The role of filler volume fraction in the strain-rate dependence of calcium carbonate-reinforced polyethylene

1998 ◽  
Vol 70 (9) ◽  
pp. 1717-1724 ◽  
Author(s):  
J. Suwanprateeb ◽  
S. Tiemprateeb ◽  
S. Kangwantrakool ◽  
K. Hemachandra
Keyword(s):  
Calcium Carbonate ◽  
Strain Rate ◽  
Volume Fraction ◽  
Rate Dependence ◽  
Strain Rate Dependence ◽  
Filler Volume Fraction

scholarly journals Numerical Simulation of Tool/Abradable Material Interaction Experiments

2012 ◽  
Author(s):  
Alain Batailly ◽  
Marion Cuny ◽  
Mathias Legrand
Keyword(s):  
Strain Rate ◽  
High Speed ◽  
Rate Dependence ◽  
Strain Rate Dependence ◽  
Robust Solution ◽  
Abradable Coating ◽  
Rotor Stator Interaction ◽  
Material Interaction ◽  
Numerical Strategy

Applying abradable coating on the casing of turbomachines has been widely recognized as a robust solution advantageously combining the adjustment of operating clearances with the reduction of potential non-repairable damages. Thus, the modeling of this material is a growing field of investigation. Based on the numerical strategy proposed and detailed in previous publication by the same authors, the present study aims at capturing the mechanical behavior of abradable coating in the context of high speed interaction with a rigid tool. The plastic law given is first enriched in order to take into account strain rate dependence. The sensitivity of the model regarding its main numerical parameters is assessed and highlights the role of each of these parameters. The calibration of numerical results with respect to experimental results lead to very satisfying results that confirm that the proposed strategy is well-suited for the modeling of abradable coating. Finally, the newly developped viscoplastic law is applied to a 3D rotor/stator interaction case to determine the criticity of strain rate dependence in the case of blade/casing contact.

scholarly journals Reduced preload increases Mechanical Control (strain-rate dependence) of relaxation by modifying myosin kinetics

2021 ◽  
pp. 108909
Author(s):  
Brianna M. Schick ◽  
Hunter Dlugas ◽  
Teresa L. Czeiszperger ◽  
Alexandra R. Matus ◽  
Melissa J. Bukowski ◽  
...  
Keyword(s):  
Strain Rate ◽  
Rate Dependence ◽  
Strain Rate Dependence ◽  
Control Strain ◽  
Mechanical Control
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