In situ investigation of high humidity stress corrosion cracking of 7075 aluminum alloy by three-dimensional (3D) X-ray synchrotron tomography

S. S. Singh; J. J. Williams; M. F. Lin; X. Xiao; F. De Carlo; Nikhilesh Chawla

doi:10.1080/21663831.2014.918907

In situ investigation of high humidity stress corrosion cracking of 7075 aluminum alloy by three-dimensional (3D) X-ray synchrotron tomography

S. S. Singh, J. J. Williams, M. F. Lin, X. Xiao, F. De Carlo, Nikhilesh Chawla

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

In situ X-ray synchrotron tomography was used to investigate the stress corrosion cracking behavior of under-aged Al-Zn-Mg-Cu alloy in moisture. The discontinuous surface cracks (crack jumps) mentioned in the literature are actually a single continuous and tortuous crack when observed in three dimension (3D). Contrary to 2D measurements made at the surface which suggest non-uniform crack growth rates, 3D measurements of the crack length led to a much more accurate measurement of crack growth rates.

Original language	English (US)
Pages (from-to)	217-220
Number of pages	4
Journal	Materials Research Letters
Volume	2
Issue number	4
DOIs	https://doi.org/10.1080/21663831.2014.918907
State	Published - 2014

Keywords

Aluminum alloys
Moisture
Stress corrosion cracking
X-ray tomography

ASJC Scopus subject areas

General Materials Science

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10.1080/21663831.2014.918907

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abstract = "In situ X-ray synchrotron tomography was used to investigate the stress corrosion cracking behavior of under-aged Al-Zn-Mg-Cu alloy in moisture. The discontinuous surface cracks (crack jumps) mentioned in the literature are actually a single continuous and tortuous crack when observed in three dimension (3D). Contrary to 2D measurements made at the surface which suggest non-uniform crack growth rates, 3D measurements of the crack length led to a much more accurate measurement of crack growth rates.",

keywords = "Aluminum alloys, Moisture, Stress corrosion cracking, X-ray tomography",

author = "Singh, {S. S.} and Williams, {J. J.} and Lin, {M. F.} and X. Xiao and {De Carlo}, F. and Nikhilesh Chawla",

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AU - Singh, S. S.

AU - Williams, J. J.

AU - Lin, M. F.

AU - Xiao, X.

AU - De Carlo, F.

AU - Chawla, Nikhilesh

PY - 2014

Y1 - 2014

N2 - In situ X-ray synchrotron tomography was used to investigate the stress corrosion cracking behavior of under-aged Al-Zn-Mg-Cu alloy in moisture. The discontinuous surface cracks (crack jumps) mentioned in the literature are actually a single continuous and tortuous crack when observed in three dimension (3D). Contrary to 2D measurements made at the surface which suggest non-uniform crack growth rates, 3D measurements of the crack length led to a much more accurate measurement of crack growth rates.

AB - In situ X-ray synchrotron tomography was used to investigate the stress corrosion cracking behavior of under-aged Al-Zn-Mg-Cu alloy in moisture. The discontinuous surface cracks (crack jumps) mentioned in the literature are actually a single continuous and tortuous crack when observed in three dimension (3D). Contrary to 2D measurements made at the surface which suggest non-uniform crack growth rates, 3D measurements of the crack length led to a much more accurate measurement of crack growth rates.

KW - Aluminum alloys

KW - Moisture

KW - Stress corrosion cracking

KW - X-ray tomography

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In situ investigation of high humidity stress corrosion cracking of 7075 aluminum alloy by three-dimensional (3D) X-ray synchrotron tomography

Abstract

Keywords

ASJC Scopus subject areas

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