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Soldering of Zr-based bulk metallic glass and copper by Au-12Ge eutectic alloyJun Wang,Jing Cui,Hong-Chao Kou,Heng Guan,Jin-Shan LiState Key Laboratory of Solidification Processing, Northwestern Polytechnical University摘 要:Zr-based bulk metallic glass and copper with different surface roughness were soldered using low temperature eutectic Au-12 Ge(wt......
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Influence of Rare Earths on the Directional Solidification Microstructure of Tin-Lead Eutectic Alloy朱颖,方洪渊,钱乙余摘 要:InfluenceofRareEarthsontheDirectionalSolidificationMicrostructureofTinLeadEutecticAloyZhuYing(朱颖),FangHongyuan(方洪渊),QianYiyu...关键词:......
on hardness. The alloy microstructure is composed of a β-Sn dendritic region, surrounded by a eutectic mixture of α-Zn and β-Sn phases and the γ-Cu5Zn8 IMC.The eutectic interphase spacing varies...Dendritic Growth, Eutectic Features and Their Effects on Hardness of a Ternary Sn–Zn–Cu Solder AlloyBismarck Luiz Silva1,Rodrigo Valenzuela Reyes2,Amauri Garcia3,Jos Eduardo Spinelli21. Department......
of the solidification process on the following solution heat treatment of A356 alloy was investigated, where the cooling rates of 96 K/s and 3 K/s were obtained by the step-like metal mold. Then the eutectic silicon... of the solidification process can not only reduce the solid solution heat treatment time to rapidly modify the eutectic silicon morphology, but also improve the alloy tensile properties. Specially......
Microstructure evolution of eutectic Nb–24Ti–15Si–4Cr–2Al–2Hf alloy processed by directional solidificationZhen Li,Sai-Nan Yuan,Li-Na Jia,Bin Kong,Zhen Hong,Hu ZhangSchool of Materials Science and Engineering, Beihang Universtity摘 要:In this work, the near-eutectic Nb–24Ti–15Si–4Cr–2Al–2Hf(at%) alloy was directionally solidified at 1900 ℃ with withdrawal......
that the corrosion resistance of the near eutectic Al-Si-Mg alloy is less than that of 6063 alloy.Macro/microscopy and scanning electron microscopy results clearly show the difference of the corrosion progress... and distribution of them have a significant effect on the pitting behavior.For the near eutectic alloy,there are two types of corrosion cells. One is between the extruded primaryα-AI and the eutectic......
Mechanical, electrical, and thermal properties of the directionally solidified Bi–Zn–Al ternary eutectic alloyM.Sahin1,E.adrli21. Department of Electronics and Automation, Technical Vocational School of Sciences, Nigde University2. Department of Physics, Faculty of Arts and Sciences, Nigde University摘 要:A Bi–2.0Zn–0.2Al(wt%) ternary eutectic alloy......
0.45 is required to attain full modification of the eutectic silicon. Key words: Al-Si alloy; bismuth; strontium; modification; eutectic solidification 1 Introduction Melt modification treatment in Al... adding 0.5% Bi to the modified and grain-refined Al-10.8% Si alloy led to a noticeable coarsening of the eutectic Si particles [12]. Bismuth is usually added to improve the machinability......
" name="ChDivSummary">Al-Si eutectic growth mechanism was investigated in a directionally-solidified Al-13 wt%Si alloy with different strontium(Sr) and magnesium(Mg) additions,growth velocities...Effects of Strontium,Magnesium Addition,Temperature Gradient,and Growth Velocity on Al-Si Eutectic Growth in a Unidirectionally-solidified Al-13 wt%,Si AlloyHengcheng Liao1,Wanru Huang1,Fang Jia31......