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首页> 外文期刊>Journal of Applied Polymer Science >Reinforcing effect caused by equal channel multiple angular extrusion of polymers manufactured by the FDM process: Experimental investigation and mathematical modeling
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Reinforcing effect caused by equal channel multiple angular extrusion of polymers manufactured by the FDM process: Experimental investigation and mathematical modeling

机译：由FDM工艺制造的相等通道多角度挤出的增强效应：实验研究和数学建模

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摘要

The effect of orientation of the layers of the original structure of polymers produced by fused deposition modeling (FDM) on the reinforcing effect caused by succeeding equal channel multiple angular extrusion (ECMAE) is studied. As test objects, glassy acrylonitrile butadiene styrene copolymer (ABS), glycol-modified poly(ethylene terephthalate) (PET-G) and semicrystalline PET are selected, as well as layered composites ABS/PET and ABS/PET-G. It is demonstrated that ECMAE results in enhancement of microhardness, storage modulus, impact strength. The density, the glass transition temperature, the melting temperature are increased, too. The crystallinity degree of extrudates is enhanced. It is shown that an increment in the mechanical characteristics is better in the case of longitudinal position of the melt layers, as compared to the transversal one. The achieved effects are related to the pore healing, formation of orientation ordering, and enhanced interphase interaction and homogenization of the system in the course of production of layered composites of thermodynamically incompatible polymers. A physical model is suggested that describes the behavior of the layered materials under ECMAE. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45727.
机译：研究了通过熔融沉积建模（FDM）产生的原始结构的原始结构层的效果研究了通过成功等相等频道多角挤出（Ecmae）引起的增强效果。作为试验物，选择玻璃状丙烯腈丁二烯苯乙烯共聚物（ABS），选择二醇改性的聚（乙二醇酯）（PET-G）和半结晶PET，以及层叠复合材料ABS / PET和ABS / PET-g。结果表明，Ecmae导致耐高温，储存模量，冲击强度的增强。密度，玻璃化转变温度，熔化温度也增加。挤出物的结晶度提高。结果表明，与横向的相比，在熔体层的纵向位置的情况下，机械特性的增量更好。所取得的效果与孔愈合，取向排序的形成，以及在热力学不相容聚合物的层状复合材料的生产过程中增强了系统的间环间相互作用和均质化。建议一种物理模型，其描述了Ecmae下的分层材料的行为。 （c）2017 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,45727。

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