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Patent Searching and Data


Title:
METHOD FOR REMOVING PORES IN METAL BODY
Document Type and Number:
WIPO Patent Application WO/2019/198890
Kind Code:
A1
Abstract:
Provided is a method for removing pores in a metal body, according to one aspect of the present invention. The method for removing pores in a metal body may comprise the steps of: forming a semisolid area in which a solid phase and a liquid phase coexist by inputting thermal energy into a start area defined in the metal body by means of an external heat source, thereby partially melting the area; and moving the semisolid area, comprising moving the external heat source from the start area so as to continuously move the semisolid area in the metal body to a predetermined end area in the metal body, and solidifying the liquid phase which exists in the semisolid area from which the thermal energy is removed.

Inventors:
KIM HWI JUN (KR)
NO GOO WON (KR)
LEE BYOUNG SOO (KR)
LEE HAE JIN (KR)
LEE CHANG WOO (KR)
HONG SUNG UK (KR)
Application Number:
KR2018/011775
Publication Date:
October 17, 2019
Filing Date:
October 05, 2018
Export Citation:
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Assignee:
KOREA INST IND TECH (31056, KR)
International Classes:
B22D31/00; B22F3/26
Foreign References:
KR20060036627A2006-05-02
JPS56134599A1981-10-21
US6311759B12001-11-06
JP2001030060A2001-02-06
JPH07172910A1995-07-11
Attorney, Agent or Firm:
LEE, In Haeng et al. (06651, KR)
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