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A relation between metallurgical microstructure changes and oxidation resistance of 18%Cr ferritic stainless steels at the temperatures between 800 and 1050℃ has been studied. It was found that the phase structure changes during isothermal oxidation...
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RISS 인기검색어
페라이트계 스테인리스강의 고온산화에 미치는 안정화원소의 영향 = Effect of Ti, Nb on High Temperature Oxidation Behavior of Ferritic Stainless Steels
한글로보기https://www.riss.kr/link?id=A3233735
- 저자
- 발행기관
- 학술지명
- 권호사항
-
발행연도
1995
-
작성언어
Korean
-
KDC
436
-
등재정보
KCI등재
-
자료형태
학술저널
- 발행기관 URL
-
수록면
1323-1329(7쪽)
- 제공처
- 소장기관
-
0
상세조회 -
0
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부가정보
다국어 초록 (Multilingual Abstract)
A relation between metallurgical microstructure changes and oxidation resistance of 18%Cr ferritic stainless steels at the temperatures between 800 and 1050℃ has been studied. It was found that the phase structure changes during isothermal oxidation above Ac₁ temperature influerced on the oxidation resistance. In case of Fe-18%Cr steel, a thin layer of austenitic phase was produced at the beneath scale/metal interface due to the depletion of Cr by forming chromia layer during oxidation. It may generate compressive stresses on the protective scale, and so micro cracks which allow abnormal oxidation by forming nodular oxides would be developed. It results in decrease in oxidation resistance. The addition of stabilizing elements such as Ti or Nb produces fully ferritic structure up to 1000℃. It results in improvement of oxidation resistance.
A relation between metallurgical microstructure changes and oxidation resistance of 18%Cr ferritic stainless steels at the temperatures between 800 and 1050℃ has been studied. It was found that the phase structure changes during isothermal oxidation above Ac₁ temperature influerced on the oxidation resistance. In case of Fe-18%Cr steel, a thin layer of austenitic phase was produced at the beneath scale/metal interface due to the depletion of Cr by forming chromia layer during oxidation. It may generate compressive stresses on the protective scale, and so micro cracks which allow abnormal oxidation by forming nodular oxides would be developed. It results in decrease in oxidation resistance. The addition of stabilizing elements such as Ti or Nb produces fully ferritic structure up to 1000℃. It results in improvement of oxidation resistance.
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