Experimental Study of Lost Foam Casting

T. Siva Prasad *, M. Devaiah **
*-** Department of Mechanical Engineering, Geethanjali College of Engineering and Technology, Telangana, India.
Periodicity:May - July'2018
DOI : https://doi.org/10.26634/jfet.13.4.14431


In lost foam casting process, polystyrene beads are heated to foam and the required pattern is made by polystyrene foam, which is then coated with refractory and placed in a flask backed up with un-bonded sand. The molten metal poured, takes the shape of foam pattern by evaporative action of foam. Whereas in conventional sand casting, a wooden pattern is used to create mold cavity and the cavity is filled with molten metal to get the final shape of casting. In this paper, an experimental analysis was done on lost foam casting process and compared with sand casting processes. The main objective of this study is to investigate and compare the physical parameters like dimensional accuracy, surface finish, and quality of the final product obtained from lost foam casting process and sand casting process. The results from both the processes are observed and compared to find the accurate and precise process among the two processes.


Lost Foam Casting (LFC), Expandable Polystyrene (EPS), Polymethyl Methacrylate (PMMA), Polyalkylene Carbonate (PAC) Permeability, Pyrolysis, Synthetic Mullite(3Al2 O3 , 2Si02).

How to Cite this Article?

Prasad, T. S., Devaiah, M. (2018). Experimental Study of Lost Foam Casting. i-manager’s Journal on Future Engineering and Technology, 13(4), 46-52. https://doi.org/10.26634/jfet.13.4.14431


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