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) Experimental and Analytical Estimates of Fatigue13; Crack Closure in an Aluminium-Copper Alloy Part-1: Laser Interferometry and Fatigue Crack Closure. Technical Report. National Aerospace Laboratories, Bangalore, India.
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Abstract
An experimental investigation of fatigue crack closure in compact tension specimens made out of an Al-Cu alloy HE15AST (2014-T6511 equivalent) is presented crack closure stress was estimated by the following experimental techniques: Transmission Electron Fractography scanning electron fractography. In addition, laser inter interformatry was used to obtain load versus near-crack tip displacements both under constant aplitude and random loading. A comparison is made on the estimates obtained from different experimental techniques.
| Item Type: | Monograph (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Fatigue Crack Closure;Laser Interferomatry;2014-T6511 Al-Cu, Alloy;Trasnimission electron Fractography;Scanning electron Fractography |
| Subjects: | AERONAUTICS > Aircraft Propulsion and Power |
| Depositing User: | Mrs Manoranjitha M D |
| Date Deposited: | 16 May 2006 |
| Last Modified: | 24 May 2010 04:11 |
| URI: | http://nal-ir.nal.res.in/id/eprint/1363 |
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