The Effect of Dislocations in Grains on Texture Formation in Strain Induced Boundary Migration

Abstract:

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In order to elucidate the predominance of Goss grains after SIBM in electrical steel sheets, Goss, D-Cube and {111}<112> grains after temper rolling of 5 and 9% reduction were observed by TEM. In 5% strain the amount of dislocations in Goss grains was the smallest of the three orientations. In 9% strain dislocations in Goss grains were distributed more heterogeneously than the other two types of grains. It is considered that {111}<112> grains have large amounts of dislocations owing to high Taylor factors and the differences of microstructures between Goss and D-Cube grains are due to orientation stabilities. Goss grains are speculated to be easy to recover and therefore they are predominant after SIBM.

Info:

Periodical:

Materials Science Forum (Volumes 558-559)

Edited by:

S.-J.L. Kang, M.Y. Huh, N.M. Hwang, H. Homma, K. Ushioda and Y. Ikuhara

Pages:

271-276

DOI:

10.4028/www.scientific.net/MSF.558-559.271

Citation:

K. Murakami et al., "The Effect of Dislocations in Grains on Texture Formation in Strain Induced Boundary Migration", Materials Science Forum, Vols. 558-559, pp. 271-276, 2007

Online since:

October 2007

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Price:

$35.00

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