Calorimetry in CuZn-Al alloys under different structural and microstructural conditions

被引：39

作者：

Pelegrina, JL ^{[1
]}

Romero, R

机构：

[1] CONICET, RA-8400 Bariloche, Rio Negro, Argentina

[2] Comis Nacl Energia Atom, Ctr Atom Bariloche, RA-8400 Bariloche, Rio Negro, Argentina

[3] Comis Nacl Energia Atom, Inst Balseiro, RA-8400 Bariloche, Rio Negro, Argentina

[4] Univ Nacl Cuyo, Inst Balseiro, RA-8400 Bariloche, Rio Negro, Argentina

[5] Univ Nacl Ctr Provincia Buenos Aires, IFIMAT, RA-7000 Tandil, Argentina

[6] CICPBA, RA-7000 Tandil, Argentina

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2000年 / 282卷 / 1-2期

关键词：

Cu-Zn-Al alloys; martensitic transformation; conduction calorimetry;

D O I：

10.1016/S0921-5093(99)00792-3

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Calorimetric measurements have been carefully performed on four kinds of Cu-Zn-Al samples, arising from the combination of different martensitic structures and from the presence or not of grain boundaries. The differences found in the transformation behaviour, characteristic transformation temperatures and in the corresponding thermodynamic properties (enthalpy and entropy changes) have been analyzed. The remarkable finding was that the transformation to 2H in the polycrystalline samples couldn't go on completion. On the other hand, this behaviour was not observed for the transition to 18R, within the experimental scatter. Published by Elsevier Science S.A.

引用

页码：16 / 22

页数：7

共 32 条

[11] PSEUDOELASTIC HYSTERESIS IN CU-ZN-AL SHAPE-MEMORY SINGLE-CRYSTALS [J].