A bipotential-based macroscopic fatigue criterion of porous materials with a pressure-sensitive and non-associated plastic solid matrix and comparison with numerical simulation

2021 ◽  
pp. 104161
Author(s):  
J. Zhang ◽  
J.F. Shao ◽  
Q.Z. Zhu ◽  
G. De Saxcé
Keyword(s):  
Numerical Simulation ◽  
Porous Materials ◽  
Solid Matrix ◽  
Pressure Sensitive ◽  
Fatigue Criterion

scholarly journals Dynamic analysis of porous materials: Numerical simulation with an adaptive space-time FEM

PAMM ◽  
2007 ◽  
Vol 7 (1) ◽  
pp. 4070035-4070036
Author(s):  
Z. Chen ◽  
S. Diebels ◽  
H. Steeb
Keyword(s):  
Numerical Simulation ◽  
Dynamic Analysis ◽  
Porous Materials ◽  
Space Time

Effect of Cohesive Zone Size on Peeling of Heterogeneous Adhesive Tape

2018 ◽  
Vol 85 (12) ◽  
Author(s):  
L. Avellar ◽  
T. Reese ◽  
K. Bhattacharya ◽  
G. Ravichandran
Keyword(s):  
Numerical Simulation ◽  
Cohesive Zone ◽  
Elastic Stiffness ◽  
Adhesive Tape ◽  
Zone Size ◽  
Force Enhancement ◽  
Rigid Substrate ◽  
Pressure Sensitive Adhesive ◽  
Pressure Sensitive ◽  
Peel Force

The interaction between the cohesive zone and the elastic stiffness heterogeneity in the peeling of an adhesive tape from a rigid substrate is examined experimentally and with finite element simulations. It is established in the literature that elastic stiffness heterogeneities can greatly enhance the force required to peel a tape without changing the properties of the interface. However, much of these concern brittle materials where the cohesive zone is limited in size. This paper reports the results of peeling experiments performed on pressure-sensitive adhesive tapes with both an elastic stiffness heterogeneity and a substantial cohesive zone. These experiments show muted enhancement in the peeling force and suggest that the cohesive zone acts to smooth out the effect of the discontinuity at the edge of the elastic stiffness heterogeneities, suppressing their effect on peel force enhancement. This mechanism is examined through numerical simulation which confirms that the peel force enhancement depends on the strength of the adhesive and the size of the cohesive zone.

Numerical simulation of fully saturated porous materials

2008 ◽  
Vol 32 (13) ◽  
pp. 1635-1660 ◽  
Author(s):  
Boris Jeremić ◽  
Zhao Cheng ◽  
Mahdi Taiebat ◽  
Yannis Dafalias
Keyword(s):  
Numerical Simulation ◽  
Porous Materials

Prospective Applications of Gas-Eutectic Porous Materials (Gasars) in USA

2007 ◽  
Vol 539-543 ◽  
pp. 1183-1187 ◽  
Author(s):  
Vladimir Shapovalov
Keyword(s):  
Porous Materials ◽  
Eutectic Reaction ◽  
Solid Matrix ◽  
Published Data ◽  
Geometric Shapes ◽  
Controlled Conditions ◽  
Gas Atmosphere ◽  
Electrical Conductivities

The paper summarizes new and published data and also deals with structure, applications, and properties of gasars – new porous materials based on gas-eutectic reaction which was establish in USSR in 1976-1980. The method consists of melting a material in an active gas atmosphere and solidifying under controlled conditions. The materials produced by this method, have a solid matrix and pores of varied geometric shapes, providing to gasars much higher strength, plasticity, thermal and electrical conductivities as compared with those of other porous materials. For USA gasars can be recommended for there are many applications for civil and military industries.

Sign in / Sign up

Export Citation Format

Share Document