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Parameters affecting microsegregation in phase-field simulation ZHU Chang-sheng(朱昌盛)1, 2, WANG Zhi-ping(王智平)2, JING Tao(荆 涛)3, XIAO Rong-zhen(肖荣振)2 1. CAD Center, Lanzhou University of Technology... parameter(γ) and the noise amplitude(α) upon microsegregation patterns during the crystal growth was investigated by using the phase-field model which incorporated the concentration field equations......
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Influence of coupling with calculation of phase diagrams on microsegregation forming simulation of Al-4.5%Cu alloy LIU Yong-gang(刘永刚)1, CHEN Guang(陈 光)1, SUN Guo-xiong(孙国雄)2 1. Joint... 210096, China Received 20 April 2006; accepted 30 June 2006 Abstract: The effect of coupling with calculation of phase diagrams on microsegregation forming simulation was investigated......
/algorithm, a method considering heat transfer was proposed to predict the solidification paths and microsegregation of alloys solidified under the same condition. The new algorithm and method were closely... performed on an Al-2Si-3Mg alloy system indicates the availability and reliability of the model/algorithm and the proposed method for predicting solidification paths and microsegregation. Computional......
-peng. Effect of ultrasonic treatment on ingot microsegregation of 7050 aluminum alloy[J]. Transactions of Beijing Institute of Technology, 2016, 36(11): 1105-1110. [7] ESKIN G I. Improvement...]. The Chinese Journal of Nonferrous Metals, 2011, 21(2): 318-324. [14] GANESAN M, THUINET L, DYE D, LEE P D. Quantification of microsegregation in cast Al-Si-Cu alloys[J]. Metallurgical and Materials......
, XIA Dan, JIANG Tao, ZHU Zi-zong. Numerical simulation of the microsegregation of Al-Si binary alloy using phase-field method[J]. Transactions of Materials and Heat Treatment, 2014, 35(3): 213-217. [3...迫对流对合金凝固枝晶微观偏析影响的相场法模拟[J]. 铸造技术, 2013, 34(12): 1698-1701. LIU Qiang, YANG Xiang-jie, LIU Zhi-ling. Simulation on effect of forced flow on microsegregation in binaryalloy based on phase field method[J......
Modified cellular automaton model for modeling of microstructure and microsegregation in solidification of ternary alloys ZHU Ming-fang(朱鸣芳)1, CAO Wei-sheng2, CHEN Shuang-lin3, XIE Fan-you2, HONG... increasingly close to the Scheil profiles as the solidification rate decreased. The simulated microstructure and microsegregation in an Al-Cu-Mg ternary alloy were compared with those obtained......
Reduction in Microsegregation in Al-Cu Alloy by Alternating Magnetic FieldSheng-Ya He1,2,Chuan-Jun Li1,Tong-Jun Zhan1,Wei-Dong Xuan1,Jiang Wang1,Zhong-Ming Ren11. State Key Laboratory of Advanced Special Steel and School of Materials Science and Engineering,Shanghai University摘 要:The microsegregation behavior of the Al-4.5 wt%Cu alloy solidified......
低频电磁铸造Al-4.5%Cu合金微观偏析研究陈丹丹1,张海涛1,王向杰1,崔建忠1(1.辽宁省沈阳市东北大学材料电磁过程研究教育部重点实验室)摘 要:利用直接水冷半连续(常规DC)铸造工艺和低频电磁铸造(LFEC)工艺分别制备了Al-4.5%Cu(质量分数)合金铸锭.测量了常规DC铸造和LFEC过程中的温度曲线,研究了低频电磁场条件下的铸锭微观组织变化和Cu元素的微观偏析.通过金相观察发现,在低频电磁场作用下,α-Al和θ相的共晶组织变得细小,其面积分数明显减小.利用电子探针测量结果绘制Cu元素成分曲线,发现......