Primary transformation rate measurements through differential scanning calorimetry

被引：2
|
作者：
Clavaguera-Mora, MT [1 ]
Clavaguera, N
Rodríguez-Viejo, J
机构：
[1] Univ Autonoma Barcelona, Dept Fis, Grp Fis Mat 1, Bellaterra 08193, Spain
[2] Univ Barcelona, Fac Fis, Dept ECM, Grp Fis Estat Solid, E-08028 Barcelona, Spain
来源：
MONATSHEFTE FUR CHEMIE | 2005年 / 136卷 / 11期
关键词：
DSC; reaction kinetics; alloys; crystallization;
D O I：
10.1007/s00706-005-0396-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The primary crystallization of molten alloy systems at high undercooling is studied by a precise quantitative analysis of the calorimetric signal obtained during the transformation in terms of the reaction rate under isothermal and continuous heating regimes. It is shown that, under specific conditions, namely, stoechiometric primary precipitates, generalized relationships for the crystallization enthalpy and the reaction rate may be obtained.
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页码：1947 / 1953
页数：7
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