Nabarro, FRN2007-02-062007-06-072007-02-062007-06-071998-11-13Nabarro, FRN. 1998. Stress-driven grain growth. Scripta materialia, vol 39 (12), pp 1681-16831359-6462http://hdl.handle.net/10204/1521http://hdl.handle.net/10204/1521This article shows the differences of two-dimensional polycrystal of a material with a rectangular unit cell with lattice spacing b and b (1 + epsilon), subjected to a uniform external stress sigma. Consider a grain in which the lattice vector of length b (1+ epsilon) is parallel to sigma, embedded in a grain in which the lattice vector b (1+ epsilon) is transverse to sigma. If the embedded grain grows at the expense of its matrix, the source of the stress will do work, and therefore the presence of this stress will drive the growth of the embedded grain. The author estimates the rate of this process, and discuss an apparently anomalous consequence of this estimate. The process involved is distinct from that of diffusional creep, but, because the two are related, provides a summary of the theory of diffusional creep.74829 bytesapplication/pdfenCopyright:1998 Pergamon-Elsevier Science LtdPolycrystalsEmbedded grain growthDiffusional creepsArticleNabarro, F. (1998). Stress-driven grain growth. http://hdl.handle.net/10204/1521Nabarro, FRN "Stress-driven grain growth." (1998) http://hdl.handle.net/10204/1521Nabarro F. Stress-driven grain growth. 1998; http://hdl.handle.net/10204/1521.TY - Article AU - Nabarro, FRN AB - This article shows the differences of two-dimensional polycrystal of a material with a rectangular unit cell with lattice spacing b and b (1 + epsilon), subjected to a uniform external stress sigma. Consider a grain in which the lattice vector of length b (1+ epsilon) is parallel to sigma, embedded in a grain in which the lattice vector b (1+ epsilon) is transverse to sigma. If the embedded grain grows at the expense of its matrix, the source of the stress will do work, and therefore the presence of this stress will drive the growth of the embedded grain. The author estimates the rate of this process, and discuss an apparently anomalous consequence of this estimate. The process involved is distinct from that of diffusional creep, but, because the two are related, provides a summary of the theory of diffusional creep. DA - 1998-11-13 DB - ResearchSpace DP - CSIR KW - Polycrystals KW - Embedded grain growth KW - Diffusional creeps LK - https://researchspace.csir.co.za PY - 1998 SM - 1359-6462 T1 - Stress-driven grain growth TI - Stress-driven grain growth UR - http://hdl.handle.net/10204/1521 ER -