1) first normal stress difference
第一正应力差
2) first normal stress difference
第一法向应力差
1.
Prediction of first normal stress difference during extrusion flow of tube compound;
内胎胶挤出流动中第一法向应力差的预测
2.
The melt elasticity of PP filled with CaCO3 of nano-particles or micron particles or their assembling was studied by capillary rheometry measuring the values of first normal stress difference(N1) and extrudate swell(B) of the systems.
利用高压毛细管流变仪测量的第一法向应力差(N1)和挤出胀大比(B)研究了纳米CaCO3和微米CaCO3分别填充和同时填充聚丙烯(PP)体系的熔体弹性。
3.
By processing the datas with statistics, the standard values of the viscosity and the first normal stress difference of the certified reference material in various steady shear rate were defined and the related expanded uncertainties of which were given.
经对测定数据进行统计处理 ,确定了该标准物质在不同静态剪切速率下粘度和第一法向应力差的标准值并给出了其相对扩展不确定度。
3) primary normal stress difference
第一法向应力差
1.
Combining the theory of continuous medium mechanics with the theory of rheological measure, this paper studied the dynamic extrusion process of polymer melt under superimposed vibration and established the mathematical formula of primary normal stress difference of polymer melt under vibration force field.
基于连续介质力学、高分子微观结构动力学和流变测量学的基础理论,推导出了平行叠加振动条件下高分子熔体第一法向应力差的计算公式;相应地,建立了在自行研制的恒速型毛细管动态流变装置上计算高分子熔体第一法向应力差的步骤和方法。
2.
The primary normal stress difference at the wall of the capillary under the vibration force field was calculated besed on the set-up representative law for the polymer elastic behavior under the vibration force field.
实时采集毛细管的挤出胀大值 ,借助已建立的振动力场下聚合物熔体弹性行为的表征公式 ,计算振动力场下聚合物熔体在毛细管壁处的第一法向应力差。
4) first normal stress coefficient
第一正应力系数
6) stress of the first kind
第一类应力
补充资料：极限应力平均差
分子式：
CAS号：
性质： 测出的最大作用力偏离平均作用力的值与无应力时试样的截面积之比；单位为Pa。是动态力学加载形式选择上所关心的参数之一。该值愈大，说明所加负载的应力振荡值较大。反之，说明所加交变应力比较平稳。
CAS号：
性质： 测出的最大作用力偏离平均作用力的值与无应力时试样的截面积之比；单位为Pa。是动态力学加载形式选择上所关心的参数之一。该值愈大，说明所加负载的应力振荡值较大。反之，说明所加交变应力比较平稳。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条