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LANZHOU, Feb. 27 (Xinhua) -- Researchers have developed a new type of ceramic aerogel which can be used in thermal insulation.The new ceramic aerogel, developed by Chinese and American researchers, has strong mechanical and thermal stability, as well as excellent performance in transformation and toughness.Aerogels, made of ceramics, carbon, or metal oxide, have a robust structure, said Zhang Qiangqiang, a professor at Lanzhou University in northwest China's Gansu Province.Previous ceramic aerogels were plagued by poor mechanical stability and degradation under thermal shock. The new material is considered an ideal thermal insulation material due to its low density, low thermal conductivity, and fire resistance.The new aerogel maintained great mechanical stability throughout hundreds of se...
发布时间: 2019 - 02 - 28
浏览次数:2
Researchers have developed a ceramic-based mechanical pump able to operate at record temperatures of more than 1,400 degrees Celsius (1,673 Kelvin), opening the door to a new generation of energy conversion and storage systems.
发布时间: 2019 - 01 - 08
浏览次数:112
Printing complex ceramic objects has been made possible thanks to the invention of a new ink.
发布时间: 2019 - 01 - 02
浏览次数:113
Scientists of the Far Eastern Federal University (FEFU) and the Russian Academy of Sciences (RAS) have designed a new, high-strength ceramic material that can withstand prolonged exposure to supersonic airflow at temperatures above 2600°C.
发布时间: 2018 - 12 - 25
浏览次数:112
3D printing and other additive production techniques make it possible to manufacture materials with internal structures of previously unimaginable complexity. This is interesting for lightweight construction, too, as it enables the development of materials that have the highest possible share of interior voids (to make the materials as light as possible) but are simultaneously as robust as possible. Achieving this requires that the internal structures be intelligently organised for maximum efficiency.
发布时间: 2018 - 12 - 17
浏览次数:112
Research group, consisting of scientists from Central Metallurgical R&D Institute (Cairo) and National University of Science and Technology MISIS (Moscow) have developed a composite material that can extend the durability of solar towers - stations that collect thermal energy of the Sun - from 2-3 to 5 years. The article on the research is published in Renewable Energy.
发布时间: 2018 - 12 - 11
浏览次数:108
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