Microstructure, mechanical and corrosion properties of Mg-Gd-Zn alloys
Publikation: Beiträge in Sammelwerken › Aufsätze in Konferenzbänden › Forschung › begutachtet
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Microstructure, mechanical and corrosion properties of Mg-Gd-Zn alloys. / Srinivasa, A.; Huang, Y.; Mendis, C. L. et al.
Light Metals Technology 2013. Hrsg. / Ian Stone; Brian McKay; Zhonggyun Fan. Trans Tech Publications Ltd, 2013. S. 28-32 (Materials Science Forum; Band 765).Publikation: Beiträge in Sammelwerken › Aufsätze in Konferenzbänden › Forschung › begutachtet
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TY - CHAP
T1 - Microstructure, mechanical and corrosion properties of Mg-Gd-Zn alloys
AU - Srinivasa, A.
AU - Huang, Y.
AU - Mendis, C. L.
AU - Dieringa, H.
AU - Blawert, C.
AU - Kainer, K. U.
AU - Hort, N.
N1 - Conference code: 6
PY - 2013
Y1 - 2013
N2 - Microstructure, mechanical and corrosion properties of Mg-10Gd-2Zn and Mg-10Gd-6Zn (all in wt.%) were evaluated in the as-cast condition. The microstructures of both alloys contained (Mg, Zn)3Gd phase at the interdendritic regions and long period stacking ordered (LPSO) phase distributed in the matrix. The Mg-10Gd-6Zn alloy consisted of a high volume fraction of (Mg,Zn)3Gd intermetallic phases continuously distributed along the grain boundaries. The tensile properties, especially the elongation to failure of the Mg-10Gd-6Zn alloy were slightly lower than those of Mg-10Gd-2Zn. An enhancement in creep resistance was observed with Mg-10Gd-2Zn alloy with the post creep tested microstructure showing dynamic precipitation. Corrosion studies indicated that increased Zn content, from 2 to 6% in Mg-10Gd alloys, significantly reduced the corrosion resistance.
AB - Microstructure, mechanical and corrosion properties of Mg-10Gd-2Zn and Mg-10Gd-6Zn (all in wt.%) were evaluated in the as-cast condition. The microstructures of both alloys contained (Mg, Zn)3Gd phase at the interdendritic regions and long period stacking ordered (LPSO) phase distributed in the matrix. The Mg-10Gd-6Zn alloy consisted of a high volume fraction of (Mg,Zn)3Gd intermetallic phases continuously distributed along the grain boundaries. The tensile properties, especially the elongation to failure of the Mg-10Gd-6Zn alloy were slightly lower than those of Mg-10Gd-2Zn. An enhancement in creep resistance was observed with Mg-10Gd-2Zn alloy with the post creep tested microstructure showing dynamic precipitation. Corrosion studies indicated that increased Zn content, from 2 to 6% in Mg-10Gd alloys, significantly reduced the corrosion resistance.
KW - Corrosion behaviour
KW - Creep
KW - LPSO
KW - Mg-Gd-Zn alloys
KW - Tensile properties
KW - Engineering
UR - http://www.scopus.com/inward/record.url?scp=84882932358&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/MSF.765.28
DO - 10.4028/www.scientific.net/MSF.765.28
M3 - Article in conference proceedings
AN - SCOPUS:84882932358
SN - 9783037857663
T3 - Materials Science Forum
SP - 28
EP - 32
BT - Light Metals Technology 2013
A2 - Stone, Ian
A2 - McKay, Brian
A2 - Fan, Zhonggyun
PB - Trans Tech Publications Ltd
T2 - 6th International Light Metals Technology Conference - LMT 2013
Y2 - 24 July 2013 through 26 July 2013
ER -