THERMODYNAMIC INVESTIGATION OF THE LIQUID-IRON - NICKEL - TITANIUM-ALLOYS

被引：0
|
作者：
LUCK, R [1 ]
WANG, H [1 ]
PREDEL, B [1 ]
机构：
[1] UNIV STUTTGART,INST MET KUNDE,W-7000 STUTTGART 1,GERMANY
来源：
ZEITSCHRIFT FUR METALLKUNDE | 1991年 / 82卷 / 10期
关键词：
D O I：
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中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The mixing enthalpies of liquid Fe-Ni-Ti alloys have been estimated with different interpolation algorithms. The results of the estimations have been compared with the results of the experimental determinations with the aid of a high-temperature calorimeter at 1600-degrees-C. The DELTA-H data have been fitted according to the least squares method by a modified power series and the confidence limit of DELTA-H has been given for 95 % probability. The results of the calculations have shown that the Hillert-2 model is most suitable for the Fe-Ni-Ti system. For this reason, the mixing enthalpies of liquid Fe-Ni-Ti alloys have been estimated in the whole concentration range using Hillert-2 geometry. Beyond the concentration range of experimental determination the results of the calculation could be taken as a good approximation.
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页码：805 / 809
页数：5
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