3-DIMENSIONAL ANALYSIS OF CREEPING POLYCRYSTALS USING PERIODIC ARRAYS OF TRUNCATED OCTAHEDRA

被引：12

作者：

DIB, MW ^{[1
]}

RODIN, GJ ^{[1
]}

机构：

[1] UNIV TEXAS,DEPT AEROSP ENGN & ENGN MECH,AUSTIN,TX 78712

来源：

JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS | 1993年 / 41卷 / 04期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0022-5096(93)90024-A

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

CREEP in polycrystals is modeled using three-dimensional periodic arrays of truncated octahedral with imperfect interfaces. Arising boundary-value problems are solved with the finite element method. As implemented in the present work, the finite element method is more accurate than a variational approach proposed for this array by ANDERSON and RICE (Acta Metall. 33, 409, 1985). Based on numerical results, simple estimates are provided for the overall response of polycrystals containing creep damage and for the principal facet stress.

引用

页码：725 / 747

页数：23

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