Views: 1 Author: Site Editor Publish Time: 2021-08-20 Origin: 碳纤维及其复合材料技术
Widely used
Although the first carbon fiber was patented in 1961, it took several years for carbon fiber composites to be commercialized. The use of carbon fiber has helped drive many applications in many industries, including aerospace, automotive, marine, and consumer products. In 1966, DuPont chemist Stephanie Kw olek invented the aramid aramid fiber Kevlar, which is strong enough to be used in advanced composite materials. Kevlar is famous for its bulletproof and stab-resistant body armor. New and improved resins have helped increase the demand for composite materials, especially in higher temperature ranges and corrosive applications. In the 1970s, the automotive market surpassed the marine market to become the largest composite market-and it still maintains this position to this day.
In the late 1970s and early 1980s, composite materials were first used in many infrastructure applications in Europe and Asia, including the world's first road bridge using reinforced composite materials and the first all-composite bridge deck. In the 1990s, Scotland's first all-composite pedestrian bridge was completed. The first FRP reinforced concrete bridge deck built in McKinleyville, West Virginia; the first all-composite automobile deck in Russell, Kansas. Many FRP composite pedestrian bridges have been installed in remote areas of U.S. states and national parks.
modern
Many industrial designers and engineers now specify composite materials for various components in manufacturing, construction, and transportation industries. FRP composite systems are used in thousands of installations worldwide to reinforce or reinforce reinforced concrete or masonry structures, from buildings and parking lots to transportation structures (such as bridge columns and decks). In the early 2000s, nanotechnology began to be used in commercial products. Carbon nanotubes play an important role in composite materials. Carbon nanotubes can be used as composite fibers in polymers to improve the mechanical, thermal and electrical properties of the bulk product.
Desktop. The rise of 3D printing in the 2010s brought the manufacturing industry into homes and small businesses, allowing users to bring any items that can be realized through CAD programs to them. He Materials is entering this field through the use of reinforced fibers for 3D printing projects. . Discontinuous fibers of carbon fiber or glass fiber are most commonly used to reinforce plastics in the 3D printing process in every market segment, including automobiles, aerospace, tools, medicine, and infrastructure. These reinforcement materials can provide the strength of composite materials in a shorter period of time with less material, and can be designed and prototyped from a desktop. In 2014, Mark Forged announced the development of the world's first carbon fiber 3D printer.
Look to the future
The composite material industry continues to develop. The use of FRP composites has changed the marine, automotive and aerospace markets. Many specific applications in infrastructure and chemical processing have undergone similar dramatic transformations. As the industry takes full advantage of the design flexibility, durability, low weight, corrosion resistance and other properties provided by composite materials, there is also a huge potential for similar technological transformations in the construction sector.
In 2015, the U.S. Department of Energy announced the establishment of the Advanced Composite Materials Manufacturing Innovation Institute, which is committed to making advanced composite materials cheaper, lower manufacturing energy consumption, and making composite materials easier to recycle. The development of new fibers and resins will help create more applications for composite materials. When composite materials meet the demand for stronger, lighter and environmentally friendly products, environmentally friendly resins will combine recycled plastics and bio-based polymers. Composite materials will continue to make the world a better place.
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