Preparation method of high density MgB2 superconduction block material

Original document(7 pages) 中文版

This invention relates to a preparation method for a high density MgB₂ super-conduction block including: grinding powders of Mg and B and sealing them in a Ta foil to be put in a heating tube to rise the temperature to 650-950deg.C for 0.5-10 hours to be sintered for the first time to produce MgB₂ super-conduction material to be ground to powders of 2-3mum then to be mixed and sintered for the second time to get the high density MgB₂ super conduction material with fine particles, large grain boundary area and ideal connection without micro-crack.

Application Number 申请号	200510111916	Application Date 申请日	2005.12.23
Title 名称	Preparation method of high density MgB2 superconduction block material
Publication Number 公开号	1794365	Publication Date 公开日	2006.06.28
Approval Pub. Date		Granted Pub. Date
International Classification 分类号	H01B12/00,H01B13/00,H01L39/24
Applicant(s) Name 申请人	Shanghai Univ.
Address 地址	200444
Inventor(s) Name 发明人	Li Wenxian Zhu Mingyuan, Li Ying, Jin Hongming
Attorney & Agent 代理人	he wenxin

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