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Estimation Method of Stress Relaxation Behavior in Bolted Flange Joints using Three Dimensional Viscoelasticity Theory
Estimation Method Stress Relaxation Behavior Bolted Flange Joints
2013/9/30
In order to prevent an accident due to leakage of a contained fluid from the joints, it is important to establish a method for the estimation of stress relaxation behavior. It is a need to evaluate th...
库尔勒香梨不同膨压水平下的动态粘弹特性（Turgor Effects on Dynamic Viscoelasticity of Korla Pear Tissue）
库尔勒香梨 细胞膨压 动态粘弹特性
2010/12/28
对经过不同浓度蔗糖溶液渗透处理后具有高、低和正常3种膨压水平的库尔勒香梨果肉进行振荡剪切试验和蠕变试验，以考察膨压水平对香梨果肉组织粘弹特性的影响。结果表明，不同膨压香梨果肉在各频域内的储能模量（G′）均远大于损耗模量（G″），且变化都不受频率影响，但均随膨压提高呈增大趋势。同时，不同膨压香梨果肉的蠕变响应可采用六元件广义Kelvin-Voigt模型精确拟合，模型中的瞬时弹性柔量（J0）、延迟...
A device especially designed for uniaxial creep test was used in this study. Cheddar cheeses of different fat content were used. To study the linear viscoelastic response of the cheese, temperature of...