Calorimetry of ordering and disordering in AuCu alloys

被引：20

作者：

Battezzati, L

Belotti, M

Brunella, V

机构：

[1] Univ Turin, Dipartimento Chim, IFM, I-10125 Turin, Italy

[2] Univ Turin, Unita INFM, I-10125 Turin, Italy

来源：

SCRIPTA MATERIALIA | 2001年 / 44卷 / 12期

关键词：

gold alloys; order-disorder transition; enthalpy of transition; differential scanning calorimetry;

D O I：

10.1016/S1359-6462(01)00961-7

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ordering and disordering transitions in AuCu alloys were studied under annealing and rapidly solidification. The samples were analyzed using differential scanning calorimetry (DSC). Both processes were diffusive at low temperature and provided a measurable heat flow in wide temperature ranges. The transition from AuCuI to AuCuII occurred above 385 degrees Celsius where the existence of nucleation barrier was inferred from the change in shape of the DSC trace.

引用

页码：2759 / 2764

页数：6

共 15 条

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BATTEZATI L, IN PRESS J METASTABL

[2] Study of the order-disorder transition series in AuCu by in-situ temperature electron microscopy [J].