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박용규 ( Park Yong-kyu ),최병걸 ( Choi Byung-keol ),윤주용 ( Yoon Ju Yong ),최상훈 ( Choi Sang-hoon ),윤기원 ( Yoon Gi-won ),이대식 ( Lee Dae-seek ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.2
This research reviewed the status of binder removal depending on the heating temperature and duration by using the 3D sand mold as an electric heating method. In the case of the electric heating method, it was confirmed that a heating temperature of at least 800℃ or higher was required to remove the binder of the 3D sand mold, and the heating duration was confirmed to be about 10 minutes. Afterwards, it is considered necessary to further evaluate the additional binder removal method and the utilization of recycling silica in consideration of economic feasibility and productivity.