为了测试聚合物熔体拉伸性能,设计了基于虚拟仪器的拉伸流变仪测控系统。
In order to test the elongational behaviour of polymer melts, the paper introduces a system of the measurement of RHEOTENS based on virtual instrument technology.
结果表明,圆锥短口模挤出过程中,熔体在收敛流道受到拉伸流变,导致强烈的入口弹性效应,表现为熔体在短口模挤出时显著的挤出胀大。
The results show that the extensional flow of melt in convergent die results in intense entrance elastic effect and distinct extrusion swell in conical die with different angles.
结果表明,圆锥短口模挤出过程中,熔体在收敛流道受到拉伸流变,导致强烈的入口弹性效应,表现为熔体在短口模挤出时显著的挤出胀大。
The result shows that the extensional flowing of the melt occurs in convergent die resulting in intense entrance elastic effect and distinct extrusion swell.
结果表明,不同角度圆锥口模挤出过程中,熔体在收敛流道受到拉伸流变,导致强烈的入口弹性效应,表现出熔体在不同角度圆锥口模挤出时有不同的挤出胀大比。
The results show that the extensional flow of melt in convergent die results in intense entrance elastic effect and distinct extrusion swell in conical die with different angles.
本文通过对电流变液的边界层扩展研究,建立了一类新型单链拉伸模型。
In this paper, we have established a new tensile model of single row chains by investigating the development of boundary layers.
随着拉伸速度的减小,合金的流变应力减小,延伸率增大。
The flow stress decreases and the elongation increases with the decrease of stress rate .
通过改善聚丙烯熔体的流变性能、调整拉伸和变形工艺、控制卷绕张力和油剂加入量,可有效地提高丙纶bcf的卷曲性能。
By improving PP melt rheological properties, adjusting draw-texturing process, controlling winding tension and oil content, the crimping property of PP - BCF yarn can be improved effectively.
用布拉·班德粉质仪和拉伸仪研究分析了板栗粉对面团流变学性质的影响。
Influences of chestnut powder upon the rheology properties of bread dough were investigated by a Brabender farinograph and an extensograph.
实验结果表明:玻璃在拉伸和压缩状态下的流变模型存在差异。因此,假定玻璃在拉、压状态下的流变模型相同是不合理的。
The results indicate that the rheological models of glass are different in tension and compression, so that the above assumption is not reasonable.
人们通常假定玻璃在拉伸和压缩状态下的流变模型是相同的。
It has been generally supposed that the rheological models of glass either under compression or tension are the same.
采用偏光显微镜(PLM)、差示扫描量热仪(dsc)、毛细管流变仪和拉伸试验机对透明聚丙烯(PP)的结晶形态、热学、流变性、力学性能进行了研究。
In this paper, the crystalline morphology, thermology, rheology and mechanical properties of clarified PP are investigated by PLM, DSC, Rheometer and stretch tester.
结果证明:对于J55钢,在这一温度范围内的动态拉伸应力-应变曲线,是典型的流变金属的形变-回复曲线。
From the results of the experiments, a conclusion can be acquired. In terms of J55, its dynamic tensile strain-stress curve is a typical deformation - recovery curve of the rheological metal.
研究发酵糙米粉对小麦粉的粉质、面团的糊化、拉伸等流变学特性及面包质构的影响。
The effect of adding fermented brown rice meal on wheat flour quality and bread quality were studied.
研究发酵糙米粉对小麦粉的粉质、面团的糊化、拉伸等流变学特性及面包质构的影响。
The effect of adding fermented brown rice meal on wheat flour quality and bread quality were studied.
应用推荐