Title:
METHOD FOR MANUFACTURING SPHERICAL METAL POWDER
Document Type and Number:
WIPO Patent Application WO/2023/128182
Kind Code:
A1
Abstract:
An embodiment of the present invention provides a method for manufacturing spherical metal powder, comprising the steps of: (a) forming a slurry by mixing ultra-fine raw metal with a binder and a solvent; (b) forming granular powders by granulating the slurry through spray drying; (c) adding a separating agent to prevent sintering between the granular powders; (d) forming spherical metal powder by continuously degreasing and sintering the granular powders; (e) adding a deoxidizer for high purity of the sintered spherical metal powder to carry out deoxidation treatment; and (f) removing the separating agent and an oxide from the deoxidized spherical metal powder.
Inventors:
AHN SOON TAE (KR)
LEE SU IN (KR)
SON KUN SU (KR)
LEE SU IN (KR)
SON KUN SU (KR)
Application Number:
PCT/KR2022/016044
Publication Date:
July 06, 2023
Filing Date:
October 20, 2022
Export Citation:
Assignee:
SAMHWA STEEL INC (KR)
International Classes:
B22F9/08; B22F1/065; B22F3/10
Foreign References:
| KR20170007359A | 2017-01-18 | |||
| KR20180102691A | 2018-09-17 | |||
| KR101275054B1 | 2013-06-17 | |||
| KR100725209B1 | 2007-06-04 | |||
| KR101632381B1 | 2016-07-08 |
Attorney, Agent or Firm:
HANA IP LAW FIRM (KR)
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