Effect of compression ratio on the microstructure evolution of semisolid AZ91D alloy

Journal of Materials Processing Technology

Volumn 184, Issue 1-3, 2007, Pages 195-200

  Zhang, Q Q ^a   Cao, Z Y ^a   Zhang, Y F ^a   Su, G H ^a   Liu, Y B ^a  

^a Jilin University   (China)

Author keywords

AZ91D; Compression ratio; Particle size; Solid fraction; Strain induced melt activation (SIMA)

Indexed keywords

AZEOTROPES; COMPACTION; DEFORMATION; HEAT TREATMENT; ISOTHERMS; MICROSTRUCTURE; NUCLEATION; PARTICLE SIZE ANALYSIS; STRAIN;

AZ91D; COMPRESSION RATIO; SOLID FRACTION; STRAIN INDUCED MELT ACTIVATION (SIMA);

MAGNESIUM ALLOYS;

EID: 33846850400     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmatprotec.2006.11.022     Document Type: Article

References (23)

1. Flemings M.C. Behavior of metal alloys in the semisolid state. Metal Trans. 22A (1991) 957-981
2. Kirkwood D.H. Semisolid metal processing. Int. Mater. Rev. 39 (1994) 173-189
3. Kapranos P., Liu T.Y., Atkinson H.V., et al. Investigation into the rapid compression of semi-solid alloy slugs. J. Mater. Process. Technol. 111 (2001) 31-36
4. Koren Z., Rosenson H., Gutman E.M., et al. Development of semisolid casting for AZ91 and AM50 magnesium alloys. J. Light Metals 2 (2002) 81-87
5. Kim N.S., and Kang C.G. An investigation of flow characteristics considering the effect of viscosity variation in the thixoforming process. J. Mater. Process. Technol. 103 (2000) 237-246
6. Tzimas E., and Zavaliangou A. Evolution of near-equiaxed microstructure in the semisolid state. Mater. Sci. A 289 (2000) 228-240
7. Cui X.P., Liu Y.B., Cao Z.Y., et al. Influence of process conditions of thixomolding on the microstructure of magnesium mobile phone housing. Mater. Sci. Forum 488-489 (2005) 377-380
8. Chen T.J., Hao Y., and Sun J. Microstructural evolution of previously deformed ZA27 alloy during partial remelting. Mater. Sci. Eng. A 337 (2002) 73-81
9. Tzimas E., and Zavaliangos A. A comparative characterization of near-equiaxed microstructures as produced by spray casting, magnetohydrodynamic casting and the stress induced, melt activated process. Mater. Sci. Eng. A 289 (2000) 217-227
10. Xia M.X., Zheng H.X., Yuan S., et al. Recrystallization of preformed AZ91D magnesium alloys in the semisolid state. Mater. Des. 26 (2005) 343-349
11. Wang T.L., Su Y.H., and Tsao C.-Y.A. Structural evolution of conventional cast dendritic and spray-cast non-dendritic structures during isothermal holding in the semi-solid state. Scripta Mater. 37 (1997) 2003-2007
12. Wang J.G., Lu P., Wang H.Y., et al. Effect of predeformation on the semisolid microstructure of Mg-9Al-0.6Zn alloy. Mater. Lett. 58 (2004) 3852-3856
13. Atkinson H.V. Modelling the semisolid processing of metallic alloys. Prog. Mater. Sci. 50 (2005) 341-412
14. Fan Z. Semisolid metal processing. Int. Mater. Rev. 47 (2002) 67
15. K.P. Young, C.P. Kyonka, J.A. Courtois. US Patent, 4,415,374, 1983.
16. Zhai Q.Y., Yuan S., and Jiang B.L. Microstructural characteristics of semisolid AZ91 magnesium alloy based on SIMA process. Chin. J. Nonferrous Met. 15 (2005) 123-128
17. Czerwinski F. The processing phenomena of semisolid Mg-9%Al-1%Zn alloy at ultra high contents of the unmelted phase. Mater. Sci. Eng. A 392 (2005) 51-61
18. Song G.L., Bowles A.L., and Stjohn D.H. Corrosion resistance of aged die cast magnesium alloy AZ91D. Mater. Sci. Eng. A 366 (2004) 74-86
19. Fleming M.C. Solidification Processing (1974), McGraw Hill
20. Yu B.L., and Uan J.Y. Correlating the microstructure of the die-chill skin and the corrosion properties for a hog-chamber die-cast AZ91D magnesium alloy. Metall. Mat. Trans. 36A (2005) 2245-2252
21. William D., and Callister J. Fundamentals of Materials Science and Engineering (2004), Chemical Industry Press, Beijing 213
22. Pan J.S., Tong J.M., and Tian M.B. Fundamentals of Materials Science (2000), Tsinghua Press, Beijing 521
23. Zhao M., Zhou X.H., and Jiang Q. Comparison of different models for melting point change of metallic noncrystals. J. Mater. Res. 16 (2001) 3304-3307