The key components of the "escorted" hypersonic vehicle will have reliable new materials. On the 21st, the reporter learned from the Research Institute of Powder Metallurgy at Central South University that the Huang Boyun team of the academician of the Chinese Academy of Engineering of the State Key Laboratory of Powder Metallurgy has developed a new type of ceramic coating and composite material that can withstand 3000°C ablation and has excellent resistance. Ablation and thermal shock resistance have caused widespread international attention. The results were published in Nature News.
The minimum speed of the hypersonic vehicle is 6,120 kilometers. "At this speed, it will take about two hours to fly from Beijing to London." The team professor Xiong Xiang said that at such high speeds, critical structural components of the aircraft, such as aircraft nose cones and wing leading edges, are subject to severe air friction and Up to 2000 °C -3000 °C hot air impact without being destroyed. "Our newly synthesized ultra-high temperature ceramic coatings and their composites provide better protection for these components."
Xiong Xiang said that the new ceramic coating modified carbon/carbon composite material consists of a quaternary boron-containing single-phase carbide consisting of zirconium, titanium, carbon, and boron elements, with a stable carbide crystal structure, mainly through infiltration. In the process, a multi-ceramic phase was introduced into a porous carbon/carbon composite. This ultra-high temperature ceramic combines the high temperature adaptability of carbides and the oxidation resistance of boride, giving it excellent ablation resistance and thermal shock resistance.
It is reported that this is the first time in the world to synthesize the quaternary boron-containing carbide single-phase super-high-temperature ceramic material and make a coating, which is a perfect "fusion" of carbon-carbon material. In the current field of new materials, the mainstream is the study of binary compound system mixed materials. (Reporter Yu Huiyou)
Measuring spoons are also becoming more and more popular in cooking.Compared with the single Measuring Spoon, the Measuring spoon suit can better satisfy our cooking needs.We are the wholeseller and manufacturer of measuring plastic spoon, Silicone Measuring Spoons and Stainless Steel Measuring Spoon. So our cost is very competive. Our product can pass FDA and LFGB . You can rest assured that the use of our products. Measuring spoons set applie to all kinds of cooking way. If necessary , please feel free to contact us .
Measuring Spoon
Measuring Spoon,Stainless Steel Measuring Spoon,Measuring Spoons Setspoon,Silicone Measuring Spoons
YangJiang Victory Kitchenware Products Co.,LTD. , https://www.victory-kitchenware.com