Finite element analysis about effects of stiffness distribution on stresses and elastic strain energy near the triple junction in a tricrystal

被引:24
作者
Chen, CR [1 ]
Li, SX [1 ]
Wen, JL [1 ]
Jia, WP [1 ]
机构
[1] Chinese Acad Sci, State Key Lab Fatigue & Fracture Mat, Inst Met Res, Shenyang 110015, Peoples R China
来源
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2000年 / 282卷 / 1-2期
关键词
finite element analysis; triple junction; tricrystal;
D O I
10.1016/S0921-5093(99)00760-1
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A three-dimensional anisotropic finite element analysis was performed to investigate stresses and elastic strain energy in the models that were taken from a copper tricrystal. The purpose was to determine how the stiffness distribution affected the stress-state near the triple junction. The finite element results show that stresses and elastic strain energy density near the triple junction depend greatly on the stiffness distribution in tricrystal models. Because the bending and twisting deformation occurs when the tricrystal is uniaxially loaded, stresses at surfaces are significantly different from the interior stresses near triple junction. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:170 / 176
页数:7
相关论文
共 14 条
[1]   Self-organization of cooperative grain boundary sliding in aluminium tricrystals [J].
Astanin, VV ;
Sisanbaev, AV ;
Pshenichnyuk, AI ;
Kaibyshev, OA .
SCRIPTA MATERIALIA, 1997, 36 (01) :117-122
[2]   TRIPLE LINES IN POLYCRYSTALLINE AGGREGATES AS DISCLINATIONS [J].
BOLLMANN, W .
PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1984, 49 (01) :73-79
[3]   TRIPLE-LINE DISCLINATIONS REPRESENTATIONS, CONTINUITY AND REACTIONS [J].
BOLLMANN, W .
PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1988, 57 (04) :637-649
[4]   MICROSCALE PLASTIC INHOMOGENEITIES AND MACROSCOPIC BEHAVIOR OF SINGLE AND MULTIPHASE MATERIALS [J].
BRETHEAU, T ;
MUSSOT, P ;
REY, C .
JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME, 1984, 106 (04) :304-310
[5]   Cavitation at triple nodes in alpha-zirconium polycrystals [J].
Care, S ;
Zaoui, A .
ACTA MATERIALIA, 1996, 44 (04) :1323-1336
[6]   Characteristics of strain and resolved shear stress in a bicrystal with the grain boundary perpendicular to the tensile axis [J].
Chen, CR ;
Li, SX ;
Wang, ZG .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1998, 247 (1-2) :15-22
[7]   Microcracking due to grain boundary sliding in polycrystalline ice under uniaxial compression [J].
Elvin, AA ;
Sunder, SS .
ACTA MATERIALIA, 1996, 44 (01) :43-56
[8]  
Jia Weiping, 1998, Acta Metallurgica Sinica, V34, P696
[9]   RELATION BETWEEN POLYCRYSTAL DEFORMATION AND SINGLE-CRYSTAL DEFORMATION [J].
KOCKS, UF .
METALLURGICAL TRANSACTIONS, 1970, 1 (05) :1121-&
[10]   TRIPLE JUNCTIONS AT THE MESOSCOPIC, MICROSCOPIC AND NANOSCOPIC SCALES [J].
PRIESTER, L ;
YU, DP .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1994, 188 (1-2) :113-119