合金相图

（白色区域为输入数据区域，其它地方均为自动生成数据）班级：同组实验者：学号：实验时间：姓名：报告成绩：从不冷曲线上得出的拐点和平台wSn拐点/℃平台/℃0.2269.6328179.800.4247.2180.60.619184.40.8210.91841233.8wSn0.20.40.6190.8

利用上述数据得到有关作图点t/℃wSnt/℃wSn182.2182.2182.2184

00.20.40.619

328269.6247.2182.2

0.6190.81

t/℃182.2210.9233.8

350

ab

c

d

e

350300

t/ ℃f

300200

150100

0冷却曲线

时间

t / ℃250

25020015010000.2

Pb

冷却曲线趋势图数据a10111213141516b381.9377.7373.2368.3362.8357.4351.8505152535556292.7288.4284.2280276.1272.2268.6c90919293949596299.8298.6296.3293.8290.5287283.1d130131132133134135136207.6205.2202.6200.4197.9195.6193.3e180181182183184185186241.1237.8234.9231.9229226222.81718192021222324252627282930313233343536373839404142434447484950515253555657585960616263656667346.3340.4334.9329.8327.3327326.8326.6326.3326325.4324.1322.6320.3314.7305.3296.7288.8281.8275.9575859606162636566676869707172737475767778798081828384858687809192939495969799100101102103104105106107265.82.72.2263.3262.1260.1258.2256253.7251.2248.7245.8243.1240.1237.4234.5231.7228.7225.8223.6219.8216.9214211.4208.7206203.3200.7198.2195.6193.3190.8188.2186183.8181.6179.4177.3175.4176.6179.8181.2181.6180.9178.8174.1170.7167.31.4161.4159.29799100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147279.1274.9270.6266.5262.3258.22.2250246.2242.7239.3236.3231228.7226224221.8219.1216.3213.9211.1208.6205.8202.8200196.9194191.4188.7185.8183.1180.4175.2172.8170.3179.3179.9180.1180.3179.8179.6179.1178169.5165160.8137191.2138139140141142143144145146147148149150151152153115515615715815916016116216311651661671681691701711721731741751761771781791801811821831841851861871186.8184.9183181.3179.9178.1177.6180182182.6182.9183.1183.1183.1183.2183.3183.5183.4183.3183.2183.1183.1182.5181.8180.7176.7172.2168.11.8161.4158.4156153.4151.2149.3147.6145.9144.1142.5141139.5137.81871881190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237220.1217.1214.5211.7209.9209.9209.7209.3208.6207.4206.6206205.2204.2203.3202.5201.6200.6199.3198.2197.1195.8194.3193.2192190.61.1187.6186.6185.2184.1183.2183.3183.3183.3183.2183182.9181.8181.4180.8180.1179.3178.4177.1175.7170.4166.8163.7160.56869701081091101481491501881190238239240思考题：

1.对于不同成分混合物的步冷曲线，其水平段有什么不同？试分析原因答：

教师评语：

0.4

wSn0.6

0.81

Sn

二元金属相图

f220221222223224225226240.5240.3239.8239.8239.5238.4236.822722822923023123223323423523623723823924024124224324424524624724824925025125225322552562572582592602612622632265266267268269270271272273274275276277234.8232.5229.9232.7233233.2233.2233.2233.2233.2233.1233.2233232.9232.9232.8232.8232.8231.7232.5232.3232231.7231.1230.2229225.7218.7212.6207.2278279280