Petchsang, S., Poopat, B. and Phung-on, I. (2013) “Microhardness and Microstructure on Welding of Nodular Cast Iron Grade FCD 500”, Applied Science and Engineering Progress, 5(1), pp. 55–61. available at: https://ph02.tci-thaijo.org/index.php/ijast/article/view/67343 (accessed: 18 September 2026).