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1篇 您的检索式：作者名="Hanman Liu"

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		题名	作者	年代	出处	被引量
	1	Effect of power ultrasound on microstructural characteristics and mechanical properties of Al_(81.3)Sn_(12.3)Cu_(6.4) monotectic alloy显示文摘The liquid phase separation process and solidification process of ternary Al_(81.3)Sn_(12.3)Cu_(6.4) monotectic alloy was accomplished with a 20 kHz ultrasonic field in the power range up to 500 W.As ultrasound power rised,the coarse primary(Al) dendrites turned into fine equiaxed grains,whose size decreased by one order of magnitude as that during static solidification.Meanwhile,rather than pronounced segregation of large secondary(Sn) blocks in the alloy sample solidified under static condition,tiny secondary(Sn) droplets dispersed homogenously within the(Al)matrix in the presence of ultrasound.Under the highest ultrasound power of 500 W,the spherical ternary(Al + Sn + θ(Al_2Cu)) monotectic cells formed.The refinement of primary(Al) dendrites and uniform distribution of secondary(Sn) droplets induced by power ultrasound result in the improvement of microhardness,wear resistance,compressive and yield strength of ternary Al_(81.3)Sn_(12.3)Cu_(6.4) monotectic alloy.	Wei Zhai Hanman Liu Pengfei Zuo Xiannian Zhu Bingbo Wei	2015	Progress in Natural Science:Materials International2015，25，5：	2

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