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The physical properties of the system MgCr₂O₄-CaO were studied after sintering at 750℃ and 1200℃, respectively, in air for 7 hours. The behavior of varporization for the specimens sintered at 750℃ was studied in H₂ atomosphere. The mechani...
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마그·크로내화물의 고온안정성에 미치는 CaO의 영향 = Effects of CaO Addition on High Temperature Stability of Mag-Chro Refractories
한글로보기https://www.riss.kr/link?id=A2001524
- 저자
- 발행기관
- 학술지명
- 권호사항
-
발행연도
1983
-
작성언어
Korean
-
KDC
504
-
자료형태
학술저널
-
수록면
179-185(7쪽)
- 제공처
- 소장기관
-
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상세조회 -
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다운로드
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부가정보
다국어 초록 (Multilingual Abstract)
The physical properties of the system MgCr₂O₄-CaO were studied after sintering at 750℃ and 1200℃, respectively, in air for 7 hours. The behavior of varporization for the specimens sintered at 750℃ was studied in H₂ atomosphere. The mechanism of CaCrO₄formation by addition of Cao to MgCr₂O₄ was found to be first order chemical reaction. As CaO contents were increased, the specimens sintered at 750 ℃ expanded by oxidation but the specimens sintered at 1200℃ contracted by formation of eutectic liquid. The vaporization under H₂atomosphere was nearly completed in 1 hour, and as CaO contents were increased, the vaporization rate was also increased.
The physical properties of the system MgCr₂O₄-CaO were studied after sintering at 750℃ and 1200℃, respectively, in air for 7 hours. The behavior of varporization for the specimens sintered at 750℃ was studied in H₂ atomosphere. The mechanism of CaCrO₄formation by addition of Cao to MgCr₂O₄ was found to be first order chemical reaction. As CaO contents were increased, the specimens sintered at 750 ℃ expanded by oxidation but the specimens sintered at 1200℃ contracted by formation of eutectic liquid. The vaporization under H₂atomosphere was nearly completed in 1 hour, and as CaO contents were increased, the vaporization rate was also increased.
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