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Mechanism of improved electromigration reliability using Fe-Ni UBM in wafer level packageLi-Yin Gao1,2,Hao Zhang1,3,Cai-Fu Li1,3,Jingdong Guo1,Zhi-Quan Liu1,2,31. Institute of Metal Research,Chinese Academy of Sciences2. University of Chinese Academy of Sciences3. The Institute of Scientific and Industrial Research,Osaka University摘 要:Fe-Ni films......
on the composition and structure of Ni-Fe alloys[1-7], investigate the electrocrystallization process[8], and model the galvanostatic pulse and pulse reverse plating of Ni-Fe alloys on a rotating... the different nucleation process and different growth types[17-23]. The goal of this paper is to probe into the electrocrystallization nucleation/growth processes of Ni-Fe alloys in chloride-boric acid......
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(XAl 99.70, A-4), modified with Sr or RE, or both, and inoculated with Ti or B, or both. The commercial A356 alloys with a nominal composition of 7%Si, 0.35%Mg, 0.12%Fe were melted in a 7 kW...): 393-396. [6] KNUUTINEN A, NOGITA K, MCDONALD S D, DAHLE A K. Modification of Al-Si alloys with Ba, Ca, Y and Yb[J]. Journal of Light Metals, 2001(1): 229-240. [7] NI Hong-jun, SUN Bao-de, JIANG Hai-yan......
Conception of tooling adapted to thixoforging of high solid fraction hot-crack-sensitive aluminium alloys G. VANEETVELD1, A. RASSILI1, J. C. PIERRET1, J. LECOMTE-BECKERS2 1. Thixo Unit, B56... Received 13 May 2010; accepted 25 June 2010 Abstract: Thixoforging is a type of semi-solid metal processing at high solid fraction (0.7<φs<1), which involves the processing of alloys in the semi......
Interaction of crack with twins in hot-rolling AZ31 magnesium alloys during in-situ TEM straining experiments WU Luo-yi(吴落义)1, WU Cui-lan(伍翠兰)1, XIA Wei-jun(夏伟军)2, CHEN Zhen-hua(陈振华)2 1. Center..., subsequently the cracks extend into adjacent grains across grain boundaries, and grow along cleavage plane. Multiple twins are observed in hot-rolling AZ31 magnesium alloys, when cracks propagate......
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Trans. Nonferrous Met. Soc. China 22(2012) 1190-1196 Characteristic atom sequences of Nb-Mo alloys system in BCC structure and properties of disordered alloys PENG Hong-jian1,2, WU Qing1, LI... 410083, China Received 16 March 2011; accepted 20 February 2012 Abstract: Comprehensively considering energy, volume and electronic structure of alloys, the ninth equation was determined......
用正电子湮没技术研究Fe-Ni殷钢中的马氏体相变于恩华东北工学院精密合金教研室摘 要:Fe-Ni合金系中,如果Ni含量为29~33wt％时,可产生针状或块状的马氏体,产生孪晶组织的马氏体相变,对合金的因瓦特性,往往导致不良后果,本实验在M3点以下的-10~-60℃正电子展宽谱中的线性参数S值急剧增加,低于-60℃以后则趋向稳定,在A→M正相变过程中,正电子湮没寿命和S值都随退火加回火的温度升高而下降.关键词:正电子湮没;殷钢;马氏体相变;因瓦特性;......
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