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On the interaction and pinning of grain boundaries by cubic shaped precipitate particles
Luleå tekniska universitet.
Luleå tekniska universitet.
1989 (English)In: Acta Metallurgica, ISSN 0001-6160, Vol. 37, no 3, p. 831-841Article in journal (Refereed) Published
Abstract [en]

Previous models of the Zener pinning of migrating grain boundaries by precipitates are all based on spherical or ellipsoidal particles. In this work, theoretical and experimental studies are made of pinning by stable, cubic-shaped particles. It is shown that cubic-shaped particles are generally more effective than spherical particles in holding up grain growth. Pinning is also more effective if particles are fully coherent. Transmission electron microscopy is used to study actual grain boundary/particle interactions in a Ti-microalloyed steel in which the coherent precipitate is a stable, cubic-shaped titanium nitride compound. The interactions observed are discussed in the light of the models developed

Place, publisher, year, edition, pages
1989. Vol. 37, no 3, p. 831-841
National Category
Other Materials Engineering
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-2570DOI: 10.1016/0001-6160(89)90010-2ISI: A1989T106700010Scopus ID: 2-s2.0-0024628816Local ID: 0311a9a0-ec45-11dc-9508-000ea68e967bOAI: oai:DiVA.org:ltu-2570DiVA, id: diva2:975423
Note

Godkänd; 1989; 20080307 (cira)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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