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TEM study of Ti-N and Cr-N precipitate formation in iron alloysстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 19 июля 2013 г.
- Авторы: Chechenin N.G., Bronsveld P.M., Chezan A., Craus C.B., Boerma D.O., De Hosson J.T.M, Niesen L.
- Журнал: Physica status solidi (A): Applied research
- Том: 177
- Номер: 1
- Год издания: 2000
- Издательство: Academic Press
- Местоположение издательства: United States
- Первая страница: 117
- Последняя страница: 125
- DOI: 10.1002/(SICI)1521-396X(200001)177:1<117::AID-PSSA117>3.0.CO;2-4
- Аннотация: The formation of precipitates of Ti and Cr nitrides in cold-rolled Fe + Ni(4at%) Ti(2at%) and Fe + Ni(4at%) + Cr(3at%) after a pre-nitriding step was investigated by Mossbauer spectroscopy (MS) and transmission electron microscopy (TEM). From MS data we conclude that initially most of the Ti and Cr were atomically dispersed. Using TEM and high-resolution TEM (HRTEM), we found that the Baker-Nutting (B-N) orientation relationship (OR) holds for platelets one to two interatomic distances thick, producing streaking around the (200) reflections, while for thicker precipitates the Nishiyama-Wasserman (N-W) OR is more favorable. We also observed a transient phase, Cr2N, the formation of which was possible due to the relatively low nitriding temperature, a low nitriding potential, and the presence of Cr inclusions of relatively large initial size.
- Добавил в систему: Чеченин Николай Гаврилович