自发形核 自发形核 又叫均质形核,指液态金属绝对纯净,无任何杂质,也不和型壁接触,只是依靠液态金属能量的变化,由晶胚直接生核的过程。
spontaneous nucleation 自发成核 ; 晶核的自发形成自发形核 spontaneous depolarization 自动除极 ; 自动去极化 ; 去极化 ..
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采用连续形核模型来描述液相中的自发形核。
Continuous nucleation model is applied to describe heterogeneous nucleation in liquid metal.
结果表明氧化铝纤维与硅相之间存在共格界面,可作为硅相非自发形核的衬底;
The results indicate that there is a coupled interface between alumina fiber and Si phase, and the fiber can serve as propitious sites for the heterogenous nucleation of Si phase.
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