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Copper Interlayer Contribution on Nd:YAG Laser Welding of Dissimilar Ti-6Al-4V Alloy with X5CrNi18-10 Steel

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Abstract

Welding of heterogeneous Ti-6Al-4V alloy and X5CrNi18-10 steel, using a continuous Nd:YAG laser was performed by inserting a 600-μm-thick Cu foil between the two components, thus enabling an improvement of the properties of the joint. The changes in the main laser welding parameters (power and speed), based on the microstructural observations and mechanical tests, show that the resulting properties are influenced by the nature and dimensions of the transitional zone between the unmelted Ti-6Al-4V and the melted bath, where the intermetallic phases accumulate.

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Acknowledgments

This study was also supported by a grant of the Romanian National Authority for Scientific Research, CNCS—UEFISCDI, project number PN-II-ID-PCE-2011-3-0837. The partial support from the Department of Interface and Reactivity in Materials, Interdisciplinary Laboratory Carnot of the University of Bourgogne is also acknowledged by C. Groza.

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Authors and Affiliations

  1. “Politehnica” University of Timisoara, P-ta Victoriei nr. 2, 300006, Timisoara, Romania

    I. Mitelea, C. Groza & C. Craciunescu

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  1. I. Mitelea
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  2. C. Groza
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  3. C. Craciunescu
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Correspondence to C. Craciunescu.

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Mitelea, I., Groza, C. & Craciunescu, C. Copper Interlayer Contribution on Nd:YAG Laser Welding of Dissimilar Ti-6Al-4V Alloy with X5CrNi18-10 Steel. J. of Materi Eng and Perform 22, 2219–2223 (2013). https://doi.org/10.1007/s11665-013-0507-1

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  • DOI: https://doi.org/10.1007/s11665-013-0507-1

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