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1)  gas-assisted extrusion
气辅挤出成型
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2)  gas-assisted coextrusion
气辅共挤出成型
1.
On the basis of the former studies, the experimental study and numerical simulation of gas-assisted coextrusion have been conducted in this paper.
3、通过数值模拟,得到不同工况、不同物性参数条件下的各种场量分布,分析粘弹流变性能参数和工艺参数对传统共挤出成型和气辅共挤出成型界面不稳定性的影响规律。
3)  gas-assisted co-extrusion
气辅共挤成型
1.
The gas-assisted co-extrusion combines both virtues of co-extrusion and gas-assisted extrusion.
介绍了现有气辅共挤成型的流程和气辅共挤口模的大致形状,并提出了气辅共挤成型工艺的实体和有限元模型。
2.
A new gas-assisted co-extrusion molding technique was put forward, and a theoretical model was established, based on the characteristics of gas-assisted co-extrusion.
提出全新的气辅共挤成型工艺,基于气辅共挤成型特点建立了理论模型,通过数值模拟系统研究聚合物流变性能和工艺参数对气辅共挤成型界面不稳定性的影响规律,揭示其影响机理。
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4)  gas-assisted co-extrusion molding
气辅共挤成型
1.
A set of new technique for gas-assisted co-extrusion molding was firstly proposed in this paper.
提出了全新的气辅共挤成型工艺,基于气辅共挤成型特点建立了理论模型,通过数值模拟系统研究了聚合物流变性能和工艺参数对气辅共挤成型分层界面不稳定的影响规律,并揭示了其影响机理。
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5)  Gas-assisted extrusion
气辅挤出
1.
Study of Die Swell of Gas-assisted Extrusion of Polymer;
聚合物气辅挤出的挤出胀大研究
2.
The study on die swell in the gas-assisted polymer extrusion process was conducted on the self-made gas-assisted extrusion device.
对气辅挤出过程中的挤出胀大现象进行了实验研究和数值模拟,在实验研究中,对传统挤出和气辅挤出进行了对比实验,分析了螺杆转速、辅助挤出气体压力和流量对挤出胀大的影响,并采用CFD有限元通用软件FIDAP分析了气辅挤出过程中口模内的速度场和压力场。
3.
With its potential applications in manufacturing the precise extrusion products,gas-assisted extrusion molding could significantly reduce the die-swell ratio.
气辅挤出成型可以明显地降低挤出胀大比,在精密挤出制品中具有潜在的应用价值。
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6)  GAE
气辅挤出
1.
Based on the Generalized Navier\'s slip law and the mixed finite element methods of EVSS/SUPG(Elastic-Viscous Stress Split elastic/Streamline Upwind Petrov-Galerkin),using PTT rheological constitutive equation,a numerical simulation system describing the flowing visco-elastic polymer passes through different gas-assisted extrusion(GAE)dies was established.
研究表明,气辅挤出可以有效减小压力降,并将应力集中的位置由口模出口处转移到气体的注入点。
2.
Based on the generalized navier\'s slip equation and thompson transformation,a numerical simulation system describing the flowing visco-elastic polymer passing through different gas-assisted extrusion(GAE) dies was established.
模拟还表明:延长气辅挤出口模中滑移段的长度可以避免挤出物发生熔体破裂,并可有效降低挤出胀大比。
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补充资料：完全挤出

完全挤出：政府支出的增加被一种或多种私人支出的减少完全抵消.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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