The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2025
Filed:
Nov. 12, 2019
Kunming University of Science and Technology, Yunnan, CN;
Jing Feng, Yunnan, CN;
Yunxuan Zhou, Yunnan, CN;
Xiaoyu Chong, Yunnan, CN;
Peng Wu, Yunnan, CN;
Lin Chen, Yunnan, CN;
Jun Wang, Yunnan, CN;
Kunming University of Science and Technology, Kunming, CN;
Abstract
The present disclosure provides a high-entropy rare earth-toughened tantalate ceramic. The ceramic is prepared by sintering TaOpowder and x types of different REOpowder, 4≤x≤9, and the molar ratio of the REOpowders is 1. REOpowder and TaOpowder having the molar ratio of RE to Ta being 1:1 are weighed, a solvent is added for mixing, and ball milling is performed by a ball mill to obtain mixed powder M; the powder M is dried at a temperature of 650-850° C. for 1.5-2 h to obtain dried powder; the powder is sieved to obtain powder N, the powder N is placed in a mold for first pressing to obtain a rough blank, and the rough blank is then pressed for the second time to obtain a compact blank; the compact blank is sintered to obtain the high-entropy rare earth-toughened tantalate ceramic.