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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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考虑位错相互作用的混合控制模型下先共析铁素体生长动力学模拟
DOI: 10.11900/0412.1961.2015.00091, PP. 1136-1144
Keywords: 先共析铁素体,混合控制模型,台阶生长动力学
Abstract:
建立了考虑伴随台阶的位错间相互作用的界面反应-扩散混合控制模型,并利用该模型对先共析铁素体2个台阶以及多个台阶的生长过程进行模拟.结果表明,当只有2个台阶且其水平距离大于临界距离时,台阶之间相互吸引,能在一定程度降低领先台阶的生长速率;当2个台阶水平距离小于临界距离时,台阶之间相互排斥,增大领先台阶的生长速率;多台阶的情形下,伴随台阶的位错之间相互作用,台阶的合并规律发生改变,并对台阶生长速率产生一定影响.
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