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		题名	作者	年代	出处	被引量
	1	Grain Refinement by Electromagnetic Stirring and the Impact on the Mechanical Properties of AlSi-Alloys显示文摘This present study examines the directional solidification of A1Si7 alloys from a water cooled copper chill.A rotating magnetic field was used for melt agitation.Different magnetic field configurations were considered to demonstrate the impact of diverse flow conditions on the resulting microstructure and the mechanical properties.The solidified structure was evaluated in comparison to an unaffected solidified ingot.Measurements of the phase distribution,the grain size,the hardness and the tensile strength were performed.Our results reveal the potential of magnetic fields to control the grain size,the formation of segregation freckles and the mechanical properties.In particular,time-modulated rotating fields demonstrated their capability to homogenize both the grain size distribution and to improve the mechanical properties.	RBIGER Dirk KRβIG Christoph ECKERT Sven GERBETH Gunter	2012	Journal of Iron and Steel Research(International)2012，19，S1：	1
	2	Nondendritic Microstructure of 6061 Alloy Obtained by Electromagnetic Casting and Thixoformed Properties显示文摘The semi-solid 6061 aluminum alloy castings with t'me equiaxed nondendritic grains are obtained by means of electromagnetic casting method.Appropriate casting technical parameters are casting temperature---720℃,casting speed---100 mm/min,cooling water amount---0.09 m^3/min.The temperature field in the electric stove reheated to the liquid-solid zone is homogeneus and the prope reheating temperature is 630℃.When the mould temperature is 300-500℃,the parts used in automobiles can be thixoformed successfully,itsσ_b is 392 MPa,vigid 142.3 HV andδ_5 11.5%after T6 heat treatment.	LIU Jing YANG Yu long WANG Ping	2012	Journal of Iron and Steel Research(International)2012，19，S1：	0

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