2013
DOI: 10.4236/mme.2013.33017
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Determination of Residuals Stresses Induced by the Autofrettage Treatment by the X-Rays Diffraction Method

Abstract: Some meaningful advances have been made these last years to value precise and reliable way the residual stresses experimentally created by the autofrettage. The autofrettage process is used widely to introduce residual stresses into thick walled tubes; traditionally residual stresses have been measured using the Sachs method destructive or non-destructive methods. In this paper we describe the application of the X-rays diffraction; this technique permits to justify the presence of the compressive tangential re… Show more

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Cited by 4 publications
(3 citation statements)
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“…Evaluation of residual stress distributions in autofrettaged-treated homogenous spherical vessels under different p aut , 9 an analytical study of autofrettage-treated spherical vessels, considering the Bauschinger effect, 10,11 the fatigue life of the vessel during loading and unloading high-pressure cycles (in this study, the fatigue design of a thick-walled Autofrettaged-treated vessel for the food industry, operating at p i = 500 MPa is presented), 12 the analysis of autofrettage of cylinders, 13 and the study of residual stresses and allowable pressure of autofrettaged-treated high-pressure vessels (experimental, numerical, and analytical). 1423 In applied research, a compound cylinder was introduced to increase the residual stress.…”
Section: Introductionmentioning
confidence: 99%
“…Evaluation of residual stress distributions in autofrettaged-treated homogenous spherical vessels under different p aut , 9 an analytical study of autofrettage-treated spherical vessels, considering the Bauschinger effect, 10,11 the fatigue life of the vessel during loading and unloading high-pressure cycles (in this study, the fatigue design of a thick-walled Autofrettaged-treated vessel for the food industry, operating at p i = 500 MPa is presented), 12 the analysis of autofrettage of cylinders, 13 and the study of residual stresses and allowable pressure of autofrettaged-treated high-pressure vessels (experimental, numerical, and analytical). 1423 In applied research, a compound cylinder was introduced to increase the residual stress.…”
Section: Introductionmentioning
confidence: 99%
“…The residual stresses in swage autofrettaged cylinders were determined by Davidson et al 15 using Sachs boring technique. Zerari et al 16 used XRD method to evaluate residual stresses in cylinders induced by the hydraulic autofrettage.…”
Section: Introductionmentioning
confidence: 99%
“…Fig. 61 -Difração de feixe de Raio-X, sendo h, k e l os índices de Miller dos planos da rede cristalina de um composto químico, bem como, os parâmetros da Lei de Bragg [33].…”
Section: Espectroscopia De Difração De Raio-xunclassified