Tran, Ngoc-Nam, Trung-Kien Le, and Thanh-Hai Nguyen. 2025. “Effects of Billet Preheating Temperature on the Microstructure and Operational Reliability of Hot-Forged C45 Steel Horns”. Engineering, Technology & Applied Science Research 15 (6). Greece:30161-68. https://doi.org/10.48084/etasr.14510.