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Ingeniería Mecánica

versión On-line ISSN 1815-5944

Resumen

CARDENAS-FERIA, Dayan-Carolina; HERRERA-QUINTERO, Liz-Karen  y  OLAYA-FLOREZ, Jhon-Jairo. Wear resistance of aluminum bronze coatings produced by thermal spray. Ingeniería Mecánica [online]. 2015, vol.18, n.3, pp.173-180. ISSN 1815-5944.

We studied the adhesive wear resistance of aluminum bronze coatings deposited by thermal spray on phosphor bronze SAE 62 substrates. The coatings were deposited by varying the partial pressures of the combustion gases: oxygen and acetylene. The structural characterization was made through X-ray diffraction (XRD) and the morphological analysis was performed by scanning electron microscopy (SEM). The adhesive wear resistance of the coatings was determined by the bole on disc test using a spherical ball made of steel 100Cr6 and with a diameter of 6 mm. The results obtained show that the coating projected with an oxygen pressure of 78 psi and an acetylene pressure of 8 psi have the better wear resistance compared with the substrate and the others treatments deposited. Wear mechanisms for the coatings deposited are discussed in this research.

Palabras clave : adhesive wear; coatings; flame spray.

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