Effects of Heat Input and Preheating Temperature on the Microstructure and Hardness of Repairing the Heat-Affected Zone of Thermite Welded Rail Head Surface. Indones. j. sci. technol. [Internet]. 2024 Sep. 1 [cited 2026 Jun. 7];9(2):421-40. Available from: https://ijost.upi.edu/index.php/ijost/article/view/412