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- Publisher Website: 10.1016/0956-7151(92)90062-J
- Scopus: eid_2-s2.0-0026995343
- WOS: WOS:A1992JZ71500030
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Article: Computer simulation of recrystallization-III. Influence of a dispersion of fine particles
Title | Computer simulation of recrystallization-III. Influence of a dispersion of fine particles |
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Authors | |
Issue Date | 1992 |
Citation | Acta Metallurgica Et Materialia, 1992, v. 40, n. 12, p. 3475-3495 How to Cite? |
Abstract | Two-dimensional Monte Carlo simulations of recrystallization have been carried out in the presence of incoherent and immobile particles for a range of different particle fractions, a range of stored energies and a range of densities of potential nuclei (embryos). For stored energies greater than a critical value (H/J > 1) the recrystallization front can readily pass the particles leading to a random density of particles on the front and a negligible influence of particles on the recrystallization kinetics. At lower stored energies the particles pin the recrystallization front leading to incomplete recrystallization. However at very low particle fractions, when the new grain has grown much larger than the matrix grains, before meeting any particles, the new grains can complete the consumption of the deformed grains giving complete "recrystallization" by a process that appears to be similar to abnormal grain growth. Particles are, as reported previously, very effective at pinning grain boundaries, both of the deformed and recrystallized grains, when boundaries migrate under essentially the driving force of boundary energy alone. Such boundaries show a density of particles that rises rapidly from the random value found at the start of the simulation. As a consequence, particles very strongly inhibit normal grain growth after recrystallization. Such growth can only occur if the as-recrystallized grain size is less than the limiting grain size seen in the absence of recrystallization. Under these circumstances a small increment of grain growth occurs until the grain boundaries once again acquire a higher than random density of particles. © 1992. |
Persistent Identifier | http://hdl.handle.net/10722/303114 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Rollett, A. D. | - |
dc.contributor.author | Srolovitz, D. J. | - |
dc.contributor.author | Anderson, M. P. | - |
dc.contributor.author | Doherty, R. D. | - |
dc.date.accessioned | 2021-09-15T08:24:39Z | - |
dc.date.available | 2021-09-15T08:24:39Z | - |
dc.date.issued | 1992 | - |
dc.identifier.citation | Acta Metallurgica Et Materialia, 1992, v. 40, n. 12, p. 3475-3495 | - |
dc.identifier.issn | 0956-7151 | - |
dc.identifier.uri | http://hdl.handle.net/10722/303114 | - |
dc.description.abstract | Two-dimensional Monte Carlo simulations of recrystallization have been carried out in the presence of incoherent and immobile particles for a range of different particle fractions, a range of stored energies and a range of densities of potential nuclei (embryos). For stored energies greater than a critical value (H/J > 1) the recrystallization front can readily pass the particles leading to a random density of particles on the front and a negligible influence of particles on the recrystallization kinetics. At lower stored energies the particles pin the recrystallization front leading to incomplete recrystallization. However at very low particle fractions, when the new grain has grown much larger than the matrix grains, before meeting any particles, the new grains can complete the consumption of the deformed grains giving complete "recrystallization" by a process that appears to be similar to abnormal grain growth. Particles are, as reported previously, very effective at pinning grain boundaries, both of the deformed and recrystallized grains, when boundaries migrate under essentially the driving force of boundary energy alone. Such boundaries show a density of particles that rises rapidly from the random value found at the start of the simulation. As a consequence, particles very strongly inhibit normal grain growth after recrystallization. Such growth can only occur if the as-recrystallized grain size is less than the limiting grain size seen in the absence of recrystallization. Under these circumstances a small increment of grain growth occurs until the grain boundaries once again acquire a higher than random density of particles. © 1992. | - |
dc.language | eng | - |
dc.relation.ispartof | Acta Metallurgica Et Materialia | - |
dc.title | Computer simulation of recrystallization-III. Influence of a dispersion of fine particles | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/0956-7151(92)90062-J | - |
dc.identifier.scopus | eid_2-s2.0-0026995343 | - |
dc.identifier.volume | 40 | - |
dc.identifier.issue | 12 | - |
dc.identifier.spage | 3475 | - |
dc.identifier.epage | 3495 | - |
dc.identifier.isi | WOS:A1992JZ71500030 | - |