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Characterisation of weld heterogeneity through hardness mapping and miniature tensile testing

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Abstract
Welding is a widely adopted industrial process used for joining components. A fusion weld has a highly heterogeneous microstructure and characterisation of strength heterogeneity is difficult because of the potentially large variations over a limited distance. Hardness mapping and miniature tensile tests are two distinct approaches to this problem. This paper reports on the possibilities and limitations of both techniques. Hardness mapping is a well-documented procedure as opposed to miniature tensile testing, where the dimensions of the dogbone shaped specimens are smaller than what standards prescribe. A particular challenge is the measurement of strains in such small specimens. The authors have achieved this measurement by means of Digital Image Correlation (DIC). To that end, a sufficiently fine speckling method has been developed.

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MLA
Bally, Jonas et al. “Characterisation of Weld Heterogeneity Through Hardness Mapping and Miniature Tensile Testing.” Ed. Stijn Hertelé & Jeroen Van Wittenberghe. SUSTAINABLE CONSTRUCTION AND DESIGN 6.3 (2015): n. pag. Print.
APA
Bally, J., De Waele, W., Verleysen, P., Gubeljak, N., & Hertelé, S. (2015). Characterisation of weld heterogeneity through hardness mapping and miniature tensile testing. (S. Hertelé & J. Van Wittenberghe, Eds.)SUSTAINABLE CONSTRUCTION AND DESIGN, 6(3).
Chicago author-date
Bally, Jonas, Wim De Waele, Patricia Verleysen, Nenad Gubeljak, and Stijn Hertelé. 2015. “Characterisation of Weld Heterogeneity Through Hardness Mapping and Miniature Tensile Testing.” Ed. Stijn Hertelé and Jeroen Van Wittenberghe. Sustainable Construction and Design 6 (3).
Chicago author-date (all authors)
Bally, Jonas, Wim De Waele, Patricia Verleysen, Nenad Gubeljak, and Stijn Hertelé. 2015. “Characterisation of Weld Heterogeneity Through Hardness Mapping and Miniature Tensile Testing.” Ed. Stijn Hertelé and Jeroen Van Wittenberghe. Sustainable Construction and Design 6 (3).
Vancouver
1.
Bally J, De Waele W, Verleysen P, Gubeljak N, Hertelé S. Characterisation of weld heterogeneity through hardness mapping and miniature tensile testing. Hertelé S, Van Wittenberghe J, editors. SUSTAINABLE CONSTRUCTION AND DESIGN. Ghent, Belgium: Ghent University, Laboratory Soete; 2015;6(3).
IEEE
[1]
J. Bally, W. De Waele, P. Verleysen, N. Gubeljak, and S. Hertelé, “Characterisation of weld heterogeneity through hardness mapping and miniature tensile testing,” SUSTAINABLE CONSTRUCTION AND DESIGN, vol. 6, no. 3, 2015.
@article{6868042,
  abstract     = {Welding is a widely adopted industrial process used for joining components. A fusion weld has a highly heterogeneous microstructure and characterisation of strength heterogeneity is difficult because of the potentially large variations over a limited distance. Hardness mapping and miniature tensile tests are two distinct approaches to this problem. This paper reports on the possibilities and limitations of both techniques. Hardness mapping is a well-documented procedure as opposed to miniature tensile testing, where the dimensions of the dogbone shaped specimens are smaller than what standards prescribe. A particular challenge is the measurement of strains in such small specimens. The authors have achieved this measurement by means of Digital Image Correlation (DIC). To that end, a sufficiently fine speckling method has been developed.},
  author       = {Bally, Jonas and De Waele, Wim and Verleysen, Patricia and Gubeljak, Nenad and Hertelé, Stijn},
  editor       = {Hertelé, Stijn and Van Wittenberghe, Jeroen},
  issn         = {2032-7471},
  journal      = {SUSTAINABLE CONSTRUCTION AND DESIGN},
  language     = {eng},
  number       = {3},
  pages        = {8},
  publisher    = {Ghent University, Laboratory Soete},
  title        = {Characterisation of weld heterogeneity through hardness mapping and miniature tensile testing},
  url          = {http://ojs.ugent.be/SCAD/article/view/1127},
  volume       = {6},
  year         = {2015},
}