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Pinning effect of pores on grain growth in sintered steel
German Jordanian University, Jordan.
The University of Jordan, Jordan.
RISE - Research Institutes of Sweden, Swerea, Swerea SWECAST.
2017 (English)In: Jordan Journal of Mechanical and Industrial Engineering, ISSN 1995-6665, Vol. 11, no 2, p. 73-78Article in journal (Refereed) Published
Abstract [en]

The effect of pore drag on grain growth is one of the most frequent effects encountered in the last stage of sintering. Therefore, the understanding of the effect of microstructure and pore location, pore morphology on grain growth is essential. Here a migrating grain boundary interacts with pores and other grain boundaries such that its structure and energy vary during grain growth. Consequently, it is of great interest to see whether the grain boundary energy decreases or increases during the interaction between migrating grain boundaries and pores. In this paper, the conditions for grain boundary migration and pinning are related to pore curvature and illustrated theoretically and experimentally.

Place, publisher, year, edition, pages
2017. Vol. 11, no 2, p. 73-78
Keywords [en]
Grain boundaries, Grain growth, Pore drag, Pore rounding, Drag, Sintering, Grain boundary migrations, Grain-boundary energy, Pinning effects, Pore curvature, Pore morphology, Sintered steels
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-33167Scopus ID: 2-s2.0-85038895417OAI: oai:DiVA.org:ri-33167DiVA, id: diva2:1176686
Available from: 2018-01-23 Created: 2018-01-23 Last updated: 2018-01-23Bibliographically approved

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