Zone: Glass Fiber
Most Recent Content in this Zone:
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The making of glass fiber
3/25/2009 Composites Technology - The old art behind this industry’s first fiber reinforcement is explained,with insights into new fiber science and future developments.
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Composites: Materials and processes
1/8/2009 Composites Technology - High strength and low weight remain the winning combination that propels composite materials into new arenas, but other properties —vibrational damping and low coefficient of thermal expansion (CTE), fatigue resistance are jsut as appealing. Moreover, the potential for significant parts consolidation provides design/fabrication flexibility that can translate into a finished product that requires less raw material, fewer joints and fasteners and shorter assembly time.
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The fiber
1/8/2009 Composites Technology - The structural properties of composite materials are derived primarily from the fiber reinforcement. In a composite, the fiber contributes high tensile strength, enhancing properites in the final part, such as stregnth and stiffness while minimizing weight.
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Fiber reinforcement forms
1/8/2009 Composites Technology - Fibers used to reinforce composites are supplied directly by fiber manufacturers and indirectly by converters in a number of different forms, which vary depending on the application.
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Sizing Up Fiber Sizings
4/1/2006 Composites Technology - What glass fiber users need to know about sizings, and how new sizing developments are enhancing the performance of glass-reinforced composites.
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Overview Of:
Glass Fiber
The vast majority of all fibers used in the composites industry are glass. Glass fibers are the oldest and, by far, the most common reinforcement used in nonaerospace applications to replace heavier metal parts. Glass weighs more than carbon, but also is more impact-resistant. Depending upon the glass type, filament diameter, sizing chemistry and fiber form, a wide range of properties and performance levels can be achieved. Glass filaments are supplied in bundles called strands. A strand is a collection of continuous glass filaments. Roving generally refers to a bundle of untwisted strands, packaged like thread on a large spool. Single-end roving consists of strands containing continuous, multiple glass filaments that run the length of the strand. Multiple-end roving contains lengthy but not entirely continuous strands, which are added or dropped in a staggered arrangement during the spooling process. Yarns are collections of strands that are twisted together. Electrical or E-glass, so named because its chemical composition makes it an excellent electrical insulator, is particularly well suited to applications in which radio-signal transparency is desired, such as aircraft radomes, antennae and computer circuit boards. When greater strength is desired, high-strength glass, first developed for military applications in the 1960s, is an option. It is variously known as S-glass in the U.S., R-glass in Europe and T-glass in Japan.
Product Announcements
- UV-curable glass fiber prepregs
- Australian Composites 11/9/2009
- LFT glass fiber roving
- PPG Industries Inc. 10/29/2009
- Long-fiber-reinforced thermoplastic
- Ticona 9/10/2009
- Natural fibers, thermoplastic resin/fiber, long fibers target new applications
- SABIC Innovative Plastics 9/1/2009
- Glass roving for wind energy applications
- PPG Industries Inc. 8/27/2009
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