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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...
Effect of PMMA polymer on the dynamic viscoelasticity and plasticizer leachability of PEMA-based tissue conditioners
Dynamic viscoelasticity Tissue conditioner HPLC
2010/11/29
The purpose of this study was to determine the effect of PMMA polymer on dynamic viscoelasticity and plasticizer leachability of PEMA-based tissue conditioners. One PEMA polymer and one PMMA polymer w...
Enzymatic digestion of articular cartilage results in viscoelasticity changes that are consistent with polymer dynamics mechanisms
Enzymatic digestion articular cartilage results polymer dynamics mechanisms
2010/2/25
These results demonstrate that enzymatic digestion alters cartilage viscoelastic properties in a manner consistent with polymer dynamics mechanisms. Future studies may expand the use of polymer dynami...
A Dynamic Problem with Adhesion and Damage in Electro-Viscoelasticity with Long-Term Memory
Dynamic process electro-viscoelastic material with long-term memory frictionless contact normal compliance adhesion damage existence and uniqueness monotone operator fixed point weak solution
2010/1/25
We consider a dynamic frictionless contact problem for an electro-viscoelastic body with long-term memory and damage. The contact is modelled with normal compliance. The adhesion of the contact surfac...
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...