Taşlıçukur Öztürk, Zeynep2024-06-132024-06-1320140025-53002195-857210.3139/120.1106602-s2.0-84918768553https://doi.org/10.3139/120.110660https://hdl.handle.net/11501/1403In the present work, Si3N4-based composites were characterized by a relatively low friction coefficient in unlubricated sliding against a 100Cr6 steel ball. Si3N4-based composites containing different amounts of SiC were produced by spark plasma sintering at 1650 degrees C for 5 min with a uniaxial pressure of 40 MPa in a nitrogen atmosphere. In the wear test, the load, total distance and rotating speed were selected as 60 N, 120 m and 500 rpm, respectively. The wear tracks were examined by scanning electron microscopy (SEM) to estimate the wear mechanism. The results were evaluated using the friction coefficient-distance diagram. Si3N4-based composites showed significant decrement in wear by improving toughness with SiC powder reinforcement.eninfo:eu-repo/semantics/openAccessMaterials TestingSilicon NitrideSilicon CarbideSpark Plasma SinteringWearArticle97211-12Q296956WOS:000345131900009Q2