Effect of ageing treatment on hardness of Cu-12.5 wt% Al shape memory alloy

被引：13

作者：

Soliman, H. N. ^{[1
]}

Habib, N. ^{[1
]}

机构：

[1] Ain Shams Univ, Dept Phys, Fac Educ, Cairo, Egypt

来源：

INDIAN JOURNAL OF PHYSICS | 2014年 / 88卷 / 08期

关键词：

Alloys; X-ray diffraction; Mechanical properties; Microstructure; Phase transitions; CU-AL; PHASE; TRANSFORMATIONS;

D O I：

10.1007/s12648-014-0480-z

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Influence of the martensitic phase transformations on mechanical behavior of Cu-12.5 wt% Al shape memory alloy has been studied using microhardness measurements, differential thermal analysis, optical microscopy, X-ray diffraction and energy-dispersive X-ray spectroscopy. Results show that microstructure of the alloy is affected by both ageing temperature and time. Consequently, a change in alloy hardness has been observed. It has also been found that the ageing temperature is more effective on both alloy microstructure and hardness than ageing time. It is worth noting that ageing of the alloy sample at 450 degrees C for 12 h has doubled its hardness compared with unaged sample.

引用

页码：803 / 812

页数：10

共 18 条

[1] Effect of Ag additions on the reverse martensitic transformation in the Cu-10 mass% Al alloy [J].