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AssigneeQilu University of Technology
InventorsMingdong Yi, Gang Xue, Wenjie Liu, Kaining Liu, Wen Zhang, Yuchen Xu, Chenyang Yi, Chonghai Xu
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An ultra-fast sintering method and a sintering system for preparing nano-ceramics by ultrasonic-assisted pressurization and high-frequency induction, it belongs to the technical field of nano-ceramics sintering; this method mainly aims at the problem that nano-ceramics are easy to grow during sintering, and develops an ultrasonic-assisted pressurized coupled high-frequency induction sintering system to prepare nano-ceramic materials; in the process of sintering, ultrasonic wave is used to form high frequency, alternating impact and cavitation on nano-ceramic particles, which can quickly exhaust the gas between particles and inhibit the agglomeration of nano-ceramic particles; on the other hand, the rapid sintering of nano-ceramics is realized by using the principle of high-frequency induction to instantaneously heat the graphite mold and generate a lot of heat.
An ultra-fast sintering system for preparing nano-ceramics by ultrasonic-assisted pressurized coupling high-frequency induction comprising a high-frequency induction heating system, a hydraulic lifting system and an ultrasonic vibration system;
An ultrasound-assisted pressure coupling high frequency induction system for preparing nano-ceramics comprising a working platform that is a cylindrical hollow structure, the hollow structure is used to place an amplitude rod, the upper part of the working platform is provided with a groove, the graphite mold is placed in the groove, and the groove and the graphite mold are interstitial coordination which limits the transverse displacement of the graphite mold during the pressing process.
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