Investigation of the surface quality and dimensional accuracy of polymer patterns produced by selective laser sintering (SLS) method for investment casting (IC)

Gökhan Özera Aluminum Test Training and Research Center (ALUTEAM), Fatih Sultan Mehmet Vakif University, Istanbul, TurkeyCorrespondence[email protected]

https://orcid.org/0000-0001-5233-8896

Burçin Özbaya Aluminum Test Training and Research Center (ALUTEAM), Fatih Sultan Mehmet Vakif University, Istanbul, Turkey

Zafer Çağatay Ötera Aluminum Test Training and Research Center (ALUTEAM), Fatih Sultan Mehmet Vakif University, Istanbul, Turkey

Gürkan Tarakçia Aluminum Test Training and Research Center (ALUTEAM), Fatih Sultan Mehmet Vakif University, Istanbul, Turkey

Mustafa Safa Yılmaza Aluminum Test Training and Research Center (ALUTEAM), Fatih Sultan Mehmet Vakif University, Istanbul, Turkey

Mustafa Enes Bulduka Aluminum Test Training and Research Center (ALUTEAM), Fatih Sultan Mehmet Vakif University, Istanbul, Turkey

Ebubekir Koça Aluminum Test Training and Research Center (ALUTEAM), Fatih Sultan Mehmet Vakif University, Istanbul, Turkey

Serhat Acarb Department of Metallurgy and Materials Engineering, Yildiz Technical University, Davutpasa Campus, Istanbul, Turkey

Kerem Altuğ Gülerb Department of Metallurgy and Materials Engineering, Yildiz Technical University, Davutpasa Campus, Istanbul, Turkey

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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.

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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)

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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)

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