A high-strength extruded Mg-Gd-Zn-Zr alloy with superplasticity

Journal of Materials Research

Volumn 24, Issue 12, 2009, Pages 3596-3602

  Wu, Y J ^a,b   Peng, L M ^a,b   Zeng, X Q ^a,b   Lin, D L ^a,b   Ding, W J ^a,b   Peng, Y H ^b  

^a Shanghai Jiao Tong University   (China)

^b SHANGHAI JIAO TONG UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

ELEVATED TEMPERATURE; HIGH-STRENGTH; INGOT METALLURGY; LONG-PERIOD STACKING ORDERED STRUCTURE; MATRIX; MG-GD-ZN-ZR; SUPERPLASTIC BEHAVIOR;

GADOLINIUM; GRAIN BOUNDARIES; MECHANICAL PROPERTIES; ZINC; ZIRCONIUM; ZIRCONIUM ALLOYS;

HIGH STRENGTH ALLOYS;

EID: 77952593808     PISSN: 08842914     EISSN: None     Source Type: Journal    
DOI: 10.1557/jmr.2009.0425     Document Type: Article

References (26)

1. S.M. He, X.Q. Zeng, L.M. Peng, X. Gao, J.F. Nie, and W.J. Ding: Precipitation in a Mg-10Gd-3Y-0.4Zr (wt.%) alloy during isothermal aging at 2500C J. Alloys Compd. 421, 309 (2006).
2. X. Gao and J.F. Nie: Enhanced precipitation-hardening in Mg-Gd alloys containing Ag and Zn. Scr. Mater. 58, 619 (2008).
3. W.J. Ding, Y.J. Wu, X.Q. Zeng, L.M. Peng, G.Y. Yuan, and D.L. Lin: Formation of 14H-type long period stacking ordered structure in the as-cast and solid-solution-treated Mg-Gd-Zn-Zr alloys. J. Mater. Res. 24(5), 1842 (2009).
4. 1 alloy during solid solution heat treatment at 773K. J. Alloys Compd. 447, 193 (2009).
5. Y.J. Wu, D.L. Lin, X.Q. Zeng, L.M. Peng, and W.J. Ding: Formation of a lamellar 14H-type long period stacking ordered structure in an as-cast Mg-Gd-Zn-Zr alloy. J. Mater. Sci 44, 1607 (2009).
6. 12ZnY phase in a high strength Mg-Zn-Zr-Y magnesium alloy. J. Mater. Sci. Lett. 19, 813 (2000).
7. A. Inoue, Y. Kawamura, and M. Matsushita: Novel hexagonal structure and ultrahigh strength of magnesium solid solution in the Mg-Zn-Y system. J. Mater. Res. 16, 1894 (2001).
8. 2 alloys with excellent tensile yield strength above 600MPa. Mater. Trans. 42, 1172 (2001).
9. E. Abe, Y. Kawamura, K. Hayashi, and A. Inoue: Long-period ordered structure in a high-strength nanocrystalline Mg-lat%Zn2at%Y alloy studied by atomic-resolution Z-contrast STEM. Acta Mater. 50, 3845 (2002).
10. 2 alloy. Mater. Sci Forum 419-422, 715 (2003).
11. T. Morikawa, K. Kaneko, and K. Higashida: The fine-grained structure in magnesium alloy containing long-period stacking order phase. Mater. Trans. 49(6), 1294 (2008).
12. 1 alloy processed by equal channel angular pressing. J. Alloys Compd. 440, 94 (2007).
13. 1 ribbon upon ageing at different temperatures. Mater. Trans. 49(8), 1768 (2008).
14. 2 alloys. Mater. Sci. Forum 419-422, 751 (2003).
15. 2 alloy. Scr. Mater. 51, 107 (2004).
16. 2 alloys with long-period stacking ordered structure. Mater. Trans. 48(11), 2986 (2007).
17. M. Yamasaki, M. Sasaki, M. Nishijima, and K. Hiraga: Formation of 14H long period stacking ordered structure and profuse stacking faults in Mg-Zn-Gd alloys during isothermal aging at high temperature. Acta Mater. 55, 6798 (2007).
18. M. Yamasaki, T. Anan, S. Yoshimoto, and Y. Kawamura: Mechanical properties of warm-extruded Mg-Zn-Gd alloy with coherent 14H long periodic stacking bordered structure precipitate. Scr. Mater. 53, 799 (2005).
19. S. Yoshimoto, M. Yamasaki, and Y. Kawamura: Microstructure and mechanical properties of extruded Mg-Zn-Y alloys with 14H long period ordered structure. Mater. Trans. 47(4), 959 (2006).
20. 2. Mater. Sci. Eng., A 393, 269 (2005).
21. 1 (Ln=Lanthanide metal) alloys. Mater. Trans. 44, 2151 (2003).
22. 2 alloy. Mater. Sci. Eng., A 375-377, 1217 (2004).
23. T. Honma, T. Ohkubo, S. Kamado, and K. Hono: Effect of Zn additions on the age-hardening of Mg-2.0Gd-1.2Y-0.2Zr alloys. Acta Mater. 55, 4137 (2007).
24. 1 alloy exhibiting superplastic behaviour. Mater. Sci. Eng., A 485, 194 (2008).
25. J.C. Tan and M.J. Tan: Superplasticity and grain boundary sliding characteristics in two stage deformation of Mg-3Al-lZn alloy sheet. Mater. Sci. Eng., A 339, 81 (2003).
26. T.G. Langdon: Future research directions for interface engineering in high temperature plasticity. Mater. Sci. Eng., A 166, 237 (1993).