010
Sub-type Fully published paper
DOI 10.4028/www.scientific.net/MSF.654-656.1010
ISBN 0878492550
9780878492558
ISSN 0255-5476
Editor Jian-Feng Nie
Allan Morton
Volume 654-656
Start page 1010
End page 1013
Total pages 4
Collection year 2011
Language eng
Formatted Abstract/Summary
The trace element Zr was added to an Al-Mg alloy to investigate its effects on microstructure and warm formability of aluminium sheets. Microstructural examination showed that the Zr addition resulted in an elongated grain structure due to inhibitedrecovery and recrystallization by Al3Zr particles during thermomechanical treatments. In order to evaluate the warm formability, warm tensile tests were carried out at temperatures ranging from 275 to 350°C, and at strain rates ranging from 0.015 to 1.5 s-1. The results showed that the addition of Zr increased the flow stress but decreased the ductility at most test conditions. At a low strain rate of 0.015 s-1, the addition of Zr resulted in low ductility at 350°C but high ductility at 275°C.The effect of Zr additions on warm formability is discussed on the basis of the microstructural changes. © (2010) Trans Tech Publications.
Keyword Aluminium alloy
Formability
Microstructure
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Thu, 24 Mar 2011, 12:35:06 EST by Sally Beard on behalf of School of Mechanical and Mining Engineering