Investigations on hot tearing of Mg-Zn-(Al) alloys
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Investigations on hot tearing of Mg-Zn-(Al) alloys. / Zhou, Le; Huang, Yuanding; Mao, Pingli et al.
Magnesium Technology 2011 - Held During TMS 2011 Annual Meeting and Exhibition. Hrsg. / Wim H. Sillekens; Sean R. Agnew; Neale R. Nealameggham; Suveen N. Mathaudhu. The Minerals, Metals & Materials Society, 2011. S. 125-130 (Magnesium Technology).Publikation: Beiträge in Sammelwerken › Aufsätze in Konferenzbänden › Forschung › begutachtet
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TY - CHAP
T1 - Investigations on hot tearing of Mg-Zn-(Al) alloys
AU - Zhou, Le
AU - Huang, Yuanding
AU - Mao, Pingli
AU - Kainer, Karl Ulrich
AU - Liu, Zheng
AU - Hort, Norbert
N1 - Conference code: 140
PY - 2011
Y1 - 2011
N2 - Mg-Zn alloys are widely used as wrought alloys such as ZM, ZK and ZE series. They are reportedly to be prone to hot tearing due to the presence of Zn. The present work first evaluates the hot tearing susceptibility (HTS) of binary Mg-Zn alloys using quantitative experimental methods and thermodynamic simulations based on Clyne's model, and then further investigate the addition of aluminum on the HTS in the ternary alloys Mg-Zn-Al. The results show that the curve of the HTS vs. the content of Zn has a typical "λ" shape. With increasing the content of Zn, the HTS increases firstly, reaches the maximum at 1.5% Zn and then decreases again. The addition of Al in Mg-Zn alloys influences the HTS. In the Mg-Zn-Al ternary system, the HTS decreases with the increase of Al content. The curve of the HTS as a function of Zn content in the ternary Mg-Zn-Al system is a little different from that observed in the binary Mg-Zn alloys. Two peaks are obtained: one is approximately at 1.0 to 1.5 wt.% Zn, another at 3.0 wt.% Zn.
AB - Mg-Zn alloys are widely used as wrought alloys such as ZM, ZK and ZE series. They are reportedly to be prone to hot tearing due to the presence of Zn. The present work first evaluates the hot tearing susceptibility (HTS) of binary Mg-Zn alloys using quantitative experimental methods and thermodynamic simulations based on Clyne's model, and then further investigate the addition of aluminum on the HTS in the ternary alloys Mg-Zn-Al. The results show that the curve of the HTS vs. the content of Zn has a typical "λ" shape. With increasing the content of Zn, the HTS increases firstly, reaches the maximum at 1.5% Zn and then decreases again. The addition of Al in Mg-Zn alloys influences the HTS. In the Mg-Zn-Al ternary system, the HTS decreases with the increase of Al content. The curve of the HTS as a function of Zn content in the ternary Mg-Zn-Al system is a little different from that observed in the binary Mg-Zn alloys. Two peaks are obtained: one is approximately at 1.0 to 1.5 wt.% Zn, another at 3.0 wt.% Zn.
KW - Casting
KW - Hot tearing
KW - Mg-Zn alloy
KW - Solidification
KW - Thermodynamic calculation
KW - Engineering
UR - http://www.scopus.com/inward/record.url?scp=84861367476&partnerID=8YFLogxK
U2 - 10.1002/9781118062029.ch24
DO - 10.1002/9781118062029.ch24
M3 - Article in conference proceedings
AN - SCOPUS:84861367476
SN - 9781118029367
T3 - Magnesium Technology
SP - 125
EP - 130
BT - Magnesium Technology 2011 - Held During TMS 2011 Annual Meeting and Exhibition
A2 - Sillekens, Wim H.
A2 - Agnew, Sean R.
A2 - Nealameggham, Neale R.
A2 - Mathaudhu, Suveen N.
PB - The Minerals, Metals & Materials Society
T2 - 140th Annual Meeting and Exhibition of Magnesium Technology 2011 - TMS 2011
Y2 - 27 February 2011 through 3 March 2011
ER -