The University of Virginia's School of Engineering and Applied Science has taken a major step forward in ultra-high-temperature ceramics (UHTCs) research with the development of a cutting-edge electromagnetic levitation (EML) system. Funded by a Defense University Research Instrumentation Program (DURIP) grant, this innovative facility will enable researchers to study UHTCs in both their solid and molten states, paving the way for groundbreaking discoveries and advancements in materials science.
The University of Virginia (UVA) School of Engineering and Applied Science is making significant strides in ultra-high-temperature ceramics (UHTCs) research with the establishment of a groundbreaking electromagnetic levitation (EML) system. Funded by a Defense University Research Instrumentation Program (DURIP) grant, this state-of-the-art facility will enable the study of UHTCs in both their solid and molten states, according to a press release.
UHTCs are a class of ceramics renowned for their exceptional ability to withstand temperatures exceeding 3,600 degrees Fahrenheit (2,000 degrees Celsius) without degradation, while also exhibiting high thermal conductivities. These remarkable materials find applications in a wide range of demanding environments, from spacecraft heat shields to nuclear reactors, hypersonic aircraft to furnaces.Despite their numerous advantages, UHTCs present a significant challenge due to their inherent brittleness, making conventional shaping methods like machining unsuitable. To overcome this limitation, researchers have been intensifying their efforts to unravel the intricacies of UHTC chemical structures, and the advanced EML system is poised to significantly accelerate these investigations.The EML system addresses a key challenge in UHTC research: chemical contamination at extreme temperatures. The researchers opted for a container-less design, eliminating the risk of contamination. They integrated induction and laser heating techniques to ensure no direct contact between the materials and the containment vessel, even at temperatures exceeding 3,600 degrees Fahrenheit. This meticulous design ensures precise measurements even in the most extreme conditions. To further expand the scope of research, the EML system can simulate diverse reaction conditions, from a vacuum to an extremely high-pressure atmosphere. Under these extreme conditions, researchers can meticulously investigate properties such as thermal expansion, melting point, and surface tension, gathering invaluable data for applications like hypersonic flight and high-temperature manufacturing
Ultra-High-Temperature Ceramics Electromagnetic Levitation Materials Science Research University Of Virginia
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