Effect of Rice Husk Ash and Clay Powder as Cooling Media in Post Weld Heat Treatment (PWHT) on The Impact Toughness of SMAW-Welded SS400 Steel. Vomek [Internet]. 2026 May 31 [cited 2026 Jun. 11];8(2):86-9. Available from: http://vomek.ppj.unp.ac.id/index.php/vomek/article/view/945