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The purpose of this study was to evaluate the effects of Ca(OH)_2 and CO_2 additions on the corrosion of metal coupons (ductile iron, galvanized steel, copper and stainless steel). Corrosion rate and released metal ion concentration of ductile iron an...
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RISS 인기검색어
CaCO3 침전능 조절에 의한 금속시편에서의 부식방지 = The Corrosion Control Using CCPP (Calcium Carbonate Precipitation Potential) Index in Metallic Coupons
한글로보기https://www.riss.kr/link?id=A19714603
- 저자
- 발행기관
- 학술지명
- 권호사항
-
발행연도
2000
-
작성언어
Korean
- 주제어
-
KDC
539.9
-
등재정보
KCI등재
-
자료형태
학술저널
- 발행기관 URL
-
수록면
505-509(5쪽)
- 제공처
- 소장기관
-
0
상세조회 -
0
다운로드
부가정보
다국어 초록 (Multilingual Abstract)
The purpose of this study was to evaluate the effects of Ca(OH)_2 and CO_2 additions on the corrosion of metal coupons (ductile iron, galvanized steel, copper and stainless steel). Corrosion rate and released metal ion concentration of ductile iron and galvanized steel was decreased by adjusting alkalinity, calcium hardness and pH with Ca(OH)_2 & CO_2 additions named CCPP (Calcium Carbonate Precipitation Potential) index control process. But the effects of Ca(OH)_2 & CO_2 additions on copper and stainless steel were less than those on ductile iron and galvanized steel. When ductile iron coupon was exposed to water treated with Ca(OH)_2 & CO_2 additions, the main components of corrosion product formed on its surface were CaCO_3 and Fe_2O_3 or Fe_3O_4, which often reduce the corrosion rate by prohibiting oxygen transport to the metal surface.
The purpose of this study was to evaluate the effects of Ca(OH)_2 and CO_2 additions on the corrosion of metal coupons (ductile iron, galvanized steel, copper and stainless steel). Corrosion rate and released metal ion concentration of ductile iron and galvanized steel was decreased by adjusting alkalinity, calcium hardness and pH with Ca(OH)_2 & CO_2 additions named CCPP (Calcium Carbonate Precipitation Potential) index control process. But the effects of Ca(OH)_2 & CO_2 additions on copper and stainless steel were less than those on ductile iron and galvanized steel. When ductile iron coupon was exposed to water treated with Ca(OH)_2 & CO_2 additions, the main components of corrosion product formed on its surface were CaCO_3 and Fe_2O_3 or Fe_3O_4, which often reduce the corrosion rate by prohibiting oxygen transport to the metal surface.
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