{"id":{"repo_id":"nps","oai_identifier":"oai:calhoun.nps.edu:10945/24029"},"canonical_url":"https://search.dev.ndltd.org/etd/nps/oai:calhoun.nps.edu:10945/24029","repository":{"repo_id":"nps","name":"Naval Postgraduate School","base_url":"https://calhoun.nps.edu/server/oai/request"},"display":{"title":"The role of particles in recrystallization of a thermomechanically processed A1-Mg alloy.","abstract":"The microstructural evolution related to the superplastic response of an AllOMg- O.lZr alloy during thermomechanical processing (TMP) was studied. The TMP had been accomplished in previous work and consisted of 12 rolling passes, with reheating between each pass, to a total strain of 2.5. Quantitative data including length, aspect ratio and area of precipitated 6-phase (Al8Mg5) particles were obtained using image analysis methods applied to the as-rolled conditions following passes 8, 10 and 12. The corresponding accumulated suains were 1.5, 2.0 and 2.6, respectively. Precipitation of the 6-phase is complete by pass 8 and the size as well as the size distribution remained essentially unchanged in the subsequent passes. A model for particle- stimulated nucleation of recrystallization, which is based on thermodynamic considerations, is evaluated with respect to experimental data.","abstract_html":"The microstructural evolution related to the superplastic response of an AllOMg- O.lZr alloy during thermomechanical processing (TMP) was studied. The TMP had been accomplished in previous work and consisted of 12 rolling passes, with reheating between each pass, to a total strain of 2.5. Quantitative data including length, aspect ratio and area of precipitated 6-phase (Al8Mg5) particles were obtained using image analysis methods applied to the as-rolled conditions following passes 8, 10 and 12. The corresponding accumulated suains were 1.5, 2.0 and 2.6, respectively. Precipitation of the 6-phase is complete by pass 8 and the size as well as the size distribution remained essentially unchanged in the subsequent passes. A model for particle- stimulated nucleation of recrystallization, which is based on thermodynamic considerations, is evaluated with respect to experimental data.","abstract_has_math":false,"creators":["Rogers, Stephen Andrew"],"institution":"Monterey, California. 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Quantitative data including length, aspect ratio and area of precipitated 6-phase (Al8Mg5) particles were obtained using image analysis methods applied to the as-rolled conditions following passes 8, 10 and 12. The corresponding accumulated suains were 1.5, 2.0 and 2.6, respectively. Precipitation of the 6-phase is complete by pass 8 and the size as well as the size distribution remained essentially unchanged in the subsequent passes. A model for particle- stimulated nucleation of recrystallization, which is based on thermodynamic considerations, is evaluated with respect to experimental data."]},{"key":"dc:title","label":"Title","values":["The role of particles in recrystallization of a thermomechanically processed A1-Mg alloy."]}]}],"canonical_facts":{"dc:contributor.advisor":["McNelley, T.R.","Crooks, Roy"],"dc:contributor.department":["Mechanical Engineering"],"dc:creator":["Rogers, Stephen Andrew"],"dc:date.accessioned":["2012-11-29T16:19:12Z"],"dc:date.available":["2012-11-29T16:19:12Z"],"dc:date.issued":["1992-09"],"dc:description.abstract":["The microstructural evolution related to the superplastic response of an AllOMg- O.lZr alloy during thermomechanical processing (TMP) was studied. The TMP had been accomplished in previous work and consisted of 12 rolling passes, with reheating between each pass, to a total strain of 2.5. Quantitative data including length, aspect ratio and area of precipitated 6-phase (Al8Mg5) particles were obtained using image analysis methods applied to the as-rolled conditions following passes 8, 10 and 12. The corresponding accumulated suains were 1.5, 2.0 and 2.6, respectively. Precipitation of the 6-phase is complete by pass 8 and the size as well as the size distribution remained essentially unchanged in the subsequent passes. A model for particle- stimulated nucleation of recrystallization, which is based on thermodynamic considerations, is evaluated with respect to experimental data."],"dc:identifier.uri":["https://hdl.handle.net/10945/24029"],"dc:language.iso":["en_US"],"dc:publisher":["Monterey, California. Naval Postgraduate School"],"dc:title":["The role of particles in recrystallization of a thermomechanically processed A1-Mg alloy."],"dc:type":["Thesis"]},"updated_at":"2026-07-27T20:26:16Z"}