Studies on the behavior of glass fiber reinforced gypsum wall panels maganti janardhana1, a. Glass fibre the composites used today in the industry are made of glass fibers. Here, i have presented a list of physical and chemical properties of glass fiber. The properties of glass fibre reinforced cement composites grc containing alkaliresistant fibres of lengths 10 to 40 mm and volume fractions 2 to 8% have been studied. Hence, it is more common to use glass fiber reinforced polymer composites in the interior of an airplane rather than in.
They exhibit useful bulk properties such as hardness, transparency, resistance to chemical attack, stability, and inertness, as well as desirable. Fibre reinforced polyester composites 7 about the same as the lower grades of the carbon fiber. Although glass fibers can even be made from strong. Glass fiber reinforced composites are used to make aircraft parts such as wings, helicopter rotor blades, engine ducts, etc. Although strength properties are somewhat lower than carbon fiber. Mechanical behavior of carbon and glass fiber reinforced. Mechanical behavior of carbon and glass fiber reinforced composite materials under varying loading rates.
Glass fiber or glass fibre is a material consisting of numerous extremely fine fibers of glass. Modifiers have been used to identify a specific fiber such as glass fiber reinforced polymer gfrp. Glass is a solid, brittle and usually transparent material, explains howstuffworks. Properties and applications offiber reinforced concrete faisal fouad wafa associate professor, civil engineering department, faculty ofengineering, king abdulaziz university, jeddah, saudi arabia. Glass fiber is a material made up of several fine fibers of glass. From ae results the effect of fibre length on fracture process was clarified. Other properties, such as dielectric constant, dissipation factor, dielectric strength, volumesurface resistivities, and thermal expansion, are measured on glass that has been. Although strength properties are somewhat lower than carbon fiber and it is less stiff, the material is typically far less brittle, and the raw materials are much less expensive. Glass fibres manufacturing, properties and applications. According to the use of the fiberglass, the glass fibers. Madanapalle institute of technology and science, madanapalle, ap, india. Properties and applications offiber reinforced concrete. Pdf effect of chain structure on the properties of glass.
Fiber reinforced concrete frc is a new structural material which is gaining increasing importance. Pdf inplane shear properties of glass fiber composite. Hdpe were used to investigate the effect of chain branching on the dispersion and adhesion in glass fibre reinforced polymer composites. These were 4 to 5 times the bending strength, 3 to 4 times the tensile strength and 15 to 20 times the impact strength of the. Fiber glass is a lightweight, strong, and robust material used in different industries due to their excellent properties. I think this will help you to identify glass fiber from other fibers.
Meher prasad2 and devdas menon2 abstract glass fiber reinforced gypsum gfrg wall panel is made essentially of gypsum plaster reinforced with glass fibers. The present project works aims to prepare e glass fiber based composite with percentage variation of glass fiber content like 1%, 2% and 3% with using a bisphenol a as matrix material and conducting the. Fiber glass composite materials exhibit significant reduction in the weight than the composites made of steel or timber. Glass fiber composite holds good properties such as low density, high strength, and easy processing, so widely used in aerospace, automotive, and construction. Master of science in engineering mechanical engineering in the university of michigandearborn. The newly developed composites are characterized for their mechanical properties. It is amorphous, which means it is not made of crystals.
There are a lot of methods used to measure these important properties among of them 45 tensile inplane shear. It is material made from extremely fine fibers of glass fiberglass is a lightweight, extremely strong, and robust material. Experiments like tensile test, three point bending and impact test were conducted to find the significant influence. Commercial aralkali resistant glass fiber has a good chemical resistant property, but also has a problem of difficulty in fiberizing process because of high viscosity in melted glass compare with eglass fiber which is the most widely used for reinforced fiber of composite materials. Other highstrength highmodulus fibers such as boron are at the present time considered to be economically prohibitive. Mechanical properties of glass fibre reinforced polymer. Pdf performance and properties of glass fiber and its. The panels are hollow and can be used as load bearing walls. The hybrid composites were developed by varying the reinforcements from 15%, 30%, 45% and 60% of glass fiber and carbon fiber in 40% epoxy matrix under vacuum bag process.
Introduction to glass technology 1 overview of glass properties glass engineering 150. Studies on mechanical properties of juteeglass fiber. Glass fiber or glass fibre is a material consisting of numerous extremely fine fibers of glass glassmakers throughout history have experimented with glass fibers, but mass manufacture of glass fiber was only made possible with the invention of finer machine tooling. Pdf this work focuses on the study of mechanical and structural properties of glass fiberreinforced polypropylene ppgf composites.
Likitha thimmaraju girijadevi, tensile, flexural and impact properties of glass fibre reinforced polymer matrix composites, international journal of mechanical. S2 glassfeatures benefits s2 glassfiber offers significantly more strength than consistent high performance for reliable and durable conventional glass fiber. Evaluation of free vibrational properties of glass fiber iso resin bars. Increase in the fiber contents and fiber length results in improving the impact strength and tensile strength but lowers the process ability of the composite. Composites are similar to reinforced concrete where the rebar is embedded in an isotropic matrix called concrete. Dgeba is a commonly used epoxy for both eglass and carbon graphite fibers.
It has comparable mechanical properties to other fibers such as polymers and carbon fiber. This publication is being made available in pdf format as a benefit to members and. Further they possess good electrical properties, resistance to moisture and outdoor weathering and resistance to heat and chemicals. The coefficient of thermal expansion of e glass is very low. The 2 basic types of glass fiber products, textile and wool, are manufactured by similar. Glass fiber composite is a type of fiber reinforced polymer composites. Investigation on mechanical properties of glass fiber. Shear properties of glass fiber composite material is of great important in specifying the elastic constants of such orthotropic material. Dgeba is a commonly used epoxy for both e glass and carbon graphite fibers. Mechanical properties of glass fiber reinforced polymers members. The product is one of the most versatile industrial materials known today. Since the thermal conductivity of dgeba is so low the conductivity of the fiber has a very important influence on the thermal properties of the composites containing epoxy matrix.
Anticrack hd is an engineered alkaliresistant ar glass fiber designed to reduce plastic shrinkage cracking in concrete and mortars. The coefficient of thermal expansion of eglass is very low. Properties of glass fibre cement the effect of fibre. Table 1 glass fiber properties 1 material alkali resistant glass 2 design monofilament fiber 3 diameter 14 microns 4 specific gravity 2.
The chemical composition of glass fiber is important to decide because it depends on the final product properties. Everything you ever wanted to know about fiberglass. The utility of high strength glass fiber compositions are compared by physical, mechanical, electrical, thermal, and optical properties. Pdf mechanical and structural properties of glass fiber. This study dealt with effect of fibre length on tensile and ae properties of glass fibre filled pp. Testing and analysis of mechanical properties of e glass. Mechanical properties of glass fiber reinforced concrete. We give a brief history of the glass fiber industry before describing the fundamental thermodynamic and atomistic concepts of glass formation. Presently very limited work has been done on the mechanical properties of chopped strand mat of e glass fiber reinforced composites. Short or long fibre filled pps were moulded and tensile test was conducted with ae monitoring by dual transducers with resonant frequency of 140khz and 1mhz. Evaluation of free vibrational properties of glass fiber. Strength properties of steel fibre and glass fibre composites preetha v 1, belarmin xavier 2, k p narayanan 3 1m. Mechanical properties have been generated on e2931581 fiberglassepoxy composite and several different adhesive systems.
The glass fiber is usually flattened into a sheet, randomly arranged or woven into a fabric. Glass fibers the glass fibers are divided into three main classes e glass, s glass and c glass. Pdf performance and properties of glass fiber and its utilization in. Pdf glass fibres manufacturing, properties and applications.
Glass fibre glass the glass derived from the latin word glesum means transparent, lustrous substance. The present work describes the development and mechanical characterization of new polymer composites consisting of glass fibre reinforcement, epoxy resin and filler materials such as tio2 and zns. Sufficient detail is given to enable the manufacture, structure, and properties to be described. The fiber manufacturer can use such interdependencies to control the performance characteristics of fibers produced. The fiberforming process is affected by the constitution and properties of the glass melt.
Fiberglass types, properties, and applications phelps industrial. The properties of aralkali resistantglass fiber by. The glass fiber composites strengthweight ratios are higher than those of most other materials and their impact resistance is phenomenal. Pdf properties of glass fibre reinforced geopolymer. Others include thomason and vlug 5, who investigated the influence of fibre length and concentration on the mechanical properties of glass fibre reinforced polypropylene, produced inan injector mould system. Several panels having adhesive joints were also supplied having the e293 eglass fabric composite laminates bonded. The influence of filament diameter, over the range 9 26 microns, and size chemistry on composite mechanical performance is described, in epoxy and vinylpolyester resins. Glass fiber properties glass fiber properties, such as tensile strength, youngs modulus, and chemical durability, are measured on the fibers directly. The structure and properties of glass fibers sciencedirect.
With 14 the weight of steel rebar, this product exceeds the requirements of astm d7957 standard specifications for solid round glass fiber reinforced polymer bars for concrete reinforcing. Alkaliresistant glass fibre of 12 mm length was used. Glass fiber physical and chemical properties of glass. Mechanical properties of glass fiber reinforced polymers. Aslan 100 fiberglass rebar is made using a vinyl ester resin matrix with ecr glass fibers. The properties of glass can be varied by changing the materials used in its manufacture and the proportions in which they are used. Introduction to glass technology 1 the mechanical properties of glass theoretical strength, practical strength, fatigue, flaws, toughness, chemical processes glass engineering 150. Glass fiber reinforced polymers gfrp is a fiber reinforced polymer made of a plastic matrix reinforced by fine fibers of glass. At 28 days the optimum properties of the composite were achieved with 6 vol % fibre addition. Pdf mechanical property of glass fiber reinforcement. In fiber glass products the resin or matrix transfers the shear and the glass fibers resist the tensile and compressive loads. Many terms have been used to define frp composites. Glass fiber has roughly comparable mechanical properties to other fibers such as. Glass fiber reinforced polymer gfrp is a fiber reinforced polymer made of a plastic matrix reinforced by fine fibers of glass.
Table 2 physical and mechanical properties of commercial glass fibers. Fabrication of glass fiber composite has been discussed. Mechanical behaviour of glass and carbon fibre reinforced. Gfrp is a category of plastic composite that specifically uses glass fiber materials to mechanically improve the strength and stiffness of plastics11.
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