Ashbaugh, NE and Dattaguru, B and Khobeib, M and Nicholas, T and Prakash, Raghu V and Ramamurthy, TS and Seshadri, BR and Sunder, R (1995) Elastic-Plastic Finite Elament Analysis of Fatigue Crack Closure in an Aluminium-Copper Alloy Part-11:. Technical Report. National Aerospace Laboratories, Bangalore, India.
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Abstract
A numerical Investigation of the fatigue cracelkecloesure phenomenon is performed by13; plastic finite element analysis. hanstic-pinstic finite software was written to consider most aspects effecting pla1ticity'indiwe l crack closure. Linear and power-law hardening models are13; considered in the finite element analysis. The paper presents results from the study carried out13; on compact tension (CT) coupons at various crack lengths corresponding to different leading con- ditions. Finally the results of analysis tire compared with the experimental estimate of Intigno13; crack closure levels obtained from layer intorforornetry, scanning electron and transmission electron13; frnctorrnphv presented in part I of this paper on identical specimens.
| Item Type: | Monograph (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Fatigue Crack Growth;Crack Closure;Elastic-plastic finite element analysis;Linear and powerlaw strain hardening;Load-cod data. |
| Subjects: | AERONAUTICS > Aircraft Design, Testing & Performance |
| Depositing User: | Mrs Manoranjitha M D |
| Date Deposited: | 15 May 2006 |
| Last Modified: | 24 May 2010 04:11 |
| URI: | http://nal-ir.nal.res.in/id/eprint/1412 |
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