董祥雷 - 郑州大学 - 材料科学与工程学院

研究领域

熟悉微观组织模拟的基本方法与应用领域，主要研究方向是材料制备过程中的生长动力学模拟。已开展的工作包括1）定向凝固下轻合金的枝晶间竞争：主要研究Al、Mg、Ti等轻合金中三维倾斜枝晶的阵列间距稳定性、尖端稳定性、生长方向选择以及侧枝形貌选择等；2）定向凝固下高温合金的海藻状组织：主要研究Co-Sn基合金体系中海藻状枝晶与海藻状共晶产生的内在机理，揭示各向异性在海藻状组织形成与转变中的调控作用；3）电场作用下的自由枝晶生长：主要研究Ag、Li等合金枝晶在电迁移、电化学沉积、流场以及焦耳热等多场耦合作用下的形态转变机制。

近期论文

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1. X.L.Dong, H.Xing, K. R. Wong, et al., Current development in quantitative phase-field modeling of solidification, Journal of Iron and Steel Research International, 2017, 24(9): 865-878 . 2. X. L. Dong,H.Xing, C.L.Chen, et al., Thin interface analysis of a phase-field model for epitaxial growth with nucleation and Ehrlich-Schwoebel effects, Journal of Crystal Growth, 2014, 406, 59. 3. X.L. Dong, H. Xing, S. Sha, et al., Phase-field modeling of epitaxial growth with the Ehrlich-Schwoebel barrier: Model validations and applications, Science China Technological Sciences, 2015, 58(4): 753-762. 4. X.L. Dong, H. Xing, C.L. Chen, et al. Phase-field modeling of submonolayer growth with modulated nucleation regimes, Physics Letters A, 2015, 379(39): 2452-245 5. X.L. Dong, H. Xing, C.L. Chen, et al. Phase-field modeling of facet hexagonal spirals with anisotropy, deposition, and kinetic effects. Acta Physica Sinica, 2016, 65(2): 020701. 6. H. Xing, K. Ankit, X.L. Dong, et al. Growth direction selection of tilted dendritic arrays in directionalsolidiﬁcation over a wide range of pulling velocity: A phase-field study, International Journal of Heat and Mass Transfer, 2018, 117: 1107-1114. 7. H. Xing, X.L. Dong, H.J. Wu, et al. Degenerate seaweed to tilted dendrite transition and their growth dynamics in directional solidification of non-axially oriented crystals: a phase-field study. Scientific Reports, 2016, 6: 26625 8. H. Xing, X.L. Dong, C.L. Chen, et al. Phase-field simulation of tilted growth of dendritic arrays during directional solidification. International Journal of Heat and Mass Transfer, 2015, 90: 911-921. 9. P. Li, X.L. Dong, Y.Q. Gao, L.X. Ren, et al. Photocarrier transport and dynamics in mixed-phase BiFeO3 films. Optics Express, 2016, 24(8): 9119-9129. 10. H. Xing, P.P. Duan, X.L. Dong, et al. Phase-field modeling of growth pattern selections in three-dimensional channels. Philosophical Magazine, 2015, 95(11): 1184-1200.