On the correlation between fatigue striation spacing and crack growth rate: A three-dimensional (3-D) X-ray synchrotron tomography study

Jason J. Williams; Kyle E. Yazzie; N. Connor Phillips; Nikhilesh Chawla; Xinghui Xiao; Francesco De Carlo; Nagaraja Iyyer; Maddan Kittur

doi:10.1007/s11661-011-0963-x

On the correlation between fatigue striation spacing and crack growth rate: A three-dimensional (3-D) X-ray synchrotron tomography study

Jason J. Williams, Kyle E. Yazzie, N. Connor Phillips, Nikhilesh Chawla, Xinghui Xiao, Francesco De Carlo, Nagaraja Iyyer, Maddan Kittur

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

57 Scopus citations

Abstract

In situ three-dimensional (3-D) X-ray synchrotron tomography of fatigue crack growth was conducted in a 7075-T6 aluminum alloy. Local measurements of da/dN were possible with the 3-D data sets obtained from tomography. A comparison with fatigue striation spacings obtained from scanning electron microscopy of the fracture surfaces yielded excellent correlation with da/dN obtained from tomography. The X-ray tomography technique can be used to obtain a highly accurate and representative measurements of crack growth locally in the microstructure of the material.

Original language	English (US)
Pages (from-to)	3845-3848
Number of pages	4
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	42
Issue number	13
DOIs	https://doi.org/10.1007/s11661-011-0963-x
State	Published - Dec 2011

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

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Williams, J. J., Yazzie, K. E., Connor Phillips, N., Chawla, N., Xiao, X., De Carlo, F., Iyyer, N., & Kittur, M. (2011). On the correlation between fatigue striation spacing and crack growth rate: A three-dimensional (3-D) X-ray synchrotron tomography study. Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 42(13), 3845-3848. https://doi.org/10.1007/s11661-011-0963-x

On the correlation between fatigue striation spacing and crack growth rate: A three-dimensional (3-D) X-ray synchrotron tomography study. / Williams, Jason J.; Yazzie, Kyle E.; Connor Phillips, N. et al.
In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, Vol. 42, No. 13, 12.2011, p. 3845-3848.

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

Williams, JJ, Yazzie, KE, Connor Phillips, N, Chawla, N, Xiao, X, De Carlo, F, Iyyer, N & Kittur, M 2011, 'On the correlation between fatigue striation spacing and crack growth rate: A three-dimensional (3-D) X-ray synchrotron tomography study', Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, vol. 42, no. 13, pp. 3845-3848. https://doi.org/10.1007/s11661-011-0963-x

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title = "On the correlation between fatigue striation spacing and crack growth rate: A three-dimensional (3-D) X-ray synchrotron tomography study",

abstract = "In situ three-dimensional (3-D) X-ray synchrotron tomography of fatigue crack growth was conducted in a 7075-T6 aluminum alloy. Local measurements of da/dN were possible with the 3-D data sets obtained from tomography. A comparison with fatigue striation spacings obtained from scanning electron microscopy of the fracture surfaces yielded excellent correlation with da/dN obtained from tomography. The X-ray tomography technique can be used to obtain a highly accurate and representative measurements of crack growth locally in the microstructure of the material.",

author = "Williams, {Jason J.} and Yazzie, {Kyle E.} and {Connor Phillips}, N. and Nikhilesh Chawla and Xinghui Xiao and {De Carlo}, Francesco and Nagaraja Iyyer and Maddan Kittur",

note = "Funding Information: The authors are grateful for financial support from the Naval Air Warfare Command through a subcontract through Technical Data and Analysis, under contract number N00421-10-P-0818 (to N.I., TDA, and M.K., NAVAIR, Program Managers). The use of the Advanced Photon Source was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No. DE-AC02-06CH11357.",

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AU - De Carlo, Francesco

AU - Iyyer, Nagaraja

AU - Kittur, Maddan

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AB - In situ three-dimensional (3-D) X-ray synchrotron tomography of fatigue crack growth was conducted in a 7075-T6 aluminum alloy. Local measurements of da/dN were possible with the 3-D data sets obtained from tomography. A comparison with fatigue striation spacings obtained from scanning electron microscopy of the fracture surfaces yielded excellent correlation with da/dN obtained from tomography. The X-ray tomography technique can be used to obtain a highly accurate and representative measurements of crack growth locally in the microstructure of the material.

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On the correlation between fatigue striation spacing and crack growth rate: A three-dimensional (3-D) X-ray synchrotron tomography study

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