Evaluación de diferentes tipos de barnices en la protección de electrodos para la soldadura subacuática//Evaluation of different types of varnishs to protect underwater welding electrodes

Authors

  • Manuel Rodríguez-Pérez Universidad Central de las Villas, Centro de Investigaciones de Soldadura. Santa Clara,
  • Alexandre Queiroz-Bracarense Universidad Federal de Minas de Gerais, Laboratorio de Robótica, Soldadura y Simulación, Minas Gerais,
  • Lorenzo Perdomo-González Universidad Central de las Villas, Centro de Investigaciones de Soldadura. Santa Clara,
  • Rafael Quintana- Puchol Universidad Central de las Villas, Centro de Investigaciones de Soldadura. Santa Clara,
  • Alejandro Duffus-Scott Universidad Central de las Villas, Centro de Investigaciones de Soldadura. Santa Clara,

Abstract

El artículo tiene como objetivo evaluar  las posibilidades de empleo de diferentes tipos de barnices como impermeabilizantes para los electrodos del tipo AWS E 6013, cuando se realiza la soldadura  en condiciones subacuática mojada. Los barnices evaluados son el Vinílico, Marítimo, base Poliuretano y una nueva variante base Isopor. Los métodos de evaluación incluye el comportamiento de la resistencia mecánica que le confiere al revestimiento a cada uno de los barnices, el agua adsorbida y el tipo de estructura en el cordón, utilizando microscopía óptica convencional. En este aspecto, la estructura en todos los cordones realizados con el electrodo E 6013, independientemente del impermeabilizante utilizado es similar, caracterizada por ferrita primaria o de contorno de grano y del tipo Widmanstätten, sin embargo, se determinó, que el impermeabilizante base Isopor, garantiza una mejor protección del electrodo en cuanto a la cantidad de agua adsorbida y adherencia del revestimiento.

Palabras claves: soldadura subacuática, impermeabilizante, electrodos.

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The article aims to assess the potential use of different types of paints and waterproofing materials for the electrodes of type AWS E 6013, when performing underwater welding in wet conditions. The coatings evaluated are Vinyl, Maritime, polyurethane base and a new variant Isopor base. Evaluation methods include the behavior of the mechanical strength to the coating gives each of the varnishes, the adsorbed water and the type of structure in the welds, using conventional microscopy. In this sense, the structure in all the welds made with the electrode E 6013, regardless of waterproofed used is similar, characterized by primary or ferrite grain boundary and Widmanstätten type, however, it was determined that the base waterproofing Isopor, guarantees better protection of the electrode in terms of the amount of adsorbed water and coating adhesion.

Key words: underwater welding, waterproofed, electrode.

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How to Cite

1.
Rodríguez-Pérez M, Queiroz-Bracarense A, Perdomo-González L, Quintana- Puchol R, Duffus-Scott A. Evaluación de diferentes tipos de barnices en la protección de electrodos para la soldadura subacuática//Evaluation of different types of varnishs to protect underwater welding electrodes. Ing. Mec. [Internet]. 2012 May 1 [cited 2025 Sep. 13];15(2):95-104. Available from: https://ingenieriamecanica.cujae.edu.cu/index.php/revistaim/article/view/420

Issue

Vol. 15 No. 2 (2012): may-august

Section

Original article

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