Solute–Solute Interaction in α IRON: The Status QUO

• Autorzy: Numakura H.

Warianty tytułu

PL

Wzajemne oddziaływanie atomów substytucyjnych i międzywęzłowych w żelazie alfa: status quo

• Języki publikacji: EN

Abstrakty

EN

An overview is presented on the interaction of substitutional solutes with carbon and nitrogen in α iron, which is an important factor in controlling the properties of steels. Starting from a simple model of trapping of the interstitial solute atoms by substitutional solute atoms, the principles of experimental methods for quantitative studies are described, focussing on the Snoek relaxation and solubility measurements, and the knowledge acquired by such experiments is reviewed. An account of recent theoretical approaches to the interaction is also given.

PL

Przedstawiono przegląd oddziaływań atomów substytucyjnych z atomami węgla i azotu w żelazie alfa, które jest ważnym czynnikiem wpływającym na właściwości stali. Zaczynając od prostego modelu pułapkowania rozpuszczonych atomów międzywęzłowych przez atomy substytucyjne, przedstawione są zasady metod eksperymentalnych stosowanych w badaniach ilościowych, koncentrując się głównie na badaniach relaksacji Snoeka i pomiarach rozpuszczalności. Przedstawiono przegląd wiedzy nabytej w takich eksperymentach oraz najnowszej próby teoretycznego opisu ww oddziaływań.

Słowa kluczowe

EN

iron and steel; carbon; nitrogen; solubility; diffusion; trapping; Snoek relaxation

PL

żelazo i stal; węgiel; azot; rozpuszczalność; dyfuzja; zastawianie sideł; Snoek relaks

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2015
• Tom: Vol. 60, iss. 3A
• Strony: 2061--2068
• Opis fizyczny: Bibliogr. 34 poz., rys., wykr., wzory

Twórcy

autor

Numakura H.

• Department of Materials Science, Osaka Prefecture University, Gakuen-Cho 1-1, Naka-Ku, Sakai 599-8531, Japan
• JST Crest, 7 Gobancho, Chiyoda-Ku, Tokyo 102-0076, Japan

Bibliografia

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Uwagi

EN

This article is based on an on-going project supported by CREST Basic Research Program on ‘Creation of innovative functions of intelligent materials on the basis of element strategy’ provided by Japan Science and Technology Agency, and cooperative research programmes of the Centre for Computational Materials Science of the Institute for Materials Research, Tohoku University, using SR16000 supercomputing facilities. The author wishes to thank M. H. F. Sluiter (Delft University of Technology) for stimulating discussion, the members of the CREST project for collaboration and discussion, and students at Osaka Prefecture University for their efforts in the experimental work. Financial supports from JFE 21st Foundation and the Iron and Steel Institute of Japan are gratefully acknowledged