Optimizing the CO2 laser welding process for dissimilar materials

A.G. Olabi, F.O. Alsinani, A.A. Alabdulkarim, A. Ruggiero, L. Tricarico, K.Y. Benyounis

Research output: Contribution to journalArticle

Abstract

A dissimilar full-depth laser-butt welding of low carbon steel and austenitic steel AISI316 was investigated using CW 1.5 kW CO2 laser. The effect of laser power, welding speed and focal point position on mechanical properties (i.e., ultimate tensile strength, UTS and impact strength, IS) and on the operating cost C was investigated using response surface methodology (RSM). The experimental plan was based on Box–Behnken design; linear and quadratic polynomial equations for predicting the mechanical properties were developed. The results indicate that the proposed models predict the responses adequately within the limits of welding parameters being used. The optimum welding conditions were found.
Original languageEnglish
Pages (from-to)832-839
Number of pages8
JournalOptics and Lasers in Engineering
Volume51
Issue number7
DOIs
Publication statusPublished - Jul 2013
Externally publishedYes

Fingerprint

Dissimilar materials
laser welding
Laser beam welding
welding
Welding
Butt welding
Mechanical properties
Austenitic steel
Lasers
Low carbon steel
mechanical properties
Impact strength
lasers
Operating costs
operating costs
impact strength
low carbon steels
Tensile strength
Polynomials
tensile strength

Keywords

  • Laser welding
  • Mechanical properties
  • Optimization

Cite this

Olabi, A. G., Alsinani, F. O., Alabdulkarim, A. A., Ruggiero, A., Tricarico, L., & Benyounis, K. Y. (2013). Optimizing the CO2 laser welding process for dissimilar materials. Optics and Lasers in Engineering, 51(7), 832-839. https://doi.org/10.1016/j.optlaseng.2013.01.024
Olabi, A.G. ; Alsinani, F.O. ; Alabdulkarim, A.A. ; Ruggiero, A. ; Tricarico, L. ; Benyounis, K.Y. / Optimizing the CO2 laser welding process for dissimilar materials. In: Optics and Lasers in Engineering. 2013 ; Vol. 51, No. 7. pp. 832-839.
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Olabi, AG, Alsinani, FO, Alabdulkarim, AA, Ruggiero, A, Tricarico, L & Benyounis, KY 2013, 'Optimizing the CO2 laser welding process for dissimilar materials', Optics and Lasers in Engineering, vol. 51, no. 7, pp. 832-839. https://doi.org/10.1016/j.optlaseng.2013.01.024

Optimizing the CO2 laser welding process for dissimilar materials. / Olabi, A.G.; Alsinani, F.O.; Alabdulkarim, A.A.; Ruggiero, A.; Tricarico, L.; Benyounis, K.Y.

In: Optics and Lasers in Engineering, Vol. 51, No. 7, 07.2013, p. 832-839.

Research output: Contribution to journalArticle

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T1 - Optimizing the CO2 laser welding process for dissimilar materials

AU - Olabi, A.G.

AU - Alsinani, F.O.

AU - Alabdulkarim, A.A.

AU - Ruggiero, A.

AU - Tricarico, L.

AU - Benyounis, K.Y.

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AB - A dissimilar full-depth laser-butt welding of low carbon steel and austenitic steel AISI316 was investigated using CW 1.5 kW CO2 laser. The effect of laser power, welding speed and focal point position on mechanical properties (i.e., ultimate tensile strength, UTS and impact strength, IS) and on the operating cost C was investigated using response surface methodology (RSM). The experimental plan was based on Box–Behnken design; linear and quadratic polynomial equations for predicting the mechanical properties were developed. The results indicate that the proposed models predict the responses adequately within the limits of welding parameters being used. The optimum welding conditions were found.

KW - Laser welding

KW - Mechanical properties

KW - Optimization

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Olabi AG, Alsinani FO, Alabdulkarim AA, Ruggiero A, Tricarico L, Benyounis KY. Optimizing the CO2 laser welding process for dissimilar materials. Optics and Lasers in Engineering. 2013 Jul;51(7):832-839. https://doi.org/10.1016/j.optlaseng.2013.01.024