Abstract
Severe wear is a hot issue in the development of petroleum engineering which has attracted many attentions. To address this problem, a nickel-based alloy (NiCrBSiWFeCoC) coating was proposed and prepared using High-velocity oxy-fuel (HVOF) technique. The wear properties of as-sprayed composite coating were studied. The sliding wear experiments of both as-sprayed and uncoated specimens were conducted on a tribometer. The obtained results indicated that the both wear rates increased obviously with the increase in normal load, however, the friction coefficients decreased with the increase in normal load. Based on the comprehensive analyses, it can be concluded that the as-sprayed coating exhibited better wear resistance. Furthermore, the wear behaviors can be investigated by analyzing the worn morphologies. This research can provide insight into the wear prevention in petroleum engineering and decreases the failure of equipments or pipelines.
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