The effects of reheating processes on the grain boundary heritance for 2.25Cr-1Mo-0.25V steels were investigated. The results show that at higher heating rate (150 • C/min), the coarse characters of prior austenite grains are easily inherited in the reheating temperature range from 920 to 1025 • C.
Study of the 1.25Cr–1Mo–0.25V steel microstructure after a carburization phenomenon
✍ Scribed by S. Simonetti; C. Lanz; G. Brizuela; A. Juan
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 430 KB
- Volume
- 527
- Category
- Article
- ISSN
- 0921-5093
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✦ Synopsis
We studied the changes in the structure and carbide particle size in 1.25Cr-1Mo-0.25V steel under 600 • C and 168 MPa, after 4000 h service. We used microscopy and microanalysis techniques to analyze the carbide particles. We performed a complementary theoretical study on the chemical bonding and electronic structure of the carbide-Fe matrix interaction. The results contribute to the understanding of the changes in the alloy microstructure caused by the carburization phenomenon.
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