表观粘度对切变速率和切应力较敏感,并且,在低切变速率下对温度也较敏感。
It has been found that the apparent viscosity of PBR is sensitive to shear rate, shear stress, and to temperature at lower shear rate levels as well.
探讨了聚酯切片含水率、熔体温度、熔体压力、切变速率对熔体切变粘度的影响。
The effects of the moisture content in polyester chip, the melt temperature and pressure, and the shear rate on the shear viscosity are discussed.
纺丝原液粘度随着温度、剪切速率的增大而降低,过了临界切变速率后粘度会急剧下降,但在低剪切速率区粘度基本不变。
The viscosity dropped with the increase of temperature and shearing rate and decreased drastically over critical shearing rate, but remained almost unchanged at lower shearing rates.
最后根据实例计算结果分析了剪切变形分量、扩张变形分量与形变速率、构造地震的关系。
Finally, the relation among component of shear deformation, component of extension deformation and deformation rate and tectonic earthquake is analyzed on the basis of a example.
通过对高应变速率一维剪切变形理论模型的分析,提出了绝热剪切带宽度和间距与切削速度的关系式。
Based on the theoretic model of one-dimensional shear deformation under high rate loading, a relation of width and spacing for adiabatic shear band to cutting speed is proposed.
通过对高应变速率一维剪切变形理论模型的分析,提出了绝热剪切带宽度和间距与切削速度的关系式。
Based on the theoretic model of one-dimensional shear deformation under high rate loading, a relation of width and spacing for adiabatic shear band to cutting speed is proposed.
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