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Comparison of different techniques for strain monitoring of a biaxially loaded cruciform specimen

(2011) STRAIN. 47(Suppl. 2). p.210-217
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Abstract
This study focuses on the evaluation of several strain measuring techniques for the instrumentation of an in-plane biaxial test bench. Strain gages, electronic speckle pattern interferometry (ESPI) and digital image correlation (DIC) were used combined or separately to measure the strains in the central gauge area of a biaxially loaded cruciform composite specimen. Applicability of the technique for this specific test and accuracy of the results are important parameters in the evaluation process of the different strain measuring techniques. The results of the three techniques are compared with the results obtained with a 3D finite element (FE) model. It is shown that DIC is the most promising technique because of its full-field character and ability to cope with vibrations of the test bench. The main drawback remains its incapability to correlate across discontinuities.
Keywords
FAILURE, biaxial testing, DESIGN, C/C COMPOSITE, DIGITAL IMAGE CORRELATION, composite materials, strain measuring

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Citation

Please use this url to cite or link to this publication:

Chicago
Ramault, C, A Makris, D Van Hemelrijck, Ebrahim Lamkanfi, and Wim Van Paepegem. 2011. “Comparison of Different Techniques for Strain Monitoring of a Biaxially Loaded Cruciform Specimen.” Strain 47 (Suppl. 2): 210–217.
APA
Ramault, C, Makris, A., Van Hemelrijck, D., Lamkanfi, E., & Van Paepegem, W. (2011). Comparison of different techniques for strain monitoring of a biaxially loaded cruciform specimen. STRAIN, 47(Suppl. 2), 210–217.
Vancouver
1.
Ramault C, Makris A, Van Hemelrijck D, Lamkanfi E, Van Paepegem W. Comparison of different techniques for strain monitoring of a biaxially loaded cruciform specimen. STRAIN. 2011;47(Suppl. 2):210–7.
MLA
Ramault, C, A Makris, D Van Hemelrijck, et al. “Comparison of Different Techniques for Strain Monitoring of a Biaxially Loaded Cruciform Specimen.” STRAIN 47.Suppl. 2 (2011): 210–217. Print.
@article{3133657,
  abstract     = {This study focuses on the evaluation of several strain measuring techniques for the instrumentation of an in-plane biaxial test bench. Strain gages, electronic speckle pattern interferometry (ESPI) and digital image correlation (DIC) were used combined or separately to measure the strains in the central gauge area of a biaxially loaded cruciform composite specimen. Applicability of the technique for this specific test and accuracy of the results are important parameters in the evaluation process of the different strain measuring techniques. The results of the three techniques are compared with the results obtained with a 3D finite element (FE) model. It is shown that DIC is the most promising technique because of its full-field character and ability to cope with vibrations of the test bench. The main drawback remains its incapability to correlate across discontinuities.},
  author       = {Ramault, C and Makris, A and Van Hemelrijck, D and Lamkanfi, Ebrahim and Van Paepegem, Wim},
  issn         = {0039-2103},
  journal      = {STRAIN},
  keyword      = {FAILURE,biaxial testing,DESIGN,C/C COMPOSITE,DIGITAL IMAGE CORRELATION,composite materials,strain measuring},
  language     = {eng},
  number       = {Suppl. 2},
  pages        = {210--217},
  title        = {Comparison of different techniques for strain monitoring of a biaxially loaded cruciform specimen},
  url          = {http://dx.doi.org/10.1111/j.1475-1305.2010.00760.x},
  volume       = {47},
  year         = {2011},
}

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