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The main objective of this paper is to investigate the influence of microstructure on the degradation of nodular casting by cavitation erosion and the correlation of the surface wear parameters… Click to show full abstract
The main objective of this paper is to investigate the influence of microstructure on the degradation of nodular casting by cavitation erosion and the correlation of the surface wear parameters with the sizes that characterize the resistance opposite to the cavitation phenomenon. The cavitation tests were conducted on a vibrator with piezoceramic crystals, respecting the ASTM G32-2010 standard. Microstructural investigations on eroded surfaces were performed on the optical microscope and the scanning electron microscope, and the roughness measurements with the Mitutoyo apparatus. The obtained results have demonstrated the existence of a good correlation between the resistance to cavitation erosion and the roughness parameters Ra, Rz and Rt.
Journal Title: Revista De Chimie
Year Published: 2018
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