INTERFACE REACTION CONTROLLED CREEP

被引:32
作者
COCKS, ACF
机构
[1] Cambridge University Engineering Department, Cambridge, CB2 1PZ, Trumpington Street
关键词
D O I
10.1016/0167-6636(92)90044-E
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper extends a variational principle originally proposed by Needleman and Rice (1980) for the analysis of grain-boundary diffusion controlled processes to include the effects of an interface reaction. A numerical procedure is described for the analysis of two-dimensional arrays of regular hexagonal grains, which has the same structure as the finite element method. The procedures described are suitable for the analysis of the creep and sintering of fine grained materials, in situations where grain-boundary diffusion controlled mechanisms dominate.
引用
收藏
页码:165 / 174
页数:10
相关论文
共 15 条
[1]   INTERFACE CONTROLLED DIFFUSIONAL CREEP [J].
ARZT, E ;
ASHBY, MF ;
VERRALL, RA .
ACTA METALLURGICA, 1983, 31 (12) :1977-1989
[2]   BOUNDARY DEFECTS, AND ATOMISTIC ASPECTS OF BOUNDARY SLIDING AND DIFFUSIONAL CREEP [J].
ASHBY, MF .
SURFACE SCIENCE, 1972, 31 (01) :498-&
[3]   ON INTERFACE-REACTION CONTROL OF NABARRO-HERRING CREEP AND SINTERING [J].
ASHBY, MF .
SCRIPTA METALLURGICA, 1969, 3 (11) :837-&
[4]   INTERFACE REACTION CONTROLLED DIFFUSIONAL CREEP - CONSIDERATION OF GRAIN-BOUNDARY DISLOCATION CLIMB SOURCES [J].
BURTON, B .
MATERIALS SCIENCE AND ENGINEERING, 1972, 10 (01) :9-&
[5]   PLASTIC-DEFORMATION OF FINE-GRAINED ALUMINA (AL2O3) .1. INTERFACE-CONTROLLED DIFFUSIONAL CREEP [J].
CANNON, RM ;
RHODES, WH ;
HEUER, AH .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1980, 63 (1-2) :46-53
[6]   DIFFUSION CREEP THRESHOLD IN 2-PHASE ALLOYS [J].
CLEGG, WJ ;
MARTIN, JW .
METAL SCIENCE, 1982, 16 (01) :65-72
[7]  
Cocks A.C., 1989, APPL SOLID MECH, V3, P30
[8]   VOID GROWTH BY GRAIN-BOUNDARY DIFFUSION IN FINE-GRAINED MATERIALS [J].
COCKS, ACF ;
SEARLE, AA .
MECHANICS OF MATERIALS, 1991, 12 (3-4) :279-287
[9]  
COCKS ACF, 1990, CREEP FRACTURE ENG M, P11
[10]  
Dorre E., 1984, ALUMINA PROCESSING P