Influence of Dynamic Recrystallisation on Texture Formation in ECAP deformed Nickel

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3N nickel has been deformed by equal channel angular pressing (ECAP) at 400°C up to 3 passes using route A. The texture with respect to position in the deformed billet, i.e. from top to bottom, has been measured with high-energy synchrotron radiation. It is characterized by texture components typical for simple shear in the intersection plane of the square-shaped 90° bent channel. Besides, an oblique cube component is observed. Orientation imaging microscopy clearly shows that this component is due to partial recrystallization. Intensities of the texture components as well as deviations from their ideal shear positions vary from the top to the bottom of the billet and with the number of passes. The change of the intensity of texture components and the texture gradient investigated is discussed. Special emphasis is put on the influence of dynamic recrystallization on texture and microstructure formation during ECAP of fcc metals.

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:

575-580

DOI:

10.4028/www.scientific.net/MSF.558-559.575

Citation:

W. Skrotzki et al., "Influence of Dynamic Recrystallisation on Texture Formation in ECAP deformed Nickel", Materials Science Forum, Vols. 558-559, pp. 575-580, 2007

Online since:

October 2007

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Price:

$35.00

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