BORIDE HAVING CHEMICAL COMPOSITION NA-SI-B, AND POLYCRYSTALLINE REACTION SINTERED PRODUCT OF BORIDE AND PROCESS FOR PRODUCTION THEREOF

Title:

BORIDE HAVING CHEMICAL COMPOSITION NA-SI-B, AND POLYCRYSTALLINE REACTION SINTERED PRODUCT OF BORIDE AND PROCESS FOR PRODUCTION THEREOF

Document Type and Number:

WIPO Patent Application WO/2012/023568

Kind Code:

A1

Abstract:

Provided are: a novel boride which is useful as a highly functional material; and a novel process for producing a polycrystalline sintered product of a boride, which requires reduced energy cost, does not require the use of any sintering aid, enables the molding into a complicated shape, and also enables the production of a multi-component boride. A boride having a chemical composition Na-Si-B, and a polycrystalline reaction sintered product of the boride, wherein a mixed molded article comprising boron and an element M (wherein M represents Si and/or C) is heated together with metal sodium to produce the polycrystalline reaction sintered product.

Inventors:

MORITO Haruhiko (C/O TOHOKU UNIVERSITY, 1-1 Katahira 2-chome, Aoba-ku, Sendai-sh, Miyagi 77, 〒9808577, JP)
森戸　春彦 (〒77 宮城県仙台市青葉区片平二丁目１番１号　国立大学法人東北大学内 Miyagi, 〒9808577, JP)

Application Number:

JP2011/068619

Publication Date:

February 23, 2012

Filing Date:

August 17, 2011

Export Citation:

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Assignee:

TOHOKU UNIVERSITY (1-1 Katahira 2-chome, Aoba-ku Sendai-sh, Miyagi 77, 〒9808577, JP)
国立大学法人東北大学 (〒77 宮城県仙台市青葉区片平二丁目１番１号 Miyagi, 〒9808577, JP)
MORITO Haruhiko (C/O TOHOKU UNIVERSITY, 1-1 Katahira 2-chome, Aoba-ku, Sendai-sh, Miyagi 77, 〒9808577, JP)

International Classes:

C01B35/04; C04B35/58; C30B29/10

Attorney, Agent or Firm:

NISHIZAWA Toshio (Kudan-Horie Bldg. 6F, 3-14 Kudan-kita 4-chome, Chiyoda-k, Tokyo 73, 〒1020073, JP)

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