无机材料科学基础课件：第8章 相变（第一章）.ppt

1、21PPTT21TTPP21STPVPT2121,VVSSPPPTTTC222212TTPPV222212PPTT21TTPP21PTPTV2212212121,21PPCC2121,VVSSRR00TTT 0TT00TTT 0TTVdPdPPRTnrGnrGV23434nrTTHnr203434 GT3T2T1 G2 G1+0-rK rK GT3T2T1 G2 G1+0-rK rK 084)(02nrTTHnrdrGdKVVVKAGnGnGnG31163116332232323232164VKKGnnrARTGnnkkexpkinnI)exp()exp(0RTGRTGnnmkiDPRTGRT

2、GBmk)exp()exp()exp(RTGnnkk)exp(0RTGm 163116312220323THTnGnGVK)exp()exp(RTGRTGmkLMSMLSLSSrAG2LSMSLMcosVLSkGr2*4cos1cos2316223*VLSGGk fGGKk* 4cos1cos22f)exp(RTGGBImkSS)exp(0RTqnQSL)(exp0RTqGnQLS)exp(1)exp(0RTGRTqnQQQLSSL)exp(1)exp(0RTGRTqnQu)exp(1 0RTTTHBu00)exp(TTHGRTqnBTRTHBRTTTHBu200BBu)01 (dVINvNVdV 333434utrVdtVItudVv3334VV dttuIVVtv33034dtVItudVv3334IVuIVTuIVuIVTu0)/(22PTCG、0/22PTCG、CC CC CC 0)/(22PTCG、0/22PTCG、表表8-4 离子势与液相线的类型离子势与液相线的类型阳离子阳离子电荷数电荷数ZZ/r曲线类曲线类型型Cs+10.61Rb+10.67近 似 直近 似 直线线K+10.75Na+11.02Li+11.28S形线形线Ba2+21.40Sr2+21.57Ca2+21.89不混溶不混溶Mg2+22.56