含有化合物相的共晶转变理论模型

许军锋, 张宝东, Peter K Galenko

Model of Eutectic Transformation Involving Intermetallic Compound

XU Junfeng, ZHANG Baodong, Peter K Galenko

表1 Al-Al2Cu合金相关物理参数[30]

Table 1 The parameters for the model calculation of Al-Al2Cu eutectic growth[30]

Parameter Unit Value Parameter Unit Value Csα % 2.5 Csβ % 31.9 mα K·%-1 6.48 TE K 812 mβ K·%-1 6.70 CE % 17.1 CB % 33.33 C∞ % 17.1 Γα K·m 2.358 × 10-7 α m2·s-1 1.5 × 10-6 Γβ K·m 5.54 × 10-8 D m2·s-1 3 × 10-9 θα (°) 70 θβ (°) 52