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Optimizing the microstructures and mechanical properties of Al-Cu-based alloys with large solidification intervals by coupling travelling magnetic fields with sequential solidificationLei... & Engineering, Harbin Institute of Technology2. Department of Materials Science and Engineering, University of California摘 要:Alloys with large solidification......
志码:A Experimental and simulation of primary dendrite spacing in directional solidification of Al-7Si-0.36Mg alloy CHEN Rui, XU Qing-yan, LIU Bai-cheng (Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China) Abstract: The directional solidification dendritic morphology evolution......
and purification of silicon by combined Si-Sn alloy refining and directional solidification process WU Jian1, 2, WANG Zhi2, HU Xiao-jun1, GUO Zhan-cheng1, FAN Zhan-jun3, XIE Yong-long3 (1. State Key...) Abstract: The directional solidification of Si-Sn melt was carried out by controlling the temperature gradient and the moving velocity of thermal field in the ingot furnace. The morphology characteristics......
:Ag,3.96%；Cu,96.04%.参考下引连铸工艺的前期研究结果[13],本文采用的连铸制备参数如下:合金熔体温度为1180 ℃,拉停比为2:1,结晶器冷却水流量为300 L/h,连铸速度为18 mm/min.图1所示为下引连铸装置的示意图. 图1 下引连铸装置的示意图 Fig. 1 Schematic diagram of directional solidification... 518040, China) Abstract: A d 40 μm Cu-4%Ag alloy wire with high strength and high electrical conductivity was prepared by continuously directional solidification and cold drawing. The evolutions......
: Zn-5%Al-0.2%Bi (mass fraction) alloy was directionally solidified upward at a constant temperature gradient with a wide range of growth rates using a Bridgman-type directional solidification furnace.... Key words: directional solidification; zinc-aluminum alloy; microstructure; microhardness; tensile strength; electrical properties 1 Introduction Zinc-based alloys have high strength and hardness, which......
of phases both precipitated duringsolidification and post-solidification.Plane frontand cellular directional solidification of superalloyK5 lead to a substantial decrease of MC carbideand elimination...Effect of Solidification Interface Morphologies on Microstructures of a Ni-base Superalloy史正兴,李建平,傅恒志摘 要:<正> A cast Ni-base superalloy K5......
Effect of Re Addition and Withdrawal Rate on the Solidification Behavior of Directionally Solidified Superalloy AM3Y.S.Yoo,S.M.Seo,C.Y.Jo摘 要:The influence of Re addition and withdrawal rate on the solidification behavior of the first generation single crystal superalloy AM3 was investigated by directional solidification and quenching experiments.The......
convection during directional solidification was summarized [9]. Traveling magnetic fields have many advantages. For example, they interact more effectively with buoyancy-driven convection... and vertical gradient freeze method for metallic alloys [8-9]. Few studies, however, focused on the effects of the traveling magnetic field on convection in "mushy" zones during directional solidification......
and the cellular spacing decreases from 85 μm to 25 μm. Key words: Ni-45Ti-5Al alloy; directional solidification; microstructure; solid/liquid interface NiTi金属间化合物材料具有优良的力学性能,良好的形状记忆效应以及生物相容性,在航空航天和医疗... Heng-zhi, GUO Jing-jie, SU Yan-qing, LIU Lin, XU Da-ming, LI Jin-shan. Directional solidification and lamellar orientation control of TiAl intermetallics[J]. The Chinese Journal of Nonferrous Metals......
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