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

Stress induced martensite at the crack tip in NiTi alloys during fatigue loading

Author and affiliation details
  • E. Sgambitterra Corresponding author Dept. of Mechanical, Energy and Management Engineering, University of Calabria, 87036 Rende (CS), Italy. esgambitterra@unical.it
  • L. Bruno Dept. of Mechanical, Energy and Management Engineering, University of Calabria, 87036 Rende (CS), Italy.
  • C. Maletta Dept. of Mechanical, Energy and Management Engineering, University of Calabria, 87036 Rende (CS), Italy.
DOI
10.3221/IGF-ESIS.30.22
Pages
pages 167-173
Published
Published inVol. 8, No. 30 (2014)Go to the issue

Abstract

Crack tip stress-induced phase transformation mechanisms in nickel-titanium alloys (NiTi) were analyzed by Digital Image Correlation (DIC), under fatigue loads. In particular, Single Edge Crack (SEC) specimens, obtained from a commercial pseudoelastic NiTi sheet, and an ad-hoc experimental setup were used, for direct measurements of the near crack tip displacement field by the DIC technique. Furthermore, a fitting procedure was developed to calculate the mode I Stress Intensity Factor (SIF), starting from the measured displacement field. Finally, cyclic tensile tests were performed at different operating temperature, in the range 298-338 K, and the evolution of the SIF was studied, which revealed a marked temperature dependence.

Keywords

Article history

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

How to cite

APA

Sgambitterra, E., Bruno, L., & Maletta, C. (2014). Stress induced martensite at the crack tip in NiTi alloys during fatigue loading. Fracture and Structural Integrity, 8(30), pages 167–173. https://doi.org/10.3221/IGF-ESIS.30.22

IEEE

E. Sgambitterra, L. Bruno, and C. Maletta, “Stress induced martensite at the crack tip in NiTi alloys during fatigue loading,” Fracture and Structural Integrity, vol. 8, no. 30, pp. pages 167–173, 2014, doi: 10.3221/IGF-ESIS.30.22.

MLA

Sgambitterra, E., et al. “Stress induced martensite at the crack tip in NiTi alloys during fatigue loading.” Fracture and Structural Integrity, vol. 8, no. 30, 2014, pp. pages 167–173. https://doi.org/10.3221/IGF-ESIS.30.22.

Chicago

Sgambitterra, E., L. Bruno, and C. Maletta. 2014. “Stress induced martensite at the crack tip in NiTi alloys during fatigue loading.” Fracture and Structural Integrity 8 (30): pages 167–173. https://doi.org/10.3221/IGF-ESIS.30.22.

Harvard

Sgambitterra, E., Bruno, L. and Maletta, C. (2014) ‘Stress induced martensite at the crack tip in NiTi alloys during fatigue loading’, Fracture and Structural Integrity, 8(30), pp. pages 167–173. doi: 10.3221/IGF-ESIS.30.22.

Vancouver

Sgambitterra E, Bruno L, Maletta C. Stress induced martensite at the crack tip in NiTi alloys during fatigue loading. Fracture and Structural Integrity. 2014;8(30):pages 167-173. doi:10.3221/IGF-ESIS.30.22

BibTeX

@article{sgambitterra2014, author = {Sgambitterra, E. and Bruno, L. and Maletta, C.}, title = {Stress induced martensite at the crack tip in NiTi alloys during fatigue loading}, journal = {Fracture and Structural Integrity}, year = {2014}, volume = {8}, number = {30}, pages = {pages 167--173}, doi = {10.3221/IGF-ESIS.30.22}, url = {https://doi.org/10.3221/IGF-ESIS.30.22}, issn = {1971-8993} }

RIS

TY - JOUR AU - Sgambitterra, E. AU - Bruno, L. AU - Maletta, C. TI - Stress induced martensite at the crack tip in NiTi alloys during fatigue loading JO - Fracture and Structural Integrity T2 - Fracture and Structural Integrity PY - 2014 DA - 2014/09/10 VL - 8 IS - 30 SP - pages 167 EP - 173 DO - 10.3221/IGF-ESIS.30.22 UR - https://doi.org/10.3221/IGF-ESIS.30.22 SN - 1971-8993 ER -

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