Paper Title:
Evaluation of the Impact of Residual Stresses in Crack Initiation with the Application of the Crack Compliance Method Part I, Numerical Analysis
  Abstract

The understanding of how materials fail is still today a fundamental research problem for scientist and engineers. The main concern is the assessment of the necessary conditions to propagate a crack that will eventually lead to failure. Nevertheless, this kind of analysis tends to be more complicated, when a prior history in the material is taken into consideration and it will be extremely important to recognize all the factors involved in this process. In this work, a numerical simulation of the introduction of residual stresses, which change the crack initiation conditions, in a modified compact tensile specimen to change the condition of crack initiation is presented. Four numerical analyses were carried out; an initial evaluation was performed in a specimen without a crack and it was used for the estimation of a residual stress field produced by an overload; three more cases were simulated and a crack was introduced in each specimen (1 mm, 5 mm and 10 mm, respectively). The overload was then applied to set up a residual stress field into the component; furthermore, in each case the crack compliance method (CCM) was applied to measure the induced residual stress field. By performing this numerical simulation, the accuracy of the crack compliance method can be evaluated. On the other hand, elastic-plastic finite element analysis was utilized for the residual stress estimation. The numerical analysis was based on the mechanical properties of a biocompatible material (AISI 316L). The obtained results provided significant data about diverse factors, like; the manner in which a residual stress field could modify the crack initiation conditions, the convenient set up for induction of a beneficial residual stresses field, as well as useful information that can be applied for the experimental implementation of this research.

  Info
Periodical
Edited by
R.A.W. Mines and J.M. Dulieu-Barton
Pages
253-259
DOI
10.4028/www.scientific.net/AMM.24-25.253
Citation
G. Urriolagoitia-Sosa, B. Romero-Ángeles, L. H. Hernández-Gómez, G. Urriolagoitia-Calderón, J. A. Beltrán-Fernández, C. Torres-Torres, "Evaluation of the Impact of Residual Stresses in Crack Initiation with the Application of the Crack Compliance Method Part I, Numerical Analysis", Applied Mechanics and Materials, Vols. 24-25, pp. 253-259, 2010
Online since
June 2010
Export
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

  | Authors: G. Urriolagoitia-Sosa, G. Urriolagoitia-Calderón, J.M. Sandoval Pineda, Luis Hector Hernández-Gómez, E.A. Merchán-Cruz, R.G. Rodríguez-Cañizo, Juan A. Beltrán-Fernández
Abstract:This work assesses the Crack Compliance Method (CCM), which has been extensively used for the experimental evaluation of residual stresses,...
173
Authors: G. Urriolagoitia-Sosa, E. Zaldivar-González, J.M. Sandoval Pineda, J. García-Lira
Abstract:The interest on the application of the shot peening process to arrest and/or delay crack growth is rising. The main effect of the shot...
109
  | Authors: G. Urriolagoitia-Sosa, B. Romero-Ángeles, Luis Hector Hernández-Gómez, G. Urriolagoitia-Calderón, Juan A. Beltrán-Fernández, C. Torres-Torres
Abstract:The present work is based on a previous numerical simulation used for the introduction of a residual stress field in a modified compact...
261
Authors: Raul D.S.G. Campilho, Arnaldo M.G. Pinto, Mariana D. Banea, Filipe J.P. Chaves, Lucas F.M. da Silva
Chapter 6: Materials and Process Modelling
Abstract:Adhesive-bonding for the unions in multi-component structures is gaining momentum over welding, riveting and fastening. It is vital for the...
513
Authors: G. Urriolagoitia-Sosa, A. Molina-Ballinas, Vistor Fernando Cedeño Verduzco, B. Romero-Ángeles, G. Urriolagoitia-Calderón, Luis Hector Hernández-Gómez, Juan A. Beltrán-Fernández
Abstract:This paper presents results obtained on the harmful effect that a lamination process can cause in AISI 1018 steel during the manufacturing...
482