Polyethylene terephthalate glycol (PETG) has been widely used in the production of industrial parts with additive manufacturing due to its high strength and temperature performance. In this study, the abrasive wear behavior of PETG specimens produced by the fused deposition modelling (FDM) method was characterized under different wear conditions (3 different sliding speeds and loads). Poly lactic acid (PLA), which is widely used in additive manufacturing with FDM, has been examined for comparison purposes. Experimental results showed that PETG specimens showed the best abrasion resistance in all abrasion conditions. Different parameters were used in wear conditions. It was determined that the wear behavior of PETG could be optimized. PETG samples had the lowest coefficient of friction. Worn surface analysis results showed that micro-cutting, abrasive wear, and delamination wear mechanisms are active wear mechanisms.
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