MARTENSITIC-TRANSFORMATION AND METALLURGICAL STUDY OF LOW-TEMPERATURE CU-AL-BE TERNARY ALLOY

被引：17

作者：

BELKAHLA, S ^{[1
]}

GUENIN, G ^{[1
]}

机构：

[1] INST NATL SCI APPL,GRP ETUD MET PHYS & PHYS MAT,CNRS,ERA 341,F-69621 VILLEURBANNE,FRANCE

来源：

JOURNAL DE PHYSIQUE IV | 1991年 / 1卷 / C4期

关键词：

D O I：

10.1051/jp4:1991422

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The present study on a Cu-Al-Be alloy has given the following characteristics: the addition of small concentration of beryllium to the eutectoidal alloy close to Cu3Al leads to a sharp decrease of the martensitic transformation temperatures. At the same time the composition corresponding to the maximum stability of the beta phase does not change significantly. The eutectoidal temperature is lowered, but the temperature of beta solution treatment remains the same. Moreover there is no change in the nature of the martensitic transformation (DO3 <-- --> 4 18R). All these properties are very interesting from the industrial point of view: whatever is the M(s) temperature chosen, the beta phase stability will be approximately the same since the alloy is always close to the ''eutectoidal'' composition. This alloy will be the complement of Cu-Al-Ni alloy towards low transformation temperatures (from -200-degrees-C to +60-degrees-C) with approximately the same stability at high temperature.

引用

页码：145 / 150

页数：6