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I believe that everyone knows about the ceramic version of Apple Watch. The high elasticity, corrosion resistance, wear resistance, and impact resistance of ceramic materials not only can better protect Apple Watch, but also improve the accuracy of the sensor. Ceramic materials are now being tapped by various industries, and their development is bright. According to the "Daily Mail", scientists have created a new type of ceramic coating that can withstand air friction and withstand temperatures of up to 3,000 degrees Celsius. This coating could pave the way for the development of supersonic aircraft.
Scientists from the University of Manchester, UK, and Central South University in China have collaborated to screen this carbide ceramic coating after various experiments. The coating is a composite of carbon, zirconium, titanium and boron. It has better resistance to high temperature than any existing carbon coating. The coating can withstand temperatures up to 5400 degrees Fahrenheit (about 3000 degrees Celsius). Scientists believe this material is suitable for use in supersonic aircraft.
The current difficulty in the research of supersonic aircraft is how to protect key parts from being damaged by frictional heat. With respect to supersonic aircraft, manufacturers want it to be able to fly five times faster than the speed of sound, ie at a speed of at least 6,200 kilometers per hour, which means that it takes only two hours to fly from London to New York. Some supersonic projects even have to achieve the purpose of the space shuttle. After taking off into the high-altitude vacuum area, they will fall back to the ground. This speed will cause the friction between the air and the body to produce high temperatures of 2,000 to 3,000 degrees Celsius. The new ceramic coating can withstand these high temperatures without damaging the body.
This technology is favored by Boeing, which plans to achieve the smooth operation of supersonic passenger aircraft within ten years. Virgin Galactic and NASA NASA also have plans to develop supersonic aircraft. Their supersonic aircraft will probably be the first flight test in 2021. Although seeing supersonic passenger aircraft is still far away from our lives, the discovery of heat-resistant materials will undoubtedly pave the way for this technology and will make the project study more smoothly.
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