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1、二元合金相图的绘制一、 实验目的二、 实验原理三、四、 数据处理T1T2T3T4T5T6347333.5322.8322.4314.5336341328.6318317.5310.1331335324313.2312.7305.8328329.1319.2308307308.3327.5322314303.4303.1297326.4318309298.7298.4292.8327.4313305.1294293.7288.5327.3308300.6289.5289.2284.2327.3303296.2285284.9280.2327298.4292280.7280.6276.2326.6
2、293.8287.7276.4276.4272.2326289.5283.5272.2272.2268.4324.9285.3279.3268.3269.3264.6321.3281.1275.4264.5264.5261.1310.9277.2271.5260.6260.7258301273.2267.7257257.1255.2292.4269.4264253.4253.4252.7284.8265.5260.3249.9250.1250.1277.9262256.9246.6246.7247.6271.7258.5253.4243.3343.3245.2266254.9250.1240.
3、1240.1243260.8251.5246.9237237241.2255.9248.2243.6234234.1239.2251.4244.9240.6231231.6236.8247.2241.8237.6228.1229234.2243.1238.6234.6225.2226.6231.5239.5235.5231.6222.5224.1228.8235.8232.7228.8219.8221.7226232.4229.8226.2217.2219.3223.2229.1227223.5214.7217220.4225.9224.2220.8212.2214.7217.7222.922
4、1.5218.3209.7212.4214.8219.9222.9215.7207.3210.2212.1217.1228.4213.3205208209.4214.5229.1211202.7205.8206.7211.8229.1208.7200.4203.6204.1209.3229.1206.4198.3201.4201.5206.9229204.2196.2199.3199204.6228.9202194.1197.2196.6202.3228.8199.9192195.2194.1200.1228.7197.9190193.2191.9197.9228.6195.9188.1191
5、.2189.6195.8228.5199.9186.1189.1187.4193.8228.4205.6184.3187.3185.3191.8228.2206.1182.4185.5183.1189.9228.1205.5180.7183.6181.2188228204.5178.8181.8179.2186.2227.9203.7177.3180.1178184.3227.6202.6175.5178.2175.4182.7227.2201.6174.2176.7173.6181225.9200.7172.6175171.8179.4220.3199.8176.1173.1174.2177
6、.6213.3198.9183171.7176.5176.2207197.8183.7170.1177.1174.6201.5196.4183168.7177.3173196.6195.5182167.3177.2171.6192194.2181.1174.6177170.1188.1192.9180.8178.3176.5168.6184.6191.5180.6179.2174.9167.2181.2190180.5179.5171.6165.8178.3188.5180.4179.6168.5164.4175.5186.9180.3179.6165.5163172.9185.4180.21
7、79.5162.8161.5170.6183.7180.1179.4160.4160.1168.3182.4180179.9158.1158.7166.3182179.8178.9156157.7164.2181.8179.8178.5154156162.4181.6179.6177.7152.4154.6160.6181.5179.5176.2150.8153.3158.9181.4179.2172.3149.3152157.3181.2178.8168.2148150.7155.8181.1177.3164.4146.8149.5154.2180.3172.9160.8145.8148.3
8、152.8176.6168157.7144.9147151.3172.3163.6154.8143.9145.8149.9168.4159.8152.4142.8144.7148.6164.8156.2150.2141.8143.4147.2161.5153.1148.4140.5142.3145.8158.5150.3146.6139.3141T(unknow)205.5204.5203.2201.4199.2196.9194.3191.5188.5185.4182.3181.5181.4181.1180.6180.2179.7179.2178.6177.7步冷曲线相图由图，低共熔混合物68%Pb ，温度176摄氏度五、 思考题1. 温度降低到低共熔温度，由于共晶反应使系统多了一个相，变成了三相平衡共存，此时系统自由度为0，因而温度相同。2. 温度计示数迅速上升时熔化