Change in the specific isobaric heat capacity of the ultrafine-grained 1421 aluminium alloy

被引:0
|
作者
Zemlyakova, N. V. [1 ]
Moskvichev, A. A. [1 ]
机构
[1] RAS, Inst Problems Mech Engn, Nizhnii Novgorod, Russia
来源
关键词
ultrafine-grained materials; differential scanning calorimetry; specific isobaric heat capacity; enthalpy;
D O I
10.22226/2410-3535-2013-2-110-112
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
It is shown that main changes in the enthalpy of 1421 aluminum alloy with both the ultrafine-grained (UFG) and coarse-grained (CG) structures occur in the temperature range 50-270(circle)C The differences of changes in the enthalpy and heat capacity in the two states observed during heating are determined by the differences of redistribution rates of defects during heating and also by the precipitation of AlLi phase, which has higher heat capacity than the solid solution in the temperature range 70-150(circle)C
引用
收藏
页码:110 / 112
页数:3
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