Evolution of intergranular stresses during in situ straining of IF steel with different grain sizes

被引：49
|
作者：
da Fonseca, J. Quinta
Oliver, E. C.
Bate, P. S.
Withers, P. J.
机构：
[1] Manchester Mat Sci Ctr, Manchester M1 7HS, Lancs, England
[2] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2006年 / 437卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
intergranular stresses; neutron diffraction; crystal plasticity;
D O I：
10.1016/j.msea.2006.04.057
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Despite its significant effect on metal deformation, grain size is not usually considered when modelling the evolution of intergranular stresses. This paper presents an experimental in situ straining neutron diffraction study of deformation in two interstitial free steels with different grain sizes, one with 80 mu m and one with 350 mu m. These were compared against the predictions of crystal plasticity finite element modelling, which is scale insensitive. Only small differences in the evolution of both mean grain family elastic strains and peak width were detected. These were attributed to local texture effects. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：26 / 32
页数：7
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