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		题名	作者	年代	出处	被引量
	1	Rapid monotectic solidification under free fall condition显示文摘Fe-48.8% Sn monotectic, Fe-40% Sn hypomonotectic and Fe-58% Sn hypermonotectic alloys have been rapidly solidified during free fall processing in drop tube. For droplets of 100—1000 mm, the maximum undercooling for Fe-48.8% Sn, Fe- 40% Sn and Fe-58% Sn alloys is 270, 282 and 288 K respectively. For Fe-48.8% Sn monotectic alloy, a homogeneously dispersed microstructure can be obtained when the droplet diameter is small, and the Marangoni migration velocity Vm is 37 times as fast as Stokes velocity Vs when the dispersion sphere radius is 6 mm and undercooling is 30 K. For Fe-40% Sn hypomonotectic alloy, the microstructure undergoes a transition from columnar a-Fe dendrites distributed in Sn-rich matrix to a-Fe particles. The growth velocity of a-Fe dendrite changes from 0.45 to 4.65 m/s when the droplet diameter varies from 1000 to 100 mm. For Fe-58.8% Sn hypermonotectic alloy, the grain size of primary a-Fe dendrites decreases remarkably when undercooling increases.	LIU Xiangrong LU Xiaoyu WEI Bingbo	2004	Science China(Technological Sciences)2004，47，4：	3

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