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Article ID: 1003-6326(2005)02-0379-05 Directionally solidified microstructures and peritectic phase growth of Cu-75%Sn peritectic alloy LI Shuang-ming(李双明)1, Lū Hai-yan(吕海燕)1, ZHANG Rong(张..., Northwestern Polytechnical University, Xi′an 710072, China) Abstract: Directionally solidified microstructures of Cu-75%Sn peritectic alloy were investigated at the growth rate ranging from 1......
to investigate the convection effects on phase and microstructure selection in directionally solidified peritectic alloy. Due to the convection effects, the steady-state compositions of one phase... for a peritectic alloy with convection effect, which shows that the compositional range for banding reduces, and moves to the hyperperitectic region, and also the coupled growth region of both solids comparing......
Phase and Microstructure Selection During Directional Solidification of Peritectic Alloy Under Convection ConditionLingshui Wang,Jun Shen,Yilong Xiong,Yujun Du,Hengzhi FuState Key Laboratory of Solidification Processing,Northwestern Polytechnical University摘 要:A phase and microstructure selection map used for peritectic alloy directionally solidified......
Vacuum Electromagnetic Levitation Melting and Undercooling of Peritectic Terfenol-D 马伟增1,季诚昌1,郑红星1,李建国1 (1.School of Materials Science and Engineering, Shanghai Jiaotong University, Shanghai 200030, China) Abstract:For the first time, the undercooling of a magnetostrictive material-a near peritectic Tb0.27Dy0.73Fe1.90 alloy was realized by vacuum electromagnetic levitation melting and 60 K......
in the mushy zone during directional solidification of Sn-Ni peritectic alloy was investigated in this study. Examination on the experimental results demonstrates that both the temperature gradient zone...Analysis on fluid permeability of dendritic mushy zone during peritectic solidification in a temperature gradientPeng Peng1,2,Jinmian Yue1,2,Anqiao Zhang1,2,Xudong Zhang1,2,Yuanli Xu1,21. Institute......
Cu-15.6%Ge alloy with v=5 μm/s, the nonplanar remelting interface near the trijunction is presented. The morphological stabilities of the solidifying peritectic phase and the remelting primary phase... is almost constant during the peritectic reaction, the morphological stability of ζ is irrelevant to initial alloy composition, which is mainly dependent on the growth conditions. 3) Constitutionally......
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Competition Growth of α and β Phases in Ti-50 at.%Al Peritectic Alloy during the Rapid Solidification by Laser Melting TechniqueWenjing YAO1,Xiuling NIU1,Long ZHOU1,Nan WANG1,Jehyun LEE21. The Key... and Components, Changwon National University,92 Toechon-ro, Uichang-gu Changwon-si摘 要:Rapid solidification of Ti-50 at.%Al peritectic alloy is realized......
. The microstructures from directionally solidified TiAl alloys with given compositions were in good agreement with the predicted selection map. Key words: TiAl peritectic alloy; directional solidification... cycle). 该循环是以Tp为温度中轴, 以cp为成分中轴, 固相围绕图中G-3-1-F-G, β与α交替生长, 液相围绕MN反复变化的循环过程. 图3 Ti-Al包晶合金定向凝固过程示意图 Fig.3 Schematic illustration of peritectic solidification process for Ti-Al alloy 图4 包晶合金定......
Processing, Northwestern Polytechnical University, Xi’an 710072, China) Abstract: The growth characteristic of peritectic alloy during directional solidification was analyzed theoretically and compared with the growth characteristic described in the classical eutectic coupled growth model (Jackson-Hunt model), and a superheating steady state coupled growth model for peritectic alloy was presented......
