Experimental investigation and optimization of fused filament fabrication parameters for enhanced mechanical performance of PETG and carbon fiber-reinforced PETG composites

Vishwas Mahesh, Prashanthkumar Hadi, Vinyas Mahesh, Dineshkumar Harursampath, Mushraf Pasha, Pavan Kumar Tumkur Shivaprakash, Pramod Bangalore Shridhar, Raghavendra Karadigere Ravish, Department of Industrial Engineering and Management, Siddaganga Institute of Technology, Visvesvaraya Technological University, NMCAD Laboratory, Department of Aerospace Engineering, Indian Institute of Science, Department of Mechanical Engineering, National Institute of Technology Silchar

Journal of Thermoplastic Composite Materials

Published online on November 22, 2025

Abstract

Journal of Thermoplastic Composite Materials, Volume 39, Issue 6, Page 3025-3063, June 2026.
This study investigates the influence of key additive manufacturing parameters on the mechanical performance of polyethylene terephthalate glycol (PETG) and carbon fiber-reinforced PETG (CF-PETG) composites fabricated through fused filament fabrication (...