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Performance comparison of AlTiC and AlTiB master alloys in grain refinement of commercial and high purity aluminum LI Jian-guo(李建国)1, HUANG Min(黄 敏)1, MA Mo(马 蓦)1, YE Wei(叶 炜)1, LIU Dong-yu(刘东雨)1... at the addition level of 0.2%. However, at the addition level of 0.5%, there still exists great performance difference between AlTiC and Al5TiB alloys in grain refinement of 99.98% and 99.995% high......
Grain refinement process of pure iron target under hypervelocity impact NI Chuan-hao, XU Qiang, WANG Fu-chi School of Materials Science and Engineering, Beijing Institute of Technology, Beijing... observation was performed to reveal the grain refinement process driven by plastic deformation. Firstly, low energy dislocation structures (LEDS) such as dense dislocation walls (DDWs) and dislocation tangles......
Microstructure formation and grain refinement of Mg-based alloys by electromagnetic vibration technique M. J. LI, T. TAMURA, N. OMURA, K. MIWA National Institute of Advanced Industrial Science... was proposed to account for the microstructure formation and grain refinement when considering the significant difference of the electrical resistivity properties of the solid and the liquid during EMV......
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Grain refinement of AZ31 magnesium alloy by new Al-Ti-C master alloys HAN Guang(韩 广), LIU Xiang-fa(刘相法), DING Hai-min(丁海民) Key Laboratory for Liquid-Solid Structural Evolution... addition of Ti is believed to increase the grain refinement efficiency of Al4C3-containing Al-Ti-C master alloys in AZ31 alloy. Key words: Mg-Al based alloys; grain refinement; Al-Ti-C master alloys; Al4C3......
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Nucleation mechanism for grain refinement in A357 alloy by Al-Ti-B master alloysZHU Zhao-jun(朱兆军)1, ZENG Song-yan(曾松岩)1, GUO Li-wei(郭立伟)2, WANG Hong-wei(王宏伟)1(1.School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China; 2.School of Mechanical Engineering, Harbin University of Science and Technology, Harbin 150080, China)Abstract:Grain refinement in A357......
Solidification microstructures and mechanism of grain refinement of electrolytic low titanium Al alloys WANG Ai-qin(王爱琴)1, 2, XIE Jing-pei(谢敬佩)2, LI Ji-wen(李继文)2, LIU Zhong-xia(刘忠侠)1, WANG... University of Science and Technology, Luoyang 471003, China Received 28 July 2006; accepted 15 September 2006 Abstract: The solidification microstructures and the mechanism of grain refinement......