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A modified model to depict corrosion fatigue crack growth behavior for evaluating residual lives of aluminum alloys

A modified model to depict corrosion fatigue crack growth behavior for evaluating residual lives of aluminum alloys
A modified model to depict corrosion fatigue crack growth behavior for evaluating residual lives of aluminum alloys
A modified Trantina–Johnson model was developed to characterize corrosion fatigue crack growth behavior.
Crack growth accumulative methodology based on the Willenborg–Chang rule was used to evaluate the residual lifetimes of corrosion fatigue crack growth. Fatigue crack growth tests were performed on 2524-T3 and 7050-T7451 aluminum alloys subjected to constant amplitude and random spectra loading under the environments of dry air and 3.5% NaCl sodium chloride solution, and the load–environment interaction and load interaction mechanisms were deduced from fractographic analysis. The developed models showed good correlation with experimental results.
corrosion fatigue, crack growth rate, residual life, aluminum alloy, sem
0142-1123
280-287
Wang, C.Q.
cf89f933-f71d-4a08-9b5c-bb1c394390d6
Xiong, J.J.
785d6bd7-e6a1-472c-ae43-484f28d646eb
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
Liu, M.D.
92516190-3e94-4f7e-8427-2c049a767ac8
Liu, J.Z.
517a8f8f-b56f-4eeb-9adc-c15d611a2e34
Wang, C.Q.
cf89f933-f71d-4a08-9b5c-bb1c394390d6
Xiong, J.J.
785d6bd7-e6a1-472c-ae43-484f28d646eb
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
Liu, M.D.
92516190-3e94-4f7e-8427-2c049a767ac8
Liu, J.Z.
517a8f8f-b56f-4eeb-9adc-c15d611a2e34

Wang, C.Q., Xiong, J.J., Shenoi, R.A., Liu, M.D. and Liu, J.Z. (2016) A modified model to depict corrosion fatigue crack growth behavior for evaluating residual lives of aluminum alloys. International Journal of Fatigue, 83, part 2, 280-287. (doi:10.1016/j.ijfatigue.2015.10.023).

Record type: Article

Abstract

A modified Trantina–Johnson model was developed to characterize corrosion fatigue crack growth behavior.
Crack growth accumulative methodology based on the Willenborg–Chang rule was used to evaluate the residual lifetimes of corrosion fatigue crack growth. Fatigue crack growth tests were performed on 2524-T3 and 7050-T7451 aluminum alloys subjected to constant amplitude and random spectra loading under the environments of dry air and 3.5% NaCl sodium chloride solution, and the load–environment interaction and load interaction mechanisms were deduced from fractographic analysis. The developed models showed good correlation with experimental results.

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Accepted/In Press date: 26 October 2015
e-pub ahead of print date: 30 October 2015
Published date: February 2016
Keywords: corrosion fatigue, crack growth rate, residual life, aluminum alloy, sem
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 384635
URI: http://eprints.soton.ac.uk/id/eprint/384635
ISSN: 0142-1123
PURE UUID: e97857d5-7b9a-48b8-a577-e5ed161f075b

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Date deposited: 08 Jan 2016 14:35
Last modified: 08 Jan 2022 12:27

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Contributors

Author: C.Q. Wang
Author: J.J. Xiong
Author: R.A. Shenoi
Author: M.D. Liu
Author: J.Z. Liu

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