Abrasive wear in wear plates and hard coatings applied by welding with shielded electrode

Performance against abrasive wear was evaluated (in compliance with the ASTM G-65 standard) for both wear plates and hard coatings applied by electric welding. The characterization of the coatings was achieved by using hardness tests, optical microscopy and scanning electron microscopy (SEM). Althou...

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Autores:
Tipo de recurso:
Fecha de publicación:
2017
Institución:
Universidad Pedagógica y Tecnológica de Colombia
Repositorio:
RiUPTC: Repositorio Institucional UPTC
Idioma:
eng
OAI Identifier:
oai:repositorio.uptc.edu.co:001/14197
Acceso en línea:
https://revistas.uptc.edu.co/index.php/ingenieria/article/view/7322
https://repositorio.uptc.edu.co/handle/001/14197
Palabra clave:
Abrasion
Coating
Plates
SMAW
Tribology
Wear
Weld.
Abrasión
Desgaste
Láminas
Revestimiento
Soldadura
SMAW
Tribología
Rights
License
http://purl.org/coar/access_right/c_abf427
Description
Summary:Performance against abrasive wear was evaluated (in compliance with the ASTM G-65 standard) for both wear plates and hard coatings applied by electric welding. The characterization of the coatings was achieved by using hardness tests, optical microscopy and scanning electron microscopy (SEM). Although it was observed a direct correlation between hardness and wear resistance, a linear growth pattern was not followed. Besides the information from the hardness tests, data regarding the distribution and shape of the carbides in the welding bead are also necessary to choose the hard coating applied by welding, to protect against abrasive wear. Base metal and coatings had satisfactory joint, due to their dilution; the first welding layer had less hardness than the third welding layer.