Short Crack Propagation Model Applied to Shot Peened Aluminium Alloys

Abstract:

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The Navarro-Rios micromechanical model was used to assess the bounds of two different damage zones: crack arrest region and crack propagation region of controlled shot peening (CSP) of high strength aluminium alloys. Performance of CSP in terms of fatigue resistance was investigated. This comparison indicated that CSP in terms of fatigue depends on the competition between its beneficial and detrimental products, i.e. surface roughness and compressive residual stresses respectively. The gathered information can be used for safe load determinations in design.

Info:

Periodical:

Edited by:

Alexander Balankin, José Martínez Trinidad and Orlando Susarrey Huerta

Pages:

53-61

DOI:

10.4028/www.scientific.net/AMR.65.53

Citation:

J. Solis et al., "Short Crack Propagation Model Applied to Shot Peened Aluminium Alloys", Advanced Materials Research, Vol. 65, pp. 53-61, 2009

Online since:

March 2009

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$35.00

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