ULTRASONIC RELAXATION EFFECTS IN FE-NI INVAR-TYPE ALLOYS

被引：16

作者：

FLETCHER, R

机构：

[1] Department of Physics, University of Toronto, Toronto, Ont.

来源：

JOURNAL OF PHYSICS PART C SOLID STATE PHYSICS | 1969年 / 2卷 / 11期

关键词：

D O I：

10.1088/0022-3719/2/11/324

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Measurements on the ultrasonic attenuation and velocity are presented for several Invar-type iron-nickel alloys in the temperature range 1·5-77°K. The results are interpreted in terms of the presence of a relaxation mechanism within the alloys, and a simple relation is derived between the attenuation and the rate of change of the elastic modulus with temperature.

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页码：2107 / &

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