GRANULES OF A BRITTLE MATERIAL FOR VACUUM GRANULE INJECTION AT ROOM TEMPERATURE, AND METHOD FOR FORMING A COATING FILM USING SAME

Title:

GRANULES OF A BRITTLE MATERIAL FOR VACUUM GRANULE INJECTION AT ROOM TEMPERATURE, AND METHOD FOR FORMING A COATING FILM USING SAME

Document Type and Number:

WIPO Patent Application WO/2012/099350

Kind Code:

A2

Abstract:

The present invention relates to granules of a brittle material for vacuum granule injection at room temperature, and to a method for forming a coating film using same. Particularly, particulates having a size of 0.1 to 6 µm are granulated and a coating film may be formed through vacuum granule injection at room temperature using the granules. The granules of the brittle material according to exemplary embodiments may be used through the vacuum granule injection at room temperature and a coating process may be continuously performed. Since the granules injected through a nozzle have a relatively large mass and thus have a large amount of kinetic energy, the coating film may be formed at a low gas-flow rate, and the forming rate of the coating film may be increased. Therefore, the granules may be useful for forming a ceramic coating film. In addition, a coating film having a porosity of 10% or less and having a uniform and fine structure that does have non-uniformities such as cracks, large pores, or a lamellar structure may be formed using the method for forming the coating film according to the exemplary embodiments.

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Inventors:

PARK DONG SOO (KR)
KIM JONG-WOO (KR)
RYU JUNG HO (KR)
YOON WOON-HA (KR)
CHOI JONG JIN (KR)
HAHN BYUNG-DONG (KR)

Application Number:

PCT/KR2012/000086

Publication Date:

July 26, 2012

Filing Date:

January 04, 2012

Export Citation:

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Assignee:

KOREA MACH & MATERIALS INST (KR)
PARK DONG SOO (KR)
KIM JONG-WOO (KR)
RYU JUNG HO (KR)
YOON WOON-HA (KR)
CHOI JONG JIN (KR)
HAHN BYUNG-DONG (KR)

International Classes:

B01J2/00; B01J2/02; B05B7/14; C01B25/32; C23C24/04

Foreign References:

JP2009242942A	2009-10-22
KR20080071193A	2008-08-01
KR20060110352A	2006-10-24
KR20070008727A	2007-01-17

Attorney, Agent or Firm:

LEE, Won Hee (642-16 Yoksam-dong Kangnam-ku, Seoul 135-080, KR)

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