1) die swell ratio
挤出物胀大比率
2) die swell
挤出胀大比
1.
The results showed that the shear viscosity and non-Newton exponent of the composite decreased gradually,the die swell and the pressure loss at the entrance of zero die increased,and the appearance of extrudate deterioated as the shear rate increased;the sensitivity of the shear viscosity of composite to the shear rate decreased,the non-Newton exponent increased,in general,the die swell .
结果表明,随着剪切速率的增大,复合材料的剪切粘度和非牛顿指数逐渐减小,挤出胀大比和零口型入口压力降增大,挤出物外观变差;随着纳米碳酸钙用量的增大,复合材料的剪切粘度对剪切速率的敏感性下降,非牛顿指数增大,挤出胀大比总体上呈下降趋势,零口型入口压力降变化较小,在相对低的剪切速率下,挤出物外观得到改善。
2.
In this paper shear elastic behaviours of linear polyethylene melt were quantitively and qualitively charactenized by rheological parameters such as elastic shear complince Je, recoverable elastic strain SR,melt die swell and so on.
利用稳态剪切柔量、可回复剪切应变以及熔体挤出胀大比等参数,定量计算和定性表征了4种线型聚乙烯熔体的剪切弹性行为,研究了各表征参数之间及其与分子量、分子量分布等分子参数的关系,讨论了剪切弹性行为对加工性能的影响。
3) die swell ratio
挤出胀大比
1.
he flow of a power-law fluid flowing through an enlarged conical channel wasstudied, thus regressive relationships between die swell ratio B and normal stress difference N were obtained.
从连续方程和运动方程出发，对一种幂律流体流过扩张型圆锥流道时的流动进行了分析计算，得到了挤出胀大比Ｂ与法向应力差Ｎ之间的回归关系。
2.
Based on the data acquired by the experiment, prediction software of polymer die swell ratio was developed by the means of the hybrid programming which availed of Mat- lab language and VB language.
在通过试验获得大量样本数据的基础上,利用Matlab语言与VB语言混合编程,将人工神经网络技术移植于应用软件系统,开发了聚合物挤出胀大比预测软件。
3.
Based on the data acquired by the experiment,prediction software of polymer die swell ratio was developed by mixing programming technique with Matlab language and VB language.
在通过实验获得大量样本数据的基础上,利用Matlab语言与VB语言混合编程,开发了聚合物挤出胀大比预测软件。
4) extrusion swelling ratio
挤出胀大率
1.
Affection of the extrusion swelling ratio of insulation in power cable on cable performance;
电力电缆绝缘挤出胀大率对其性能影响的研究
5) Barus effect
挤出物胀大
6) extrusion swell
挤出胀大
1.
Theoretical Analysis on Polymer Melt Extrusion Swell at Conical Die with Different Entrance Angles;
不同角度圆锥口模对聚合物熔体挤出胀大的影响
2.
Effect of the vibration force field on the polymer extrusion swell;
振动力场对聚合物挤出胀大的影响
3.
The extrusion swell behavior of a tube compound was studied by means of a Monsanto capillary rheometer under the conditions with temperature varied from 100 to 130 ℃ and flow rate varied from 1.
00 mm/min的条件下,考察了内胎胶料的挤出胀大行为。
补充资料：挤出物胀大
分子式：
CAS号：
性质： 当高聚物熔体从小孔、毛细管或狭缝中挤出时挤出物在挤出模口后膨胀使其横截面大于模口横截面的现象。定量上用胀大比来表示。挤出物胀大在聚合物熔体中是常见的，这是由于聚合物熔体在模具内因流动而取向，在流出模口时分子重新蜷曲。挤出物胀大随切变速度增大而增大，在到达最大值后再下降。分子量增大和其他能增加缠结的因素(如长支链的增加)都将使挤出物胀大增大。
CAS号：
性质： 当高聚物熔体从小孔、毛细管或狭缝中挤出时挤出物在挤出模口后膨胀使其横截面大于模口横截面的现象。定量上用胀大比来表示。挤出物胀大在聚合物熔体中是常见的，这是由于聚合物熔体在模具内因流动而取向，在流出模口时分子重新蜷曲。挤出物胀大随切变速度增大而增大，在到达最大值后再下降。分子量增大和其他能增加缠结的因素(如长支链的增加)都将使挤出物胀大增大。
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参考词条