مشخصات پژوهش

In this study, the erosion behavior of wear-resistant WC/NiCrBSi composite coating deposited by the oxy-acetylene flame welding was investigated. The solid particle erosion wear characteristics of the coatings, tribology, and active erosion micro-mechanisms were investigated carefully under three impact angles of 10°, 45°, and 90°. The observations showed that under the low impact angle, the wear behaviour was ductile, and under the normal impact angle the dominant wear behaviour was brittle. Under the impact angle of 45°, the simultaneous operation of both ductile and brittle behaviours led to a 62% reduction in erosion resistance. Responsible micro-mechanisms for erosion wear under each impact angle were shown by providing accurate images.