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Views: 2 Author: Site Editor Publish Time: 2021-07-13 Origin: Site
You don't try to finely trim a bonsai tree with a chainsaw, even if it's fun to watch. Obviously, in many areas, choosing the right tools is the key to success. In the composite industry, customers usually require the use of carbon fiber, but in fact, glass fiber is more suitable for their needs of high-performance materials.
Carbon fiber is usually regarded as the material of the future. When people think of carbon fiber, they might imagine sports cars with doors that open vertically. For most composite manufacturers, carbon fiber is the material that makes customers and their design engineers interested in composite materials, and then they realize that other composite materials such as glass fiber are more suitable for their projects.
Sports cars, road bikes and professional tennis rackets are all made of carbon fiber. This is because these applications require materials with low density and high ultimate tensile strength to maximize weight advantage. However, this does not mean that carbon fiber is the ideal choice for every application.
In many cases, when customers are looking for carbon fiber, the most suitable material for their needs is glass fiber. In fact, it can be said that glass fiber is the first high-performance material in history, and its concept can be traced back to before the Second World War. Fiberglass has proven its use over and over again, from door or window frame profiles to telescopic rods, in automotive applications to railway joints and Telecommunications radomes. If you think fiberglass is dedicated to making rowboats, it may be time to rethink the other goals it can achieve.
Glass fiber has very good ultimate tensile strength, higher than most metals. It is an excellent insulator with a very low coefficient of thermal expansion and corrosion and weather resistance. For example, the ITER fusion reactor developed by 35 partner countries is a tokamak type fusion reactor, which uses glass fiber composite precompression rings (PCR) to hold the reactors together.
ITER fusion reactor uses PCR to absorb the deformation and fatigue of the magnet with fixed plasma, which heats the plasma to 150 million ° C. Glass fiber was selected as PCR reaction material because of its high mechanical properties.
Glass fiber has stood the test of time. Since its use in the early days of World War II, this material has not been replaced by a better substitute. This is largely due to the mechanical properties of the material as well as its competitive cost and design flexibility.
Exel composites offers a range of pultruded and wound composite solutions. It produces many carbon fiber products as well as glass fiber and hybrid fiber, using both carbon fiber and glass fiber.
Determining the best material selection requires a clear understanding of the required applications and product specifications, and the company first works with customers to develop mutual understanding. Based on this understanding, composite suppliers should use their material science expertise to design the end user's ideal composite products. The cost should be included in the discussion, especially since the cost of carbon fiber raw materials is higher than that of glass fiber.
Custom composites can range from specific fiber blends to impart certain properties, to managing fiber alignment and resin formulation. For example, fiberglass tubes may require additional reinforcement along one side of the geometry. In this case, carbon fiber can be strategically integrated into the tube together with glass fiber during manufacturing, so as to create a solid hybrid structure that can meet the design requirements and consider cost optimization.
Whether you're pruning bonsai trees or upgrading infrastructure, it's important to have the right tools. While the use of a chainsaw or carbon fiber may seem more attractive, a low-key option may sometimes be a better option to solve the current task.
