Nakpradit T, Poopat B. Investigation of Diffusible Hydrogen Content and Microstructure Examination of Underwater Welding. Applied Science and Engineering Progress [internet]. 2013 Sep. 19 [cited 2025 Dec. 8];3(3):45-51. available from: https://ph02.tci-thaijo.org/index.php/ijast/article/view/67400