Development of a new combined numerical/experimental approach for the modeling of the nonlinear hyper-viscoelastic behavior of highly carbon black filled rubber compound

2018 ◽  
Vol 70 ◽  
pp. 135-143 ◽  
Author(s):  
Mir Hamid Reza Ghoreishy ◽  
Foroud Abbassi Sourki
Keyword(s):  
Carbon Black ◽  
Experimental Approach ◽  
Viscoelastic Behavior ◽  
Rubber Compound ◽  
Filled Rubber

Online Method for Characterization of the Homogeneity of Rubber Compounds Filled with Non-Conductive Carbon Black

2006 ◽  
Vol 79 (4) ◽  
pp. 610-620 ◽  
Author(s):  
H. H. Le ◽  
M. Tiwari ◽  
S. Ilisch ◽  
H-J. Radusch
Keyword(s):  
Carbon Black ◽  
Electrical Conductance ◽  
Rubber Compound ◽  
Mixture Ratio ◽  
Dispersion Process ◽  
Filled Rubber ◽  
Rubber Compounds ◽  
Conductance Method ◽  
Internal Mixer

Abstract In the present work, the effect of carbon black (CB) type on the electrical conductance of CB filled rubber compounds measured online in the internal mixer and the corresponding CB dispersion were investigated. The CB dispersion is strongly affected by the specific surface area and structure of CB which can be directly monitored by use of the online electrical conductance method. The effect of CB mixture ratio of a high conductive CB and a non-conductive one on the online electrical conductance was investigated for CB filled rubber compounds. By addition of a small amount of a high-conductive CB type into a non-conductive CB filled rubber compound, a characteristic online conductance - time characteristic is observed that is a result of the formation of a joint network of the two CB types. It could be shown, that such a characteristic is suitable to monitor the dispersion process of the non-conductive CB in the rubber compound.

Understanding fracture of a carbon black filled rubber compound using material force theory

2020 ◽  
Vol 108 ◽  
pp. 102649 ◽  
Author(s):  
Anand Poomuthu ◽  
Radek Stoček ◽  
Santanu Chattopadhyay ◽  
Dipak Khastgir ◽  
Michael Kaliske ◽  
...  
Keyword(s):  
Carbon Black ◽  
Rubber Compound ◽  
Material Force ◽  
Filled Rubber

Steady-State Shear Flow Properties of Carbon-Black Filled Rubber Compounds

1994 ◽  
Vol 67 (2) ◽  
pp. 207-216 ◽  
Author(s):  
S. Ertong ◽  
H. Eggers ◽  
P. Schümmer
Keyword(s):  
Carbon Black ◽  
Superposition Principle ◽  
Viscoelastic Behavior ◽  
Shear Rates ◽  
Creep Flow ◽  
Filled Rubber ◽  
Rubber Compounds ◽  
Yield Values ◽  
Time Temperature Superposition Principle ◽  
Flow Experiments

Abstract The steady shear viscosities of four model rubber/carbon-black compounds are measured with a modified Weissenberg Rheometer in a range of moderate shear rates. Yield stresses and low-shear viscosities are determined from creep-flow experiments. Yield stresses are found to increase strongly with filler content while their dependence on temperature can be described by an Arrhenius-type function. Flow curves are reduced to master curves by means of the time-temperature superposition principle. The shift factors are well approximated by the WLF-relation. The contribution of the “secondary” carbon-black network to the viscoelastic behavior requires additional vertical shifting for the filled compounds. Viscosities are found to be in very good agreement with the Herschel-Bulkley model when using the experimentally determined yield values.

Silica Properties/Rubber Performance Correlation. Carbon Black-Filled Rubber Compounds

1994 ◽  
Vol 67 (2) ◽  
pp. 217-236 ◽  
Author(s):  
Timothy A. Okel ◽  
Walter H. Waddell
Keyword(s):  
Carbon Black ◽  
Physical Properties ◽  
Surface Area ◽  
Performance Characteristics ◽  
Rubber Compound ◽  
The Road ◽  
Precipitated Silica ◽  
Filled Rubber ◽  
Rubber Compounds ◽  
As Stress

Abstract The effectiveness of predicting rubber performance based on measured silica physical properties in silica- and carbon black-filled compounds is presented for three rubber formulations: an off-the-road tire tread, a wire coat stock and a V-belt. Correlation and regression analyses were performed using SAS software for sixteen physical properties of thirteen precipitated silicas, and sixteen rubber compound performance characteristics of the three compounds. Silica physical properties studied include various measurements of surface area and structure, particle size, pH and impurities. Rubber performance characteristics studied include cure properties and physical properties such as stress/strain, tear strength, cut growth resistance, abrasion resistance and heat build-up. The present study confirms that silica surface area is the single best predictor of the effect that varying silica physical properties have on the physical performance of cured, carbon black-filled rubber compounds containing precipitated silica. Silica structure, as measured by DBP absorption and nitrogen or mercury pore volume, is a secondary predictor of certain rubber physical properties. The confidence limits of the predictions is dependent upon the concentration of precipitated silica used in the carbon black-filled rubber compound.

Strain-Rate Amplification of Carbon-Black-Filled Rubber Compounds

1988 ◽  
Vol 61 (5) ◽  
pp. 938-951 ◽  
Author(s):  
Nobuyuki Nakajima
Keyword(s):  
Carbon Black ◽  
Strain Rate ◽  
Case Studies ◽  
Rubber Compound ◽  
Strain Measurements ◽  
Rate Dependent ◽  
Filled Rubber ◽  
Rubber Compounds ◽  
Dependent Strain ◽  
Is Strain

Abstract The strain amplification is one of the recognized causes of the reinforcement of rubber by carbon black. Previously, we evaluated strain amplification in nonequilibrium, i.e., stress-strain measurements. Carbon-black-filled rubber compounds were used. In these examples, not only strain but also strain rate must be amplified, since it is a dynamic situation. Because the behavior of the gum matrix is strain-rate dependent, strain-rate amplification is also an important aspect of the rubber compound behavior. In this paper, we presented case studies of strain-rate amplification with several compounds involving variation of gum rubbers and carbon blacks.

scholarly journals Contraction and capillary flow of a carbon black filled rubber compound

2019 ◽  
Vol 60 (1) ◽  
pp. 32-43 ◽  
Author(s):  
Sebastian Stieger ◽  
Roman Christopher Kerschbaumer ◽  
Evan Mitsoulis ◽  
Michael Fasching ◽  
Gerald Roman Berger‐Weber ◽  
...  
Keyword(s):  
Carbon Black ◽  
Capillary Flow ◽  
Rubber Compound ◽  
Filled Rubber
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