Title:
LOW TEMPERATURE CARBURIZING METHOD AND CARBURIZING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/074161
Kind Code:
A1
Abstract:
A low temperature carburizing method according to the present invention comprises: step (a) for pre-processing a metal to be processed; step (b) for inputting the metal to be processed to a reaction chamber and heating the same to a set temperature; step (c) for forming a vacuum atmosphere in the reaction chamber and introducing a reaction gas thereinto at a predetermined pressure to accelerate carburization; step (d) for supplying the reaction gas to the reaction chamber at a pressure equal to or lower than the pressure of the reaction gas of step (c) to spread carburization; and step (e) for repeating step (c) and step (d) at predetermined time intervals.
Inventors:
KIM JUN HO (KR)
KIM KYU SIK (KR)
JUNG UOO CHANG (KR)
PARK IN WOOK (KR)
KIM KYU SIK (KR)
JUNG UOO CHANG (KR)
PARK IN WOOK (KR)
Application Number:
PCT/KR2016/012402
Publication Date:
May 04, 2017
Filing Date:
October 31, 2016
Export Citation:
Assignee:
KOREA IND TECH INST (KR)
International Classes:
C23C8/02; C23C8/20; C23C8/22; C23C8/80; C23G1/02
Domestic Patent References:
| WO2013150639A1 | 2013-10-10 |
Foreign References:
| KR20080095996A | 2008-10-30 | |||
| KR20060083496A | 2006-07-21 | |||
| JP2011017040A | 2011-01-27 | |||
| US6149860A | 2000-11-21 | |||
| JP2011080110A | 2011-04-21 |
Other References:
See also references of EP 3369841A4
Attorney, Agent or Firm:
KO, Young Kap (KR)
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