Effects of solid solution heat treatment on the microstructures and mechanical properties of Mg96.82Gd2Zn1Zr 0.18 alloy with the 14H-type LPSO structure

Magnesium Technology

Volumn , Issue , 2009, Pages 295-299

  Wu, Yujuan ^a,b   Zeng, Xiaoqin ^a,b   Lin, Dongliang ^a,b   Peng, Liming ^a,b   Yuan, Guangyin ^a,b   Ding, Wenjiang ^a,b  

^a Shanghai Jiao Tong University   (China)

^b SHANGHAI JIAO TONG UNIVERSITY   (China)

Author keywords

Lamellae; Long period sacking ordered (LPSO) structure; Mg Gd Zn Zr alloy; Phase transformation; Solid solution heat treatment; Solidification

Indexed keywords

LAMELLAE; LONG PERIOD SACKING ORDERED (LPSO) STRUCTURE; MG-GD-ZN-ZR ALLOY; PHASE TRANSFORMATION; SOLID SOLUTION HEAT TREATMENT;

ALLOYS; CRYSTALLIZATION; GADOLINIUM; GRAIN BOUNDARIES; HEAT TREATMENT; LAMELLAR STRUCTURES; LIGHT TRANSMISSION; MAGNESIUM; MECHANICAL PROPERTIES; METAL ANALYSIS; OPTICAL MICROSCOPY; SCANNING ELECTRON MICROSCOPY; SOLIDIFICATION; TENSILE STRENGTH; TENSILE TESTING; THERMAL EFFECTS; TRANSMISSION ELECTRON MICROSCOPY; ZINC; ZIRCONIUM; ZIRCONIUM ALLOYS;

SOLID SOLUTIONS;

EID: 70349510777     PISSN: 15454150     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (19)

1. S.M. He, X.Q. Zeng, L.M. Peng et al., "Precipitation in a Mg-10Gd-3Y-0.4Zr(wt.%) alloy during isothermal aging at 250°C," J. Alloy Comp., 421 (2006), 309-313.
2. X. Gao, J.F. Nie, "Enhanced precipitation-hardening in Mg-Gd alloys containing Ag and Zn," Scripta Mater., 58 (2008), 619-622.
3. 12ZnY phase in a high strength Mg-Zn-Zr-Y magnesium alloy," J. Mater. Sci. Lett., 19 (2000), 813-815.
4. 2 alloy," Mater. Sci. Forum, 419-422 (2003), 715-720.
5. A. Inoue, Y. Kawamura, M. Matsushita, "Novel Hexagonal structure and ultrahigh strength of magnesium solid solution in the Mg-Zn-Y system," J. Mater. Re., 16 (2001), 1894-1900.
6. E. Abe, Y. Kawamura, K. Hayashi et al., "Long-period ordered Structure in a high-strength nanocrystalline Mg-1at%Zn-2at%Y alloy studied by atomic-resolution Z-contrast STEM," Acta. Mater., 50 (2002), 3845-3857.
7. 2 ribbon upon ageing at different temperatures," Mater. Trans., 49 (8) (2008), 1768-1774.
8. T. Morikawa, K. Kaneko, K. Higashida, "The fine-grained structure in magnesium alloy containing long-period stacking order phase," Mater. Trans., 49 (6) (2008), 1294-1297.
9. 2 alloy," Scripta Mater., 51 (2004), 107-111.
10. 2," Mater. Sci. Eng. A, 393 (2005), 269-274.
11. 1 alloy processed by Equal Channel Angular Pressing," J. Alloy Comp., 440 (1-2) (2007), 94-100.
12. 2 Alloys," Mater. Sci. Forum, 419-422 (2003), 751-756.
13. 1 (Ln = Lanthanide metal) alloys," Mater. Trans., 44 (10) (2003), 2151-2156.
14. M. Yamasaki, T. Anan, S. Yoshimoto et al., "Mechanical properties of warm-extruded Mg-Zn-Gd alloy with coherent 14H long periodic stacking bordered structure precipitate," Scripta Mater., 53 (2005), 799-803.
15. 2 alloys with long-period stacking ordered structure," Mater. Trans., 48 (11) (2007), 2986-2992.
16. M. Yamasaki, M. Sasaki, M. Nishijima et al., "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 (2007), 6798-6805.
17. M. Nishijima, K. Hiraga, M. Yamasaki et al., "The structure of Guinier-Preston zones in an Mg-2 at%Gd-1at%Zn alloy studied by transmission electron microscopy," Mater. Trans., 49(1) (2008), 227-229.
18. T. Honma, T. Ohkubo, S. Kamado et al, "Effect of Zn additions on the age-hardening of Mg-2.0Gd-1.2Y-0.2Zr alloys," Acta Mater., 55 (2007), 413-450.
19. J.P. Li, Z. Yang, T. Liu et al., "Microstructures of extruded Mg-12Gd-lZn-0.5Zr and Mg-12Gd-4Y-1Zn-0.5Zr alloys," Scripta Mater., 56 (2007), 137-140.