Assessment of Durability and Damage Tolerance of β-Annealed Ti-6Al-4V

Abstract:

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-annealed Ti-6Al-4V ELI alloy has a special chemical composition and manufacturing process, intended to optimise its fatigue and fracture properties. This alloy is used in primary fatigue-critical structures of advanced military aircraft, but little has been generally published about its properties, particularly the fatigue and crack growth behaviour under service loading. A test programme has been set up to assess the fatigue durability and damage tolerance properties of the alloy, in the context of the two most relevant analysis methods. The first is strain – life analysis, used to estimate safe lives (durability). The second is fatigue crack growth analysis, used to assess the damage tolerance behaviour. This paper presents preliminary results of the test programme.

Info:

Periodical:

Materials Science Forum (Volumes 654-656)

Main Theme:

Edited by:

Jian-Feng Nie and Allan Morton

Pages:

887-889

DOI:

10.4028/www.scientific.net/MSF.654-656.887

Citation:

A. Shekhter et al., "Assessment of Durability and Damage Tolerance of β-Annealed Ti-6Al-4V", Materials Science Forum, Vols. 654-656, pp. 887-889, 2010

Online since:

June 2010

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Price:

$35.00

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