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TiC_p对Zn-10Al合金凝固行为的影响
引用本文:王香,曾松岩,张二林,王丽萍.TiC_p对Zn-10Al合金凝固行为的影响[J].中国有色金属学报,2001(1).
作者姓名:王香  曾松岩  张二林  王丽萍
作者单位:哈尔滨工业大学材料科学与工程学院!哈尔滨150001(王香,曾松岩,张二林),哈尔滨理工大学材料科学与工程学院!哈尔滨150080(王丽萍)
摘    要:利用XDTM 法与搅拌铸造技术相结合的工艺制备了TiCp/Zn 10Al(% )复合材料 ,采用定向凝固技术研究增强粒子TiCp 在凝固界面的行为及对复合材料凝固速度的影响。结果表明 :TiC颗粒被凝固的界面前沿所排斥 ,造成界面前沿TiC颗粒富集 ,但当TiC颗粒含量超过 6 %后 ,富集现象已不显著。同时发现随着TiC颗粒含量的增加 ,复合材料的凝固速度降低。

关 键 词:TiCp/Zn10Al  复合材料  定向凝固  凝固速度

Influence of TiC_p on solidification behavior of Zn-10Al alloy
WANG Xiang ,ZENG Song yan ,ZHANG Er lin ,WANG Li ping.Influence of TiC_p on solidification behavior of Zn-10Al alloy[J].The Chinese Journal of Nonferrous Metals,2001(1).
Authors:WANG Xiang  ZENG Song yan  ZHANG Er lin  WANG Li ping
Affiliation:WANG Xiang 1,ZENG Song yan 1,ZHANG Er lin 1,WANG Li ping 2
Abstract:TiC p/Zn 10Al(%) composites was fabricated by XD TM and stirring casting techniques. The behavior of reinforcement TiC particle in the solidification interface and its effect on the solidification velocity of composites were studied by the directional solidification. The results show that TiC particle is pushed by the solidification front, which results in the accumulation of TiC in the front. However this phenomenon is not obvious when the particle extent is more than 6%. Meanwhile, the solidification velocity of composites decrease with the increasing of the TiC particle content.
Keywords:TiC  p/Zn  10Al  composites  directional solidification  solidification velocity
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