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首页> 外文期刊>Journal of Applied Polymer Science >Experimental investigation and optimization of printing parameters of3Dprinted polyphenylene sulfide through response surface methodology
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Experimental investigation and optimization of printing parameters of3Dprinted polyphenylene sulfide through response surface methodology

机译：响应面法测定3dprepted聚苯硫醚印刷参数的实验研究和优化

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摘要

Today fused filament fabrication is one of the most widely used additive manufacturing techniques to manufacture high performance materials. This method entails a complexity associated with the selection of their appropriate manufacturing parameters. Due to the potential to replace poly-ether-ether-ketone in many engineering components, polyphenylene sulfide (PPS) was selected in this study as a base material for 3D printing. Using central composite design and response surface methodology (RSM), nozzle temperature (T), printing speed (S), and layer thickness (L) were systematically studied to optimize the output responses namely Young's modulus, tensile strength, and degree of crystallinity. The results showed that the layer thickness was the most influential printing parameter on Young's modulus and degree of crystallinity. According to RSM, the optimum factor levels were achieved at 338 degrees C nozzle temperature, 30 mm/s printing speed, and 0.17 mm layer thickness. The optimized post printed PPS parts were then annealed at various temperatures to erase thermal residual stress generated during the printing process and to improve the degree of crystallinity of printed PPS's parts. Results showed that annealing parts at 200 degrees C for 1 hr improved significantly the thermal, structural, and tensile properties of printed PPS's parts.
机译：今天，熔融灯丝制造是制造高性能材料最广泛使用的添加剂制造技术之一。这种方法需要与选择合适的制造参数相关的复杂性。由于聚苯硫醚（PPS）在许多工程部件中具有取代聚醚醚酮的潜力，本研究选择PPS作为3D打印的基础材料。采用中心复合材料设计和响应面法（RSM），系统研究了喷嘴温度（T）、印刷速度（S）和层厚（L），以优化输出响应，即杨氏模量、拉伸强度和结晶度。结果表明，膜层厚度对杨氏模量和结晶度的影响最大。根据RSM，在338摄氏度的喷嘴温度、30毫米/秒的打印速度和0.17毫米的层厚下，获得了最佳的因子水平。优化后的印刷PPS零件随后在不同温度下退火，以消除印刷过程中产生的热残余应力，并提高印刷PPS零件的结晶度。结果表明，零件在200℃下退火1小时，可显著改善印刷PPS零件的热性能、结构性能和拉伸性能。

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