Evaluación de la resistencia al desgaste de los recubrimientos obtenidos con electrodos: E7018, E6013, E6011. bajo la norma técnica ASTM G83-96

Abstract

In this investigation work, tests under a regime of dry friction were made to evaluate the phosphor bronze wear on the steel AISI SAE 1018, with three different coatings which are E6011, E6013, and E7018. The purpose of the investigation project was to determine the tribological pair having major resistance to the wear. Hardness and metallographic tests were performed, before and after the dry friction test, to fulfill the goals of the research project. It was performed in a cross-cylinder machine under the recommendations and parameters established by the ASTM G83-96 standard. The test consists of two test pieces, one of them fixed and the other one mobile, which was previously machined according to the above-mentioned standard. Once the dry friction test was performed, the gravimetric wear was evaluated and the friction coefficient value was established. Besides, the ANOVA design analysis of variance experiments was carried out to establish the coating that would provide greater resistance to wear. Once the tests are finished, it can be concluded without exception, that all of them provide the same result of which is the most acceptable coating for the reconstruction of machine elements. It is recommended to achieve wear tests in different operating conditions such as speed, time, or with different antifriction materials such as aluminum bronze.