【摘要】 研究了初生硅在熔体中的溶解特性，并以原子扩散为模型，考虑界面反应等因素的影响．建立了初生硅在过热熔体中的溶解动力学模型 同时以 Ａｌ－１７％Ｓｉ合金为研究对象，采用等温液淬技术，对所建立的模型进行了实验验证 结果表明．初生硅在熔体中的溶解机制不是单纯受扩散控制的，而是由扩散、界面反应共同作用的结果 文中所建立的初生硅溶解模型可以较好地描述初生硅在不同温度过热熔体中的溶解特性．更多还原

【Abstract】 The dissolution process of primary silicon particles in the melt was studied both by melt overheating experiment and by theoretical analysis. A dissolution model of primary silicon in the melt was established based on the atomic diffusion and interface reaction. The results show that the dissolution mechanism of the primary silicon is controlled by two factors of solute diffusion and interface reaction. The dissolution model established can better describe the dissolution process of the primary silicon in overheating melt.更多还原