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Eco-Friendly Pretreatment of Titanium Turning Scraps and Subsequent Preparation of Ferro-Titanium Ingots
저자
채지광, 오정민, 유수환, 임재원
학술지명
대한금속·재료학회지
출판/발행연도
2019
주제
요약
본 연구에서는 티타늄 절삭 폐기물을 재활용하기 위한 친환경 전처리 공정을 개발하고, 이를 이용하여 기체 불순물이 낮은 페로티타늄 잉곳을 제조하였다. NaOH + Na4P2O7 용액을 사용한 전처리 공정은 티타늄 절삭 폐기물 내 산소, 질소, 탄소의 함량을 각각 54.0%, 96.2%, 98.4% 감소시켰으며, 전처리된 티타늄을 사용하여 제조한 페로티타늄 잉곳의 총 기체 불순물 함량은 원료 티타늄을 사용한 잉곳 대비 81% 감소하였다.
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