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Effect of Creep Deformation on the Crystallographic Orientation Distribution in Ni Base Superalloy

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Abstract:

The crystallographic orientation distribution, and its change as a function of creep deformation in Ni-based single crystal superalloys have been investigated by X-ray diffractometry. The distribution of the crystallographic orientation has significantly broadened by creep deformations. Directional broadening of the distribution agrees with creep dislocations having the burgers vector of 1/2<101>. High temperature creep strain of superalloys can be estimated by a non-destractive test where the width of rocking curve of a diffraction peak is measured.

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Periodical:

Advanced Materials Research (Volumes 26-28)

Pages:

213-216

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.26-28.213

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Online since:

October 2007

Authors:

Toru Inoue, Katsushi Tanaka, Hiroki Adachi, Kyosuke Kishida, Haruyuki Inui

Keywords:

Creep, Crystallographic Orientation, Raft Structure, X-Ray Diffraction (XRD)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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