Finite Element Analysis of Aluminum Alloy Pitting Stress Concentration

Li Hui; Ying Ying Zhang; Liang Xu; Song Zhou; Yan Wang

doi:10.4028/www.scientific.net/AMR.538-541.1664

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 538-541Finite Element Analysis of Aluminum Alloy Pitting...

Finite Element Analysis of Aluminum Alloy Pitting Stress Concentration

Abstract:

Based on measurement data and the specific morphology of corrosion pit, three-dimensional finite element model of the corrosion damage specimen is established. Then the local stress condition of corrosion pits is given making use of finite element method, the results of stress concentration due to corrosion pits are also obtained, we can compare the stress concentration arised from the corrosion pit on aluminum alloy specimens in different corrosion time. Results show that the corrosion pits produce stress concentration and become the source of fatigue crack initiation and propagation. With the increasing of corrosion time, the pits get deeper and deeper, and the stress concentration gets more serious near the pits.

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Periodical:

Advanced Materials Research (Volumes 538-541)

Pages:

1664-1669

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.1664

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Online since:

June 2012

Authors:

Li Hui, Ying Ying Zhang, Liang Xu, Song Zhou, Yan Wang

Keywords:

Aluminium Alloy, Corrosion Pit, Corrosion Pre-Damage, Finite Element Analysis (FEA), Stress Concentration

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