THE MECHANISM OF DYNAMIC INTERNAL-FRICTION DURING CREEP

被引：8

作者：

KONG, QP

ZHOU, H

机构：

[1] Institute of Solid State Physics, Academia Sinica, Hefei

来源：

SCRIPTA METALLURGICA ET MATERIALIA | 1995年 / 32卷 / 07期

关键词：

D O I：

10.1016/0956-716X(95)00071-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new mechanism of dynamic internal friction during creep has been proposed. In addition to the energy dissipated due to the motion of dislocations, we suggest that the energy dissipated due to the formation of new dislocations during deformation has to be taken into account. We show that the latter component plays an important role in the dynamic internal friction, and is responsible for the appearance of the Q-1-t peak and the amplitude effect. The predictions derived from this mechanism are in agreement with experiments. Based on the analyses in this study, some useful information can be deduced from the internal friction data. © 1995.

引用

页码：1037 / 1042

页数：6

共 17 条

[1]

[Anonymous], 1982, THEORY DISLOCATIONS

[2] A MODEL FOR STEADY STATE CREEP BASED ON MOTION OF JOGGED SCREW DISLOCATIONS [J].