Paper Title:
Rotating Bending Fatigue Tests on Aluminum Alloy AISI-SAE 6061-T6 at High Speed (150 Hz), and Close to Elastic Limit
  Abstract

This work deals with rotating bending fatigue tests at high speed (150 Hz), carried out on aluminum alloy AISI-SAE 6061-T6 for which the highest experimental stress inside the specimen is close to the elastic limit of material. Simulation results are obtained by Visual Nastran software in order to determine the numerical stress and strain distributions inside the specimen; then, this information is used for the experimental set up. A general description of experimental test machine and experimental conditions are developed in first sections, following section present the experimental results and discussion about the observed failure origin related to discontinuities and the associated high stress zones. A principal contribution of this work is related to the analysis of fracture surfaces and its correlation with experimental fatigue endurance: a simple model is proposed for the prediction of fatigue life of this aluminum alloy under high speed rotating bending fatigue tests, based on the surface density of associated fatigue macro-plastic deformation zones close the crack initiation.

  Info
Periodical
Edited by
Alexander Balankin, José Martínez Trinidad and Orlando Susarrey Huerta
Pages
79-88
DOI
10.4028/www.scientific.net/AMR.65.79
Citation
G. Domínguez Almaraz, E. Tapia Silva, M. Guzmán Tapia, J. Villalón López, "Rotating Bending Fatigue Tests on Aluminum Alloy AISI-SAE 6061-T6 at High Speed (150 Hz), and Close to Elastic Limit", Advanced Materials Research, Vol. 65, pp. 79-88, 2009
Online since
March 2009
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Price
$32.00
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