Effect of Pattern Coating Thickness on Surface Roughness and Porosity of Nodular Cast Iron (FCD) 450 Using Lost Foam Casting Method. Cylinder [Internet]. 2018 Oct. 15 [cited 2025 Apr. 29];4(1):7-13. Available from: https://ejournal.atmajaya.ac.id/index.php/cylinder/article/view/4193