THE EFFECT OF DO3 ORDERING ON THE PARENT REVERSIBLE MARTENSITIC-TRANSFORMATION IN THE CUZNAL SHAPE-MEMORY ALLOY

被引：6

作者：

DUTKIEWICZ, J

MORGIEL, J

机构：

[1] Polish Acad of Sciences, Inst for, Metal Research, Cracow, Pol, Polish Acad of Sciences, Inst for Metal Research, Cracow, Pol

来源：

JOURNAL OF MATERIALS SCIENCE | 1986年 / 21卷 / 02期

关键词：

HEAT TREATMENT - Quenching - MATERIALS WITH MEMORY - METALLOGRAPHY - Order-Disorder;

D O I：

10.1007/BF01145505

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The character of DO//3 ordering resulting from different quenching rates and its effect on the characteristic martensitic transformation temperatures and shape-memory effect in the Cu-21. 5 at%Zn-12. 5 at%Al alloy has been analyzed. In room temperature water-quenched samples showing B2 long-range order and DO//3 short-range order, a significant stabilization of martensite in the reverse transformation was observed. This stabilization was eliminated in the air-cooled samples showing DO//3 long-range order. Mechanical tests revealed a more complete shape recovery in the air-cooled samples, when compared to room temperature water-quenched ones.

引用

页码：429 / 434

页数：6

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