Publicação: Evaluation of shot peening on the fatigue strength of anodized Ti-6Al-4V alloy
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Data
2006-03-01
Orientador
Coorientador
Pós-graduação
Curso de graduação
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Título de Volume
Editor
ABM, ABC, ABPol
Tipo
Artigo
Direito de acesso
Acesso aberto
Resumo
The increasingly design requirements for modern engineering applications resulted in the development of new materials with improved mechanical properties. Low density, combined with excellent weight/strength ratio as well as corrosion resistance, make the titanium attractive for application in landing gears. Fatigue control is a fundamental parameter to be considered in the development of mechanical components. The aim of this research is to analyze the fatigue behavior of anodized Ti-6Al-4V alloy and the influence of shot peening pre treatment on the experimental data. Axial fatigue tests (R = 0.1) were performed, and a significant reduction in the fatigue strength of anodized Ti-6Al-4V was observed. The shot peening superficial treatment, which objective is to create a compressive residual stress field in the surface layers, showed efficiency to increase the fatigue life of anodized material. Experimental data were represented by S-N curves. Scanning electron microscopy technique (SEM) was used to observe crack origin sites.
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Inglês
Como citar
Materials Research. ABM, ABC, ABPol, v. 9, n. 1, p. 107-109, 2006.
