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High temperature resistance-the "golden key" for carbon fiber composites to open new applications

High temperature resistance-the "golden key" for carbon fiber composites to open new applications

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  • Time of issue:2021-06-30
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(Summary description)At the first anniversary of the countdown to the 2022 Beijing Winter Olympics, a carbon fiber torch is eye-catching. The torch shell of the Beijing Winter Olympics and Paralympics named "Flying" uses high-temperature carbon fiber materials. The torch combustor is also mainly made of carbon fiber.

High temperature resistance-the "golden key" for carbon fiber composites to open new applications

(Summary description)At the first anniversary of the countdown to the 2022 Beijing Winter Olympics, a carbon fiber torch is eye-catching. The torch shell of the Beijing Winter Olympics and Paralympics named "Flying" uses high-temperature carbon fiber materials. The torch combustor is also mainly made of carbon fiber.

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2021-06-30
  • Views:
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At the first anniversary of the countdown to the 2022 Beijing Winter Olympics, a carbon fiber torch is eye-catching. The torch shell of the Beijing Winter Olympics and Paralympics named "Flying" uses high-temperature carbon fiber materials. The torch combustor is also mainly made of carbon fiber.

According to the organizer's staff, this torch perfectly interprets the characteristics of "lightness, solidity and beauty". First, the carbon fiber composite material is at least one-fifth lighter than the aluminum alloy of the same volume, which can reduce the burden on the torchbearer; secondly, because the carbon fiber composite material has the characteristics of high strength, corrosion resistance, fatigue resistance, and long service life. It is more "sturdy" and reliable than metal torches. Moreover, carbon fiber composite materials have a variety of application forms, and the material placement is designable. This torch uses three-dimensional weaving molding technology to form a beautiful whole with complex shapes. It is worth mentioning that this material also enables this torch to withstand hydrogen combustion temperatures higher than 800°C.

As the performance advantages of carbon fiber composite materials have received more and more attention, different industries have put forward higher application requirements for them. For example, transportation vehicles such as aviation aircraft, rail transit, and automobile manufacturing urgently need to replace traditional metals with carbon fiber composite materials to achieve the goals of lightweight, low-carbon and environmental protection. For another example, industrial machinery and equipment are also actively using the special advantages of carbon fiber composite materials to achieve industrial upgrades with high efficiency and low energy consumption. However, ordinary epoxy resin-based carbon fiber composite materials cannot withstand excessively high operating temperatures, which is also a bottleneck for the application of carbon fiber composite materials in many specific industries.

To this end, the "high temperature resistance" and "flame retardancy" of carbon fiber composite materials are regarded as key research and development topics. Through close cooperation with resin manufacturers and university research and development teams, on the one hand, the High temperature" and "flame retardant" solvents, supplemented by special preparation methods, enable parts and components made of this type of carbon fiber composite material to be used normally in a working environment higher than 300 ℃, with enhanced resistance High-temperature carbon fiber composite materials can even withstand short-term high-temperature operations as high as 1000°C, which can meet the specific needs of special industries such as aerospace and military industries. On the other hand, it has also invested a lot of capital and scientific research strength to overcome the melting problem between high-performance thermoplastic resin matrix and continuous carbon fiber, using high-performance engineering plastics such as PPS, PEEK, PA6 as the matrix to absorb reinforcement and The two advantages of the resin matrix form a thermoplastic carbon fiber composite material with stronger "high temperature resistance" and "wear resistance" performance, which provides new material options for industrial development and equipment upgrades.

Of course, the charm and advantage of composite materials lies in their endless variability and designability. Regarding high-temperature carbon fiber composite materials, the composition and proportion of composite materials must be adjusted according to the actual needs of customers and the specific application environment. In the molding and manufacturing process of the product, any detailed technical parameter may have an important impact on the performance of the finished product. Therefore, "high temperature resistance" is by no means a simple performance feature, it is just one of the prerequisites for carbon fiber composite materials to move toward a broader application field.

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