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- When L/D is quite great, the influence of die entrance angle on die swell is less. 当L/D较大时,口模入口角对挤出胀大影响较小。
- The previous researches indicate that the entrance effect and the shear effect are the main reasons for die swell of polymer in the steady field. 高聚物熔体流动的入口效应和在口模中的剪切作用是导致稳态场中挤出物胀大的主要原因,而振动力场能有效地减小高聚物的挤出胀大比。
- ASAC filled NR compound possessed good flow property and similar die swell to that of semi reinforcing carbon black filled compound. ASAC填充NR胶料的流动性好，挤出胀大效应与填充半补强炭黑胶料相近
- Die swell of extrudate indicated that the relaxation rate of Sn-coupled SSBR compound was faster and the die swell was less obvious than that of ESBR. 挤出胀大效应表明锡偶联型SSBR混炼胶的弛豫速度比ESBR混炼胶的快，挤出胀大小，加工性能优于ESBR。
- In this paper the flowability,die swell and melt fracture of ACR/PVC blends prepared from three types of acrylate copolymers and polyvinyl chloride have been studied. 本文研究了三种国产丙烯酸酯类共聚物(ACR)与聚氯乙烯(PVC)制得共混物的流动性、离模膨胀和熔体破碎。
- The microstructure,rheological properties and die swell of clay/SBR nano composite and carbon black/SBR compound were investigated with TEM and Monsanto rheometer. 用透射电子显微镜和孟山都流变仪研究了SBR粘土纳米复合材料和SBR炭黑混炼胶的微观结构、流变性能和挤出膨胀性能。
- The effects of geometrical parameters of die and shear rates on the die swell of PVC extruded through rectangular die were discussed, and the special rules were also analyses theoretically. 研究了PVC材料通过矩形口模挤出时，口模的几何参数和剪切速率对离模膨胀的影响，并从理论上分析了其特征规律。
- And the first normal stress difference near the exit of die increases with relaxation time increasing which result in the extrusion die swell and the warpage of side walls increasing. 此外，随着松弛时间的增大，口模出口附近气辅段的第一法向应力差增加，从而导致离模膨胀和两侧壁向内的翘曲变形均增大。
- Based on these models,the three dimensional isothermal numerical simulation and experimental study were carried out for the die swell of the T-shaped plastic profile extrusion from a gas-assisted die. 文章建立了描述塑料异型材气辅挤出成型过程的理论模型,对T型异型材气辅口模挤出成型过程进行了三维等温数值模拟和实验研究。
- MESH DEPENDENCE OF DIE SWELL OF NEWTONIAN FLUID 牛顿流体挤出胀大模拟的网格依赖性
- Die swell and shrinkage of extruded tread 胎面挤出膨胀与收缩的研究
- There was a swell in the city's population. 该市出现过人口膨胀。
- Every winter some old people die from hypothermia. 每年冬天都有些老人死于体温过低。
- Our boy is doing swell at college. 我们的儿子在大学里表现出色。
- His brother is a swell at boxing. 他兄弟是个拳击能手。
- Tom had a fall and his under lip began to swell up. 汤姆跌了一跤，下唇开始肿起。
- The die-swell mechanism of polycarbasilane(PCS) melt for a spinneret with Y-shaped orifice and the effect of die swelling of PCS on the profile degree (PD) of Y-shaped SiC were investigated. 摘要研究了聚碳矽烷(PCS)熔体在Y型喷丝孔中的挤出胀大机理、膨胀模型以及膨胀比对Y型碳化矽纤维异形度的影响。
- Small extra costs all swell the total. 零星的额外费用积少成多使总数增大了
- Little does he care whether we live or die. 他一点也不管我们是死是活。
- Nowadays many people die of cancer. 现在有很多人死于癌症。
