“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., vol. 9, no. 2, pp. 421–440, Sep. 2024, Accessed: Jun. 07, 2026. [Online]. Available: https://ijost.upi.edu/index.php/ijost/article/view/412