DEVELOPMENT OF TEXTILE-RUBBER COMPOSITE MATERIALS USING RECYCLED RUBBER AND TEXTILES WITH APPLICATIONS IN INDUSTRY

This paper study methods to obtain composite materials based on recycled rubber from End-of-Life tires and scrap textile. Rubber particles was obtained by industrial shredding procedures and separated by dimension, using sieves. Recycled cotton weave was obtained from scrap cotton textiles. The composite material was produced mixing the recycled rubber powder with a solution of acrylate rubber (AR), (NipolR AR 51) in acetone/ethyl acetate, then coating that composition on a 100% recycled cotton weave. After application, the composite was dried in a dryer with ventilation. The final composite material will be chemical characterized. Attempts will be made to determine whether the composite can be used as isolation material with temperature dissipation characteristics.

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Effects of Different Structure Rotors on Mixing Process and Quality of Short Fiber-Rubber Composite Material

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.87-88.277 ◽

2009 ◽

Vol 87-88 ◽

pp. 277-281

Author(s):

Chuan Sheng Wang ◽

De Wei Zhang ◽

Hui Guang Bian

Keyword(s):

Composite Material ◽

Composite Materials ◽

Short Fiber ◽

Experimental Results ◽

Mixing Process ◽

Mixing Performance ◽

Rubber Composite ◽

New Type ◽

Better Than

The structure of rotors is an important factor, which impacts the quality of the mixed rubber. For the short fiber-rubber composite material, the structure of the rotors is most important. Through the experiments study, the mixing performances of four-wing synchronous rotor, six-wing synchronous rotor and new type of six-wing synchronous varying clearance rotor have been studied. The experimental results indicated that the mixing performance of the new type rotor is much better than the four-wing and six-wing synchronous rotor for the mixing of short fiber-rubber composite materials.

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Study of the Composite Materials Optimal Structure Containing a Hollow Aluminum and Silica Microsphere Dependence on Humidity

Micro and Nanosystems ◽

10.2174/1876402912999201109204218 ◽

2020 ◽

Vol 12 ◽

Author(s):

Alexandra Atyaksheva ◽

Yermek Sarsikeyev ◽

Anastasia Atyaksheva ◽

Olga Galtseva ◽

Alexander Rogachev

Keyword(s):

Composite Material ◽

Composite Materials ◽

Strength Function ◽

Theory And Practice ◽

Optimal Structure ◽

Optimal Size ◽

Structure And Properties ◽

Power Functions ◽

Silica Microsphere ◽

Heat Engineering

Aims:: The main goals of this research are exploration of energy-efficient building materials when replacing natural materials with industrial waste and development of the theory and practice of obtaining light and ultra-light gravel materials based on mineral binders and waste dump ash and slag mixtures of hydraulic removal. Background.: Experimental data on the conditions of formation of gravel materials containing hollow aluminum and silica microsphere with opportunity of receipt of optimum structure and properties depending on humidity with the using of various binders are presented in this article. This article dwells on the scientific study of opportunity physical-mechanical properties of composite materials optimization are considered. Objective.: Composite material contains hollow aluminum and silica microsphere. Method.: The study is based on the application of the method of separation of power and heat engineering functions. The method is based on the use of the factor structure optimality, which takes into account the primary and secondary stress fields of the structural gravel material. This indicates the possibility of obtaining gravel material with the most uniform distribution of nano - and microparticles in the gravel material and the formation of stable matrices with minimization of stress concentrations. Experiments show that the thickness of the cement shell, which performs power functions, is directly related to the size of the raw granules. At the same time, the thickness of the cement crust, regardless of the type of binder, with increasing moisture content has a higher rate of formation for granules of larger diameter. Results.: The conditions for the formation of gravel composite materials containing a hollow aluminosilicate microsphere are studied. The optimal structure and properties of the gravel composite material were obtained. The dependence of the strength function on humidity and the type of binder has been investigated. The optimal size and shape of binary form of gravel material containing a hollow aluminosilicate microsphere with a minimum thickness of a cement shell and a maximum strength function was obtained. Conclusion.: Received structure allows to separate power and heat engineering functions in material and to minimize the content of the excited environment centers.

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Hierarchical ZSM-22/PHTS composite material and its hydro-isomerization performance in hydro-upgrading of gasoline

Catalysis Science & Technology ◽

10.1039/d1cy00400j ◽

2021 ◽

Author(s):

Jiyuan Fan ◽

Chengkun Xiao ◽

Jinlin Mei ◽

Cong Liu ◽

Aijun Duan ◽

...

Keyword(s):

Composite Material ◽

Composite Materials ◽

Impregnation Method ◽

Molar Ratios

CoMo series catalysts based on ZSM-22/PHTS (ZP) composite materials with different SiO2/Al2O3 molar ratios were prepared via the impregnation method. The properties of the ZP material and the corresponding catalysts...

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Acoustic Emission and K-S Metric Entropy as Methods for Determining Mechanical Properties of Composite Materials

Sensors ◽

10.3390/s21010145 ◽

2020 ◽

Vol 21 (1) ◽

pp. 145

Author(s):

Lesław Kyzioł ◽

Katarzyna Panasiuk ◽

Grzegorz Hajdukiewicz ◽

Krzysztof Dudzik

Keyword(s):

Mechanical Properties ◽

Acoustic Emission ◽

Composite Material ◽

Composite Materials ◽

Testing Machine ◽

Measurement Data ◽

Entropy Method ◽

Displacement Sensor ◽

Metric Entropy ◽

Plastic Phase

Due to the unique properties of polymer composites, these materials are used in many industries, including shipbuilding (hulls of boats, yachts, motorboats, cutters, ship and cooling doors, pontoons and floats, torpedo tubes and missiles, protective shields, antenna masts, radar shields, and antennas, etc.). Modern measurement methods and tools allow to determine the properties of the composite material, already during its design. The article presents the use of the method of acoustic emission and Kolmogorov-Sinai (K-S) metric entropy to determine the mechanical properties of composites. The tested materials were polyester-glass laminate without additives and with a 10% content of polyester-glass waste. The changes taking place in the composite material during loading were visualized using a piezoelectric sensor used in the acoustic emission method. Thanks to the analysis of the RMS parameter (root mean square of the acoustic emission signal), it is possible to determine the range of stresses at which significant changes occur in the material in terms of its use as a construction material. In the K-S entropy method, an important measuring tool is the extensometer, namely the displacement sensor built into it. The results obtained during the static tensile test with the use of an extensometer allow them to be used to calculate the K-S metric entropy. Many materials, including composite materials, do not have a yield point. In principle, there are no methods for determining the transition of a material from elastic to plastic phase. The authors showed that, with the use of a modern testing machine and very high-quality instrumentation to record measurement data using the Kolmogorov-Sinai (K-S) metric entropy method and the acoustic emission (AE) method, it is possible to determine the material transition from elastic to plastic phase. Determining the yield strength of composite materials is extremely important information when designing a structure.

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Development of Detailed FE Numerical Models for Assessing the Replacement of Metal with Composite Materials Applied to an Executive Aircraft Wing

Aerospace ◽

10.3390/aerospace8070178 ◽

2021 ◽

Vol 8 (7) ◽

pp. 178

Author(s):

Valerio Acanfora ◽

Roberto Petillo ◽

Salvatore Incognito ◽

Gerardo Mario Mirra ◽

Aniello Riccio

Keyword(s):

Composite Material ◽

Composite Materials ◽

Numerical Model ◽

Numerical Models ◽

Structural Performance ◽

Aircraft Wing ◽

Resin Infusion ◽

Effectiveness Analysis ◽

Liquid Resin Infusion ◽

Process Constraints

This work provides a feasibility and effectiveness analysis, through numerical investigation, of metal replacement of primary components with composite material for an executive aircraft wing. In particular, benefits and disadvantages of replacing metal, usually adopted to manufacture this structural component, with composite material are explored. To accomplish this task, a detailed FEM numerical model of the composite aircraft wing was deployed by taking into account process constraints related to Liquid Resin Infusion, which was selected as the preferred manufacturing technique to fabricate the wing. We obtained a geometric and material layup definition for the CFRP components of the wing, which demonstrated that the replacement of the metal elements with composite materials did not affect the structural performance and can guarantee a substantial advantage for the structure in terms of weight reduction when compared to the equivalent metallic configuration, even for existing executive wing configurations.

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Electrical Properties of Novel Lead Zirconate/Synthetic Rubber Composite Materials

Energy Research Journal ◽

10.3844/erjsp.2011.34.37 ◽

2011 ◽

Vol 2 (2) ◽

pp. 34-37

Author(s):

Keyword(s):

Composite Materials ◽

Electrical Properties ◽

Lead Zirconate ◽

Synthetic Rubber ◽

Rubber Composite

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Study on Mechanical Properties of the Composite Materials Film by Speckle Projection Method

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.496.281 ◽

2012 ◽

Vol 496 ◽

pp. 281-284

Author(s):

Wen Wen Liu ◽

Zhi Wang ◽

Yun Hai Du ◽

Xian Zhong Xu ◽

Da Quan Liu ◽

...

Keyword(s):

Mechanical Properties ◽

Composite Material ◽

Composite Materials ◽

Projection Method ◽

Dynamic Deformation ◽

Calibration Method ◽

Deformation Measurement ◽

Lens Distortion

An improved accurate speckle projection method is used for study the mechanical properties of the composite material film in the paper. A system for deformation measurement is developed with the telecentric lenses, in which such conventional lens’ disadvantages such as lens distortion and perspective error will be diminished. Experiments are performed to validate the availability and reliability of the calibration method. The system can also be used to measure the dynamic deformation and then results are also given.

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Stress Field of Semi-Infinite Interface Crack Tip of Double Dissimilar Orthotropic Composite Materials

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.97-101.1223 ◽

2010 ◽

Vol 97-101 ◽

pp. 1223-1226

Author(s):

Jun Lin Li ◽

Shao Qin Zhang

Keyword(s):

Composite Material ◽

Composite Materials ◽

Interface Crack ◽

Interfacial Crack ◽

Crack Tip ◽

Stress Fields ◽

Displacement Fields ◽

Orthotropic Composite ◽

Stress Functions ◽

Secular Equations

The problem of orthotropic composite materials semi-infinite interfacial crack was studied, by constructing new stress functions and employing the method of composite material complex. In the case that the secular equations’ discriminates the and theoretical solutions to the stress fields and the displacement fields near semi-infinite interface crack tip without oscillation and inter-embedding between the interfaces of the crack are obtained, a comparison with finite element example was done to verify the correction of theoretical solution.

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The Estimation of Thermal Conductivity for Alumina-Epoxy Composite Material with High Filling Volume Fraction

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.918.21 ◽

2014 ◽

Vol 918 ◽

pp. 21-26

Author(s):

Chen Kang Huang ◽

Yun Ching Leong

Keyword(s):

Thermal Conductivity ◽

Composite Material ◽

Composite Materials ◽

Physical Model ◽

Electron Scattering ◽

Volume Fraction ◽

Epoxy Composite ◽

The Matrix ◽

Transport Theorem ◽

Good Agreement

In this study, the transport theorem of phonons and electrons is utilized to create a model to predict the thermal conductivity of composite materials. By observing or assuming the dopant displacement in the matrix, a physical model between dopant and matrix can be built, and the composite material can be divided into several regions. In each region, the phonon or electron scattering caused by boundaries, impurities, or U-processes was taken into account to calculate the thermal conductivity. The model is then used to predict the composite thermal conductivity for several composite materials. It shows a pretty good agreement with previous studies in literatures. Based on the model, some discussions about dopant size and volume fraction are also made.

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