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1篇 您的检索式：作者名="HE Jiangtan"

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		题名	作者	年代	出处	被引量
	1	Solidification Behavior of in situ TiB_(2)/Cu Composite Powders during Reactive Gas Atomization显示文摘2wt%TiB_(2)/Cu composite powders were fabricated in situ by reactive gas atomization.The fabricated composite powder exhibits high sphericity,and the powder sizes range from 5μm to 150μm.The morphology of the Cu matrix and the distribution of the TiB2 particles in the composite powders vary with the powder size.The critical transitions of interface morphologies from dendritic-to-cellular and cellular-to-planar interfaces occurs when the composite powder sizes decrease to 34μm and 14μm,respectively.Compared with pure Cu droplets,the composite droplets undergo critical transition of the interface morphologies at a smaller droplet size corresponding to a higher cooling rate because the existence of TiB2 particles can cause instability in the advancing solidification front and heterogeneous nucleation.With decreasing powder size,the extent of the TiB_(2) particle interdendritic segregation decreases as the result of enhanced engulfment of TiB2 particles by the advancing solidification front.	姜伊辉 ZHANG Mingshu LI Yufa HE Jiangtan CAO Fei 梁淑华	2021	Journal of Wuhan University of Technology(Materials Science)2021，36，2：	2

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