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

IF 1.3 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING International Journal of Cast Metals Research Pub Date : 2020-05-03 DOI:10.1080/13640461.2020.1773053

G. Özer, Burçin Özbay, Z. Öter, G. Tarakci, M. S. Yılmaz, M. Bulduk, E. Koç, S. Acar, K. Güler

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引用次数: 10

Abstract

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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熔模铸造用选择性激光烧结(SLS)法制备聚合物图案的表面质量和尺寸精度研究

在本研究中，使用EOS Formiga P110系统生产了聚合物(Primecast®101-EOS)模型，并将这些模型与传统蜡模进行了比较，以确定它们是否适合熔模铸造(IC)方法。此外，采用扫描电镜(SEM)、热分析(DSC)和热重分析(TGA)研究了Primecast®花纹的性能及其在集成电子器件中的适用性。在真空辅助铸造(VAC)机上生产A356铝合金铸件，采用常规蜡和Primecast®花纹的分级精密铸造方法，对花纹和铸件进行了表面粗糙度和尺寸精度测量。根据从研究中获得的数据，Primecast®粉末被认为具有陶瓷壳IC方法的几个优点。

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来源期刊

International Journal of Cast Metals Research 工程技术-冶金工程

CiteScore

2.70

自引率

7.10%

发文量

审稿时长

7.5 months

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.