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Engineers at the University of California, San Diego have developed a process for welding ceramics that could have wide-ranging implications for the hardiness and construction of electronics.According to a paper published in Science on August 23rd,, UC-San Diego researchers have used a sub-50-watt, rapidly-pulsing laser to melt and fuse ceramics, upending traditional ceramics welding methods by dramatically lowering the temperature at which the material binds.Traditionally, ceramics have been difficult to weld because they require immense amounts of heat to make them malleable enough to fuse. While heating ceramics to these temperatures isn’t difficult, cooling them uniformly has been challenging—if a ceramic material cools in uneven conditions, it’s susceptible to cracking, spli...
发布时间: 2019 - 09 - 11
浏览次数:245
The electronics market is growing constantly and so is the demand for increasingly compact and efficient power electronic systems. The predominant electronic components based on silicon will in the foreseeable future no longer be able to meet the increasing industrial requirements. This is why scientists from the university of Freiburg, the Sustainability Center Freiburg and the Fraunhofer-Gesellschaft have joined forces in order to explore a new material structure that may be better suited for future power electronics.
发布时间: 2019 - 02 - 12
浏览次数:145
Riccardo Comin seeks to elucidate the microscopic physics of high-temperature superconducting devices to advance their technological applications, writes Denis Paiste
发布时间: 2019 - 01 - 21
浏览次数:137
Open-cell materials, such as metal and ceramic foams, have been extensively utilized in high-temperature applications due to their light weight, good flow-mixing capability, and ability to cover a large surface area. They are commonly composed of interconnected solid struts and accessible void spaces
发布时间: 2019 - 01 - 14
浏览次数:164
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:166
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:165
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