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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 (282-1303, 88 Sanghyeon-ro, Suji-gu,Yongin-si, Gyeonggi-do, 16936, KR)
NO, Goo Won (10-501, 58 Hannaru-ro 477beon-gil,Michuhol-gu, Incheon, 22209, KR)
LEE, Byoung Soo (108-605, 78 Gajak-ro,Gangneung-si, Gangwon-do, 25495, KR)
LEE, Hae Jin (101-404, 22 Gyeonggang-ro 2539beon-gil,Gangneung-si, Gangwon-do, 25560, KR)
LEE, Chang Woo (102-601, 209 Nonhyeon-ro,Gangnam-gu, Seoul, 06270, KR)
HONG, Sung Uk (8 Geomdan-ro 529beon-gil, Seo-gu, Incheon, 22611, KR)
Application Number:
KR2018/011775
Publication Date:
October 17, 2019
Filing Date:
October 05, 2018
Export Citation:
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Assignee:
KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY (89 Yangdaegiro-gil, Ipjang-myeon Seobuk-gu,Cheonan-si, Chungcheongnam-do, 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. (Yulmin IP Law Firm, 2nd Floor Nice Building, 28, Saimdang-ro,Seocho-gu, Seoul, 06651, KR)
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