Fracture and Structural Integrity e-ISSN 1971-8993 Open access
Miscellanea Vol. 8, No. 30 (2014)

Study of short cracks under biaxial fatigue

Author and affiliation details
  • P. Lopez-Crespo Corresponding author Department of Civil and Materials Engineering, University of Malaga, C/Dr Ortiz Ramos s/n, 29071 Malaga, Spain plopezcrespo@uma. plopezcrespo@uma.es
  • B. Moreno Department of Civil and Materials Engineering, University of Malaga, C/Dr Ortiz Ramos s/n, 29071 Malaga, Spain plopezcrespo@uma.
  • A. Garcia-Gonzalez Department of Civil and Materials Engineering, University of Malaga, C/Dr Ortiz Ramos s/n, 29071 Malaga, Spain
  • J. Zapatero Department of Civil and Materials Engineering, University of Malaga, C/Dr Ortiz Ramos s/n, 29071 Malaga, Spain
  • A. Lopez-Moreno Department of Materials Science and Metallurgy Engineering, University of Jaen, Campus Las Lagunillas 23071 Jaen, Spain
DOI
10.3221/IGF-ESIS.30.31
Pages
pages 244-251
Published
Published inVol. 8, No. 30 (2014)Go to the issue

Abstract

In this paper a methodology for evaluating crack initiation under biaxial conditions is presented. The methodology consists of evaluating the crack length automatically with digital processing of highmagnification images of the crack. The methodology was applied to study five different strain conditions on a low carbon ferritic-pearlitic steel specimen with tubular shape. A hole of 150 ?m diameter was drilled to enforce the crack to initiate at a particular spot. Different combinations of axial and torsional strains were analysed during the initiation stage of the crack. The setup employed allowed detection of the crack to within 6 ?m from the edge of the hole on average and monitoring of the crack during early stages. Fatigue crack propagation curves clearly showed oscillations due to microstructure. It was also observed that these oscillations decreased as the torsional component of the strain was increased.

Keywords

Article history

  1. ReceivedUntil the next stage: 0 days
  2. AcceptedUntil the next stage: 0 days
  3. Published

How to cite

APA

Lopez-Crespo, P., Moreno, B., Garcia-Gonzalez, A., Zapatero, J., & Lopez-Moreno, A. (2014). Study of short cracks under biaxial fatigue. Fracture and Structural Integrity, 8(30), pages 244–251. https://doi.org/10.3221/IGF-ESIS.30.31

IEEE

P. Lopez-Crespo, B. Moreno, A. Garcia-Gonzalez, J. Zapatero, and A. Lopez-Moreno, “Study of short cracks under biaxial fatigue,” Fracture and Structural Integrity, vol. 8, no. 30, pp. pages 244–251, 2014, doi: 10.3221/IGF-ESIS.30.31.

MLA

Lopez-Crespo, P., et al. “Study of short cracks under biaxial fatigue.” Fracture and Structural Integrity, vol. 8, no. 30, 2014, pp. pages 244–251. https://doi.org/10.3221/IGF-ESIS.30.31.

Chicago

Lopez-Crespo, P., B. Moreno, A. Garcia-Gonzalez, J. Zapatero, and A. Lopez-Moreno. 2014. “Study of short cracks under biaxial fatigue.” Fracture and Structural Integrity 8 (30): pages 244–251. https://doi.org/10.3221/IGF-ESIS.30.31.

Harvard

Lopez-Crespo, P., Moreno, B., Garcia-Gonzalez, A., Zapatero, J. and Lopez-Moreno, A. (2014) ‘Study of short cracks under biaxial fatigue’, Fracture and Structural Integrity, 8(30), pp. pages 244–251. doi: 10.3221/IGF-ESIS.30.31.

Vancouver

Lopez-Crespo P, Moreno B, Garcia-Gonzalez A, Zapatero J, Lopez-Moreno A. Study of short cracks under biaxial fatigue. Fracture and Structural Integrity. 2014;8(30):pages 244-251. doi:10.3221/IGF-ESIS.30.31

BibTeX

@article{lopezcrespo2014, author = {Lopez-Crespo, P. and Moreno, B. and Garcia-Gonzalez, A. and Zapatero, J. and Lopez-Moreno, A.}, title = {Study of short cracks under biaxial fatigue}, journal = {Fracture and Structural Integrity}, year = {2014}, volume = {8}, number = {30}, pages = {pages 244--251}, doi = {10.3221/IGF-ESIS.30.31}, url = {https://doi.org/10.3221/IGF-ESIS.30.31}, issn = {1971-8993} }

RIS

TY - JOUR AU - Lopez-Crespo, P. AU - Moreno, B. AU - Garcia-Gonzalez, A. AU - Zapatero, J. AU - Lopez-Moreno, A. TI - Study of short cracks under biaxial fatigue JO - Fracture and Structural Integrity T2 - Fracture and Structural Integrity PY - 2014 DA - 2014/09/11 VL - 8 IS - 30 SP - pages 244 EP - 251 DO - 10.3221/IGF-ESIS.30.31 UR - https://doi.org/10.3221/IGF-ESIS.30.31 SN - 1971-8993 ER -

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