G. Özer, Burçin Özbay, Z. Öter, G. Tarakci, M. S. Yılmaz, M. Bulduk, E. Koç, S. Acar, K. Güler
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Investigation of the surface quality and dimensional accuracy of polymer patterns produced by selective laser sintering (SLS) method for investment casting (IC)
ABSTRACT In this study, Polymer (Primecast® 101-EOS)patterns were produced with the EOS Formiga P110 system, and these patterns were compared with conventional wax patterns using their suitability for the investment casting (IC) method. Besides, Scanning Electron Microscope (SEM) and Thermal Analysis (DSC and TGA) were applied produced to investigate the properties of Primecast® patterns and their suitability for the IC. A356 aluminium alloy castings were produced in a Vacuum-Assisted Casting (VAC) machine, and graded precision casting method using conventional wax and Primecast® patterns and surface roughness and dimensional accuracy measurements were carried out on the patterns and cast parts. In light of the data obtained from the study, Primecast® powder is thought to have several advantages for the ceramic shell IC method.
期刊介绍：
The International Journal of Cast Metals Research is devoted to the dissemination of peer reviewed information on the science and engineering of cast metals, solidification and casting processes. Assured production of high integrity castings requires an integrated approach that optimises casting, mould and gating design; mould materials and binders; alloy composition and microstructure; metal melting, modification and handling; dimensional control; and finishing and post-treatment of the casting. The Journal reports advances in both the fundamental science and materials and production engineering contributing to the successful manufacture of fit for purpose castings.
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