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Measuring welding deformations with the digital image correlation technique

(2011) WELDING JOURNAL. 90(6). p.107S-112S
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Abstract
The finite element simulation of a welding process is usually validated by temperature evolution, microstructure analysis, residual stress measurement, or strain evolution. Several methods are available for measuring the strain evolution, and in this research, we investigate if the digital image correlation (DIC) technique can record the strain evolution during welding. Compared to other measuring methods used in welded structures, DIC has the major advantages that it is a contactless method, and it can give the strain evolution over a significant portion of the surface when a workpiece is welded, even in. zones where temperature reaches 600 degrees C, without the need for thermal compensation on the measured strains. The case investigated was a stainless steel tube with a longitudinal weld bead on top. It was shown that if enough images were taken, the strain evolution was in agreement with that found by electrical strain gauges.
Keywords
Electrical Strain Gauges, Thermal Strain, Digital Image Correlation, Cold-Rolled Steel Tubes, GTAW

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Citation

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

Chicago
De Strycker, M, P Lava, Wim Van Paepegem, L Schueremans, and D Debruyne. 2011. “Measuring Welding Deformations with the Digital Image Correlation Technique.” Welding Journal 90 (6): 107S–112S.
APA
De Strycker, M, Lava, P., Van Paepegem, W., Schueremans, L., & Debruyne, D. (2011). Measuring welding deformations with the digital image correlation technique. WELDING JOURNAL, 90(6), 107S–112S.
Vancouver
1.
De Strycker M, Lava P, Van Paepegem W, Schueremans L, Debruyne D. Measuring welding deformations with the digital image correlation technique. WELDING JOURNAL. 2011;90(6):107S–112S.
MLA
De Strycker, M, P Lava, Wim Van Paepegem, et al. “Measuring Welding Deformations with the Digital Image Correlation Technique.” WELDING JOURNAL 90.6 (2011): 107S–112S. Print.
@article{2111403,
  abstract     = {The finite element simulation of a welding process is usually validated by temperature evolution, microstructure analysis, residual stress measurement, or strain evolution. Several methods are available for measuring the strain evolution, and in this research, we investigate if the digital image correlation (DIC) technique can record the strain evolution during welding. Compared to other measuring methods used in welded structures, DIC has the major advantages that it is a contactless method, and it can give the strain evolution over a significant portion of the surface when a workpiece is welded, even in. zones where temperature reaches 600 degrees C, without the need for thermal compensation on the measured strains. The case investigated was a stainless steel tube with a longitudinal weld bead on top. It was shown that if enough images were taken, the strain evolution was in agreement with that found by electrical strain gauges.},
  author       = {De Strycker, M and Lava, P and Van Paepegem, Wim and Schueremans, L and Debruyne, D},
  issn         = {0043-2296},
  journal      = {WELDING JOURNAL},
  language     = {eng},
  number       = {6},
  pages        = {107S--112S},
  title        = {Measuring welding deformations with the digital image correlation technique},
  volume       = {90},
  year         = {2011},
}

Web of Science
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