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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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共晶形貌选择及界面失稳的多相场模拟
, PP. 914-918
Keywords: 多相场,共晶,层片失稳
Abstract:
采用KKSM多相场模型,研究了低速下定向凝固CBr4-C2Cl6薄试样的层片共晶界面失稳及形貌选择.多相场模拟结果真实再现了3种共晶层片界面失稳模式及其形貌选择的演化过程,随着初始层片间距的不断增加,其形貌选择变化依次为层片湮没→稳态生长→1λO不稳定性→2λO不稳定性→层片分叉与形核.模拟结果不仅与理论计算的形貌选择图相符,而且与实验结果定性一致.
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