Sn-Bi S.J.T.U. Phase Transformation and Applications Page 7/40 Weight Percent Bismuth 3040 60 60 70 90 100 3001 0 Sn中溶有 271,A42*℃ B形成固 250 23j,0681C L 溶体 200 自由度2 150 1699℃ 1和 0.8 100 (Bi) 溶解度变化很 50- 大！ 13C (aSn) 0 0 20 30 90 80 100 Sn Atomie Percent Bismuth i SJTU Thermodynamics of Materials Spring 2008 ©X.J.Jin Lecture 17 Phase Diagram IllPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2008 © X. J. Jin Lecture 17 Phase Diagram III Page 7/40 Sn-Bi Sn中溶有 Bi形成固 溶体 自由度2 溶解度变化很 大！