Effects of Heat Input and Preheating Temperature on the Microstructure and Hardness of Repairing the Heat-Affected Zone of Thermite Welded Rail Head Surface. Indonesian J. Sci. Technol [Internet]. 2024 Aug. 11 [cited 2025 Jul. 8];9(2):421-40. Available from: https://ejournal.kjpupi.id/index.php/ijost/article/view/361