期刊
METALS
卷 11, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/met11111774
关键词
3D printing; sintering; CuSn10; mechanical properties; characterization
资金
- Scientific and Technological Research Council of Turkey (TUBITAK) [218M809]
The study successfully produced CuSn10 bronze alloy using FDM method and investigated the effect of printing parameters on its properties. By adjusting printing speed and layer thickness, the density and morphological properties of the product can be controlled effectively. Sintering temperature is a key parameter, with 900°C yielding the highest density and strength.
The interest in producing cost-effective 3D printed metallic materials is increasing day by day. One of these methods, which has gained much attention recently, is the fused deposition modelling (FDM) method. The parameters used in the FDM method have significant effects on the printed part properties. In this study, CuSn10 bronze alloy was successfully produced. The printing speed and layer thickness were investigated as the printing process parameters, and their effect on morphological properties was characterized by using SEM. As a result, it was observed that the formation of printing-induced voids was prevented by applying a layer thickness of 0.2 mm. Additionally, by increasing printing speed, a slight decrease in product density was observed. Following determination of 3D printing parameters which give the highest printed part density, the parts were debound in hexane solution via solvent debinding. Finally, the parts were sintered at 850, 875 and 900 & DEG;C for 5 h to examine effect of sintering temperature on density, porosity, shape deformation and mechanical properties. Although partial slumping started to form over 875 & DEG;C, the highest density (94.19% of theoretical density) and strength (212 & PLUSMN; 17.72 MPa) were obtained by using 900 & DEG;C as the sintering temperature.
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