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Influence of Surface Pre-treatments on Laser Welding of Ti6Al4V Alloy

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Abstract

In the present study, Ti6Al4V samples have been welded under conduction regime by means of a high power diode laser. The main objective of the work has been to determine the actual influence of the surface pre-treatments on the laser welding process. Thus, six different pre-treatments were applied to Ti6Al4V samples before performing bead-on-plate and butt welding treatments. The depth, width, microstructure, and microhardness of the different weld zones were deeply analyzed. Grinding, sandblasting, and chemical cleaning pre-treatments lead to welds with the highest depth values, presenting high joint strengths. Treatments based on the application of dark coatings generate welds with lower penetration and worse mechanical properties, specially the graphite-based coating.

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Authors and Affiliations

  1. LABCYP, Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, CASEM, Universidad de Cádiz, Campus Río San Pedro, 11510, Puerto Real (Cádiz), Spain

    J. M. Sánchez-Amaya, M. R. Amaya-Vázquez, L. González-Rovira & F. J. Botana

  2. Titania, Ensayos y Proyectos Industriales S.L. Parque Tecnológico TecnoBahía Edif. RETSE, Nave 4. Ctra. Sanlúcar Km 7, 11510, El Puerto de Santa María (Cádiz), Spain

    J. M. Sánchez-Amaya, L. González-Rovira & M. Botana-Galvin

Authors
  1. J. M. Sánchez-Amaya
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  2. M. R. Amaya-Vázquez
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  3. L. González-Rovira
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  4. M. Botana-Galvin
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  5. F. J. Botana
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Correspondence to J. M. Sánchez-Amaya.

Additional information

This article is an invited submission to JMEP selected from presentations at the Symposia “Wetting,” “Interface Design,” and “Joining Technologies” belonging to the Topic “Joining and Interface Design” at the European Congress and Exhibition on Advanced Materials and Processes (EUROMAT 2013), held September 8-13, 2013, in in Sevilla, Spain, and has been expanded from the original presentation.

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Sánchez-Amaya, J.M., Amaya-Vázquez, M.R., González-Rovira, L. et al. Influence of Surface Pre-treatments on Laser Welding of Ti6Al4V Alloy. J. of Materi Eng and Perform 23, 1568–1575 (2014). https://doi.org/10.1007/s11665-014-0967-y

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  • DOI: https://doi.org/10.1007/s11665-014-0967-y

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