[1]
Flemings M. C., Behavior of metals in the semi-solid state[J]. Metallurgical Transactions A, 1991, 22A: 957-981.
Google Scholar
[2]
Mordike B L, Elhert T. Magnesium, Properties applications potential[J]. Materials Science and Engineering A. 2001, 3, 32 (1): 37-4 5.
Google Scholar
[3]
Doi Y, Uetani Y, Yamazaki T, et a1. Microstructures and mechanical properties of AZ91D magnesium alloy produced by semi-solid extrusion process and its aging behavior[A]. Proc 7th Inter Conf on Semi-solid Processing of Alloys and Composites. Tsukuba, Japan, 2002: 263-268.
Google Scholar
[4]
L1 Yuan-dong, HA0 Yuan, CHEN Ti-jun, et a1. Effects of isothermal heat treatment on microstructure evolution and formability of AZ91D magnesium alloy in semi-solid state[J]. The Chinese Journal of Nonferrous Metals, 2002, 12(6): 1143—1148.
Google Scholar
[5]
M.C. Flemings. Behavior of metal alloy in the semi-solid state[J]. Metallurgical Transactions A, 1999, 22A(5): 957-981.
Google Scholar
[6]
Vogel A, Donherty R D, Cantor B. Stir-cast microstructure and slow crack growth[C], In: Proceedings of international conference on solidification, University of Sheffield, London, 1979, 518-525.
Google Scholar
[7]
Hellawell A. Grain evolution in conventional and rheocasting[A]. Proc of the 4th Int. Conf. on Semi-solid Processing of Alloys and Composites. London: University of Sheffield, 1996. 50-60.
Google Scholar
[8]
Molenaar J M M, Salemans F W H C, Katgerman L. The structure of stircast Al-Cu[J], Journal of Materials Science, 1985, 20, 20: 4335-4344.
DOI: 10.1007/bf00559322
Google Scholar
[9]
Li T, Huang W D, et al. Direct Observation of Forming and Evolution of Spherulite During Semisolid Treatment[J]. The Chinese Journal of Nonferrous Metals, 2000, 10(5): 635-639.
Google Scholar
[10]
Mao W M, Cui C L, Zhao A M, et al. Dynamical coarsening processes of microstructures in non-dendritic AlSi7Mg alloy remelted in semi-solid state[J], Transactions of Nonferrous Metals Society of China, 2000, 10(1): 25-28.
Google Scholar
[11]
Le Q Z, Zhang X J, Cui J Z, et al. Remelting of SSM Billets Prepared by the Near-Liquidus Casting of AZ91D Magnesium Alloy[J], ACTA METALLURGICA SINICA, 2002, 38(12): 1266-1272.
Google Scholar
[12]
Zhang Q Q, Cao Z Y, Liu Y B, et al. Effect of Isothermal Holding Time on the Microstructure Evolution of the Compressed AZ91D Alloy[J]. Foundry, 2007, 56(4): 388-391(in chinese).
Google Scholar
[13]
JIANG J F, LUO S J. Reheating microstructure of refined AZ91D magnesium alloy in semi-solid state[J], Transactions of Nonferrous Metals Society of China, 2004, 14(6): 1074-1081.
Google Scholar
[14]
Cui X P. The Research on the Microstructure and Process of Thixomolding AZ91D Magnesium Alloy[D]. Changchun: Jilin University, 2006(in chinese).
Google Scholar
[15]
Mao W M, Yan S J, Zhen Z S. Thixotropic properties of semi-solid AZ91D magnesium alloy[J], ACTA Metallurgica Sinica, 2005, 41(2): 191-195.
Google Scholar
[16]
Li Y D, Chen T J, Ma Y, et al. Microstructural characteristic and secondary solidification behavior of AZ91D alloy prepared by thixoforming[J]. The Chinese Journal of Nonferrous Metals, 2008, 18(1): 18-23.
Google Scholar
[17]
Wang N N, Peng H, Wang K K, et al. Method and apparatus for injection molding of semi-solid metals[P], US Patent 5501266, (1996).
Google Scholar
[18]
Ji S, Fan Z, Bevis. Semi-solid processing of engineering alloys by a twin-screw rheomolding process[J]. Materials Science and Engineering, 2001, 229A: 210-217.
DOI: 10.1016/s0921-5093(00)01373-3
Google Scholar
[19]
Kaufmann H, Wabusseg H, Uggowitzer P J. Metallurgical and processing aspects of the NRC semi-solid casting technology[J], Aluminum, 2000, 76: 70-75.
Google Scholar
[20]
Zheng X P, Wang H B, Li D H. Study on Rheologic Properties of Semisolid AZ91D Alloys[J]. Journal of Harbin University of Science and Technology, 2005, 10(4): 44-47.
Google Scholar
[21]
Wu S S, Li D G, Mao Youwu, et al. Microstructure and Mechanical properties of Rheologic die-casting for AZ91D Magnesium Alloy[J]. Foundry, 2002, 51(10): 583-586(in chinese).
Google Scholar
[22]
MAO W M, ZHEN Z S, YAN S J, ZHONG X Y. Rheological Behavior of Semi—Solid AZ91D Alloy[J]. J. Mater. Sci. Techno1., 2004, 20 (5): 580-582.
Google Scholar
[23]
Kang Y L, Mao W M, Hu Z Q. Process theory and Technology of Semisolid forMetals[M]. Beijing: Science Press, 2004(in chinese).
Google Scholar
[24]
Kang Y.L., An L. Experimental study on rheoforming of semi-solid magnesium alloys[C]. Proceedings of the 7th on semi-solid processing of alloys and composites. Tsukuba, Japan, 2002, 287-292.
Google Scholar
[25]
Li D N. Study on Semi-solid Magnesium Alloy and Its Preparation Technique[D], Wuhan: Huazhong University of Science and Technology, 2005 (in chinese).
Google Scholar
[26]
Huang G J, Xie S S, Cheng L, et al. Effects of Stirring Parameters on Compactness of Grains for AZ91D Semisolid Magnesium Alloy[J]. Rare Metals, 2007, 31(5): 606-609(in chinese).
Google Scholar
[27]
Hu F X. Influence of technological parameters on apparent viscosity of semi-solid magnesium alloy[J]. Light Metal, 2008, 6: 48-50.
Google Scholar
[28]
MAO W M, ZHEN Z S, CHEN H T. Microstructures of AZ91D alloy solidified during electromagnetic stirring[J]. Transactions of Nonferrous Metals Society of China, 2005, 15(1): 72-76.
Google Scholar
[29]
Han F Y, Zhang J S, Gao Y B, et al. Effect of Electro-magnetic Stirring on Microstructure of Semisolid Magnesium Alloy AZ91D[J]. Foundry Technology, 2005, 26(6): 497-499+507(in chinese).
Google Scholar
[30]
Zhang X, Du Y H, Zhang J, et al. Study on macro- segregation controlling of Al-9Gr bearing alloy[J]. Special Casting & Nonferrous Alloys, 2009, 29(2): 148-149.
Google Scholar
[31]
Xie S S, Yang H Q, Li X G. Damper cooling tube method to prepare semi-solid slurry of magnesium alloy[C]. Proceedings of the 8th Int'1 Conf. On semi-solid proceeding of alloys and composites, (2004).
Google Scholar
[32]
Yang H. Q., Xie S. S., Li L. Numerical Simulation of the Preparation of Semi-solid Metal Slurry with Damper Cooling Tube Method[J]. Advances in Rheology and Its Application, 2005: 96-99.
Google Scholar
[33]
Yang H Q, Xie S S, Li L, et al. Numerical simulation and parameters optimization of preparation of AZ91D magnesium alloy semi-solid slurry by damper cooling tube method[J] , Trans. Nonferrous Met. Soc. China, 2006, 16(3): 488-494.
Google Scholar
[34]
Kamado S. Ikerya N, Rudl R S, Araki T, et al. application of semi—solid forming to Mg-Al-Zn-Ca alloys[J] Materials Science Forum. 2000, 350-351; 205—214.
DOI: 10.4028/www.scientific.net/msf.350-351.205
Google Scholar
[35]
Wang J G. The mechanism for the semisolid microstructural evolution of the AZ91D magnesium alloy fabricated by strain induced melt activation[D]. Changchun: Jilin University, 2005(in chinese).
Google Scholar
[36]
Xiong A H, Yuan S, Wang W X, et al. Effects of deformation rate on shaping microstructure and for AZ91D semi-solid magnesium alloy[J]. Foundry Technology, 2005, 26(1): 46-48(in chinese).
Google Scholar
[37]
Jiang J F, Peng Q C, Shan W W, et al. Preparing Billets of AZ91D semi-solid magnesium alloy using new SIMA[J]. Special Casting & Nonferrous Alloys, 2005, 25(12): 740-743(in chinese).
Google Scholar
[38]
Resehowski A, Oleinik L. Numerical and Physical Modeling of P1astic Deformation in 2-Turn Equal Channel Angular Extrusion[J]. Journal of Materials Processing Technology, 2002, 125-126(1-2): 309-316.
DOI: 10.1016/s0924-0136(02)00339-4
Google Scholar
[39]
Jiang J F, Luo S J, Wang Y. Semi-solid microstructure evolution of AZ91D magnesium extruded by equal channel angular die[J]. Transactions of Nonferrous Metals Society of China, 2004, 14(5): 752-758.
DOI: 10.1016/s1003-6326(07)60012-0
Google Scholar
[40]
Lu G X, Chen T J, Hao Y. Microstructure Evolution of AZ91 D Magnesium Alloy by Equal Channel Angular Pressing During Semi-Solid Isothermal Heat Treatment[J]. Foundry, 2008, 57(6): 544-548.
Google Scholar
[41]
Ai L S. Study on the metamorphism of Ce and Sb to AZ91 magnesium alloy as-cast and semi-solid microstructure[D]. Xi'an: Xi'an University of Technology, 2006(in chinese).
Google Scholar
[42]
Zhang R, Yuan S, Jiang B L, et al. Effects of Ce on the Microstructure of Eutectic Mg-Al Alloys[J]. Special Casting & Nonferrous Alloys, 2006, 26(5): 310-312.
Google Scholar
[43]
Pan Y, Liu X F, Yang H. Sr Microalloying for refining grain size of AZ91D magnesium alloy[J]. Journal of Wuhan University of Technology-Materials Science Edition, 2007, 22(1): 74-76.
DOI: 10.1007/s11595-005-1074-6
Google Scholar
[44]
Kitamura T. Thixomolding process of Mg alloy[J], Sokeizai, 1995, 36(5): 1-7.
Google Scholar
[45]
D J Britnell, K Neailey. Macrosegregation in thin walled castings produced via the direct squeeze casting process[J]. Journal of Materials Processing Technology, 2003, 138 (8): 306-310.
DOI: 10.1016/s0924-0136(03)00090-6
Google Scholar
[46]
Chen X Y, Zeng D B. Applied Situation and developing prospects of magnesium alloy casting[J]. Foundry, 1999(11): 53-55(in chinese).
Google Scholar
[47]
Cui X P. The research on the microstructure and process of thixomolding AZ91D magnesium alloy[D]. Changchun: Jilin University, 2006 (in chinese).
Google Scholar
[48]
D J Britnell, K Neailey. Macrosegregation in thin walled castings produced via the direct squeeze casting process[J]. Journal of Materials Processing Technology, 2003, 138 (8): 306-310.
DOI: 10.1016/s0924-0136(03)00090-6
Google Scholar
[49]
Liu Zheng, Zhang Kui, Zeng Xiaoqin. Theoretical Foundation and Application of Mg-Based Light Alloy[M], Beijng: China Machine Press, 2006, 1(in chinese).
Google Scholar
[50]
Loong M. T, Essadiqi E., and Kao V. Thixocasting and thixoforging of magnesium AZ91D alloy[C]. Proceedings of the 7th International Conference Semi-Solid Processing of Alloys and Composites, Tsukuba, 2002: 263-268.
Google Scholar
[51]
Xie S H, The Applications and development of semisolid metal process in industry[C]. Proceedings of the 2nd Conference on Semi-Solid Metal Process, Beijing, 2002: 1-5.
Google Scholar
[52]
WANG Q D, LU Y Z. Effects of RE on microstructure and properties of AZ91 magnesium alloy[J]. Transactions of Nonferrous Metals Society of China, 2000, 10 (2): 150-154.
Google Scholar
[53]
Liu B C, Shen H F, et al. Process in numerical simulation of solidification process of shaped casting[J]. Journal of Materials Science and Technology, 1995, 5(11): 312- 324.
Google Scholar
[54]
Chen Y, Zhao Y H, Hou H. Numerical simulation for thermal flow filling process of casting[J]. Transactions of Nonferrous Metals Society of China, 2002, 16: 214-218.
Google Scholar
[55]
Zhang X L. Research and development on semisolid slurry processing technology of Mg- and Al-based alloy[D]. Dalian: Dalian University of Technology, 2008(in chinese).
Google Scholar