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Fine (Cr,Fe)2B borides on grain boundaries in a 10Cr–0.01B martensitic steel
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- Fedorova, I. (author)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Liu, Fang, 1975 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Grumsen, F. B. (author)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Elsevier BV, 2018
- 2018
- English.
- In: Scripta Materialia. - : Elsevier BV. - 1359-6462. ; 156, s. 124-128
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A 10Cr creep resistant martensitic steel with 108 ppm B was normalized at 1100 °C for 1 h and air cooled. Fine (Cr,Fe)2B borides were observed on the majority of prior austenite grain boundaries, all of which were high angle boundaries, as revealed by EBSD-based reconstruction of parent austenite grains. Some high angle boundaries including twin boundaries were boride-free. Segregation of boron to austenite grain boundaries during slow cooling from 1100 °C led to boride nucleation and growth. Their size increased with decreasing cooling rate. Borides were verified by atom probe tomography, auger spectroscopy, transmission and scanning electron microscopy.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Keramteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Ceramics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Keyword
- Boron behavior
- Martensitic steels
- Atom probe tomography
- Borides
Publication and Content Type
- art (subject category)
- ref (subject category)
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- Fedorova, I.
- Liu, Fang, 1975
- Grumsen, F. B.
- Cao, Yu, 1969
- Mishin, O. V.
- Hald, John
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- ENGINEERING AND TECHNOLOGY
- ENGINEERING AND ...
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- Chalmers University of Technology
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