A phase field model for simulating the precipitation of multi-variant beta-Mg17Al12 in Mg-Al-based alloys

作者：Han Guomin; Han Zhiqiang^*; Luo Alan A; Sachdev Anil K; Liu Baicheng

来源：Scripta Materialia, 2013, 68(9): 691-694.

DOI：10.1016/j.scriptamat.2013.01.018

• Mg-Al-based alloys
• Multi-variant precipitation
• Phase-field model
• Elastic strain energy
• Interface anisotropy

A phase field model for simulating the precipitation of multi-variant beta-Mg17Al12, phase during the aging process of Mg-Al-based alloys was developed in which the interface anisotropy and the elastic strain energy were taken into account. A special numerical technique based on a hexagonal and an orthogonal mesh was employed to deal with the precipitate orientation and calculate the elastic strain energy. The model reveals the contribution of the interface anisotropy and the elastic strain energy in the evolution of the precipitates.

• 出版日期2013-5
• 单位清华大学