Formation of 14H-type long period stacking ordered structure in the as-cast and solid solution treated Mg-Gd-Zn-Zr alloys

Journal of Materials Research

Volumn 24, Issue 5, 2009, Pages 1842-1854

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

^a Shanghai Jiao Tong University   (China)

^b SHANGHAI JIAO TONG UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

AS-CAST; LONG-PERIOD STACKING ORDERED STRUCTURE; MATRIX; MG MATRIX; MG-GD-ZN-ZR; SOLID SOLUTION HEAT TREATMENT; TIME TEMPERATURE TRANSFORMATION DIAGRAMS;

ALLOYS; CERIUM ALLOYS; CRYSTALLIZATION; GADOLINIUM; SOLID SOLUTIONS; SOLIDIFICATION; ZINC; ZIRCONIUM; ZIRCONIUM ALLOYS;

LAMELLAR STRUCTURES;

EID: 67649532605     PISSN: 08842914     EISSN: None     Source Type: Journal    
DOI: 10.1557/jmr.2009.0215     Document Type: Article

References (30)

1. J.F. Nie and B.C. Muddle: Characterization of strengthening precipitate phases in a Mg-Y-Nd alloy. Acta Mater. 48, 1691 (2000).
2. J.F. Nie, X. Gao, and S.M. Zhu: Enhanced age hardening response and creep resistance of Mg-Gd alloys containing Zn. Scr. Mater. 53, 1049 (2005).
3. X. Gao, S.M. He, X.Q. Zeng, L.M. Peng, W.J. Ding, and J.F. Nie: Microstructure evolution in a Mg-15Gd-0.5Zr (wt%) alloy during isothermal aging at 250 °C. Mater. Sci. Eng., A 431, 322 (2006).
4. P.J. Apps, H. Karimzadeh, and J.F. King: Phase compositions in magnesium-rare earth alloys containing yttrium, gadolinium or dysprosium. Scr. Mater. 48, 1023 (2003).
5. B.L. Mordike: Development of highly creep-resistant magnesium alloys. J. Mater. Process. Technol. 117, 391 (2001).
6. 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 250 °C. J. Alloys Compd. 421, 309 (2006).
7. 1 alloy with long period ordered structure. Scr. Mater. 55, 453 (2006).
8. X. Hui, W. Dong, G.L. Chen, and K.F. Yao: Formation, micro-structure and properties of long-period order structure reinforced Mg-based bulk metallic glass composites. Acta Mater. 55, 907 (2007).
9. 1 alloy. Mater. Trans. 47, 1264 (2006).
10. Z.P. Luo, S.Q. Zhang, and Y.L. Tang: Microstructure of Mg-Zn-Zr-RE alloys with high RE and low Zn contents. J. Alloys Compd. 209, 275 (1994).
11. Z.P. Luo, D.Y. Song, and S.Q. Zhang: Strengthening effects of rare earths on wrought Mg-Zn-Zr-RE alloys. J. Alloys Compd. 230, 109 (1995).
12. 12ZnY phase in a high strength Mg-Zn-Zr-Y magnesium alloy. J. Mater. Sci. Lett. 19, 813 (2000).
13. 2 alloys with excellent tensile yield strength above 600 MPa. Mater. Trans. 42, 1172 (2001).
14. 2 alloy. Mater. Sci. Forum 419-422, 715 (2003).
15. 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).
16. E. Abe, Y. Kawamura, K. Hayashi, and A. Inoue: Long-period ordered structure in a high-strength nanocrystalline Mg-lat.% Zn-2at.%Y alloy studied by atomic-resolution Z-contrast STEM. Acta Mater. 50, 3845 (2002).
17. 2 alloys. Mater. Sci. Forum 419-422, 751 (2003).
18. 2 alloy. Mater. Sci. Eng., A 375-377, 1217 (2004).
19. 2 alloy. Mater. Trans. 49, 990 (2008).
20. A. Inoue, Y. Kawamura, and M. Matsushita: High strength nanocrystalline Mg-based alloys. Mater. Sci. Forum 386-388,509 (2002).
21. 1 (Ln = Lanthanide metal) alloys. Mater. Trans. 44, 2151 (2003).
22. 2 alloy. Mater. Sci. Eng., A 386, 447 (2004).
23. 2. Mater. Sci. Eng., A 393, 269 (2005).
24. 2 alloy. Scr. Mater. 51, 107 (2004).
25. 2 alloys with long-period stacking ordered structure. Mater. Trans. 48(11), 2986 (2007).
26. 1 alloy processed by equal channel angular pressing. J. Alloys Compd. 440, 94 (2007).
27. 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).
28. 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).
29. T. Honma, T. Ohkubo, S. Kamado, and K. Hono: Effect of Zn additions on the age-hardening of Mg-2.0Gd-l.2Y-0.2Zr alloys. Acta Mater. 55, 4137 (2007).
30. 1 alloy. Philos. Mag. Lett. 80(10), 543 (2002).