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Micro Stresses within Cu Bi-Crystal and Al Tri-Crystal after Plastic Deformation Observed by X-Ray and Neutron Diffraction

Shiro, Ayumi and Masayuki, Nishida and Muslih, M.Refai and Okada, Tatsuya and Takao, Hanabusa (2013) Micro Stresses within Cu Bi-Crystal and Al Tri-Crystal after Plastic Deformation Observed by X-Ray and Neutron Diffraction. Materials Science Forum, 768-76. pp. 366-373. ISSN 1662-9752

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Abstract

Microscopic residual stresses developed in a copper bi-crystal and in an aluminum tri-crystal after plastic deformation were investigated by X-ray and neutron diffraction. The copper bi-crystal tensile specimen was prepared so as to have a grain boundary along the tensile axis. The aluminum tri-crystal compressive specimen had a triple point and one of the grain boundaries was parallel to the compressive axis. The present study revealed that (1) residual micro-stresses are inhomogeneous within a crystal, (2) average residual stress in each crystal is different from each other, and (3) the direction of principal stress varies from grain to grain. Furthermore, the compatibility of residual stresses existing in both sides of a grain boundary was confirmed in a microscopic scale.

Item Type: Article
Subjects: Daur Bahan Bakar Nuklir dan Bahan Maju > Bahan Struktur dan Bahan Maju > Teknik Sintesis Bahan Maju
Divisions: Pusat Sains dan Teknologi Bahan Maju
Depositing User: EDITOR PSTBM BATAN
Date Deposited: 01 Dec 2018 11:39
Last Modified: 01 Dec 2018 11:39
URI: http://repo-nkm.batan.go.id/id/eprint/7132

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