Study of the recrystallization process of AlMgSi alloys containing transition elements
The addition of small amounts of the transition elements such as Zr, Mn and Cr, which have a low solubility in the α-aluminium solid solution and thus form dispersoids, to AlMgSi alloys showed that these elements inhibit recrystallization when the alloys are pre-heated prior to deformation. The form...
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| Veröffentlicht in: | Journal of alloys and compounds 2009-11, Vol.486 (1), p.451-457 |
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| creator | Guemini, Rebai Boubertakh, Abdelhamid Lorimer, Gordon Winston |
| description | The addition of small amounts of the transition elements such as Zr, Mn and Cr, which have a low solubility in the α-aluminium solid solution and thus form dispersoids, to AlMgSi alloys showed that these elements inhibit recrystallization when the alloys are pre-heated prior to deformation. The formation of coarse particles during casting is mainly due to the presence of Fe. This type of particles found, even, in solution treated samples. The particles, with a diameter exceeding 3
μm, accelerate the recrystallization as they provide good sites for nucleation of recrystallization. Precipitate free zones (PFZ's) developed around the coarse particles favour nucleation of recrystallization by subgrain growth. The presence of dispersoid particles is found to shift the recrystallization energy peak towards higher temperatures. Intermediate annealing before deformation allowed to achieve a high rate of deformation by cold rolling due to the removal of the solute from the matrix by the formation of the hardening phases. Optical and transmission electron microscopy, hardness measurements and differential scanning calorimetry (DSC) were used to study the kinetics of precipitation and recrystallization of the AlMgSi alloys. |
| doi_str_mv | 10.1016/j.jallcom.2009.06.207 |
| format | Article |
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μm, accelerate the recrystallization as they provide good sites for nucleation of recrystallization. Precipitate free zones (PFZ's) developed around the coarse particles favour nucleation of recrystallization by subgrain growth. The presence of dispersoid particles is found to shift the recrystallization energy peak towards higher temperatures. Intermediate annealing before deformation allowed to achieve a high rate of deformation by cold rolling due to the removal of the solute from the matrix by the formation of the hardening phases. Optical and transmission electron microscopy, hardness measurements and differential scanning calorimetry (DSC) were used to study the kinetics of precipitation and recrystallization of the AlMgSi alloys.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2009.06.207</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Alloys ; AlMgSi alloys ; Chromium ; Coarsening ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Deformation ; Differential scanning calorimetry ; Dispersions ; Equations of state, phase equilibria, and phase transitions ; Exact sciences and technology ; General studies of phase transitions ; Hardening phases ; Materials science ; Mechanical properties ; Nucleation ; Phase diagrams and microstructures developed by solidification and solid-solid phase transformations ; Phases transformations ; Physics ; Precipitation ; Recrystallization ; Solubility, segregation, and mixing; phase separation</subject><ispartof>Journal of alloys and compounds, 2009-11, Vol.486 (1), p.451-457</ispartof><rights>2009 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c371t-d7a2d7c71157a3e58321927560a5e2ad685e991ae9affc6b91cc93f1599d25453</citedby><cites>FETCH-LOGICAL-c371t-d7a2d7c71157a3e58321927560a5e2ad685e991ae9affc6b91cc93f1599d25453</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2009.06.207$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27911,27912,45982</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22120818$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Guemini, Rebai</creatorcontrib><creatorcontrib>Boubertakh, Abdelhamid</creatorcontrib><creatorcontrib>Lorimer, Gordon Winston</creatorcontrib><title>Study of the recrystallization process of AlMgSi alloys containing transition elements</title><title>Journal of alloys and compounds</title><description>The addition of small amounts of the transition elements such as Zr, Mn and Cr, which have a low solubility in the α-aluminium solid solution and thus form dispersoids, to AlMgSi alloys showed that these elements inhibit recrystallization when the alloys are pre-heated prior to deformation. The formation of coarse particles during casting is mainly due to the presence of Fe. This type of particles found, even, in solution treated samples. The particles, with a diameter exceeding 3
μm, accelerate the recrystallization as they provide good sites for nucleation of recrystallization. Precipitate free zones (PFZ's) developed around the coarse particles favour nucleation of recrystallization by subgrain growth. The presence of dispersoid particles is found to shift the recrystallization energy peak towards higher temperatures. Intermediate annealing before deformation allowed to achieve a high rate of deformation by cold rolling due to the removal of the solute from the matrix by the formation of the hardening phases. Optical and transmission electron microscopy, hardness measurements and differential scanning calorimetry (DSC) were used to study the kinetics of precipitation and recrystallization of the AlMgSi alloys.</description><subject>Alloys</subject><subject>AlMgSi alloys</subject><subject>Chromium</subject><subject>Coarsening</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Deformation</subject><subject>Differential scanning calorimetry</subject><subject>Dispersions</subject><subject>Equations of state, phase equilibria, and phase transitions</subject><subject>Exact sciences and technology</subject><subject>General studies of phase transitions</subject><subject>Hardening phases</subject><subject>Materials science</subject><subject>Mechanical properties</subject><subject>Nucleation</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>Phases transformations</subject><subject>Physics</subject><subject>Precipitation</subject><subject>Recrystallization</subject><subject>Solubility, segregation, and mixing; 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phase separation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guemini, Rebai</creatorcontrib><creatorcontrib>Boubertakh, Abdelhamid</creatorcontrib><creatorcontrib>Lorimer, Gordon Winston</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guemini, Rebai</au><au>Boubertakh, Abdelhamid</au><au>Lorimer, Gordon Winston</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study of the recrystallization process of AlMgSi alloys containing transition elements</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2009-11-03</date><risdate>2009</risdate><volume>486</volume><issue>1</issue><spage>451</spage><epage>457</epage><pages>451-457</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>The addition of small amounts of the transition elements such as Zr, Mn and Cr, which have a low solubility in the α-aluminium solid solution and thus form dispersoids, to AlMgSi alloys showed that these elements inhibit recrystallization when the alloys are pre-heated prior to deformation. The formation of coarse particles during casting is mainly due to the presence of Fe. This type of particles found, even, in solution treated samples. The particles, with a diameter exceeding 3
μm, accelerate the recrystallization as they provide good sites for nucleation of recrystallization. Precipitate free zones (PFZ's) developed around the coarse particles favour nucleation of recrystallization by subgrain growth. The presence of dispersoid particles is found to shift the recrystallization energy peak towards higher temperatures. Intermediate annealing before deformation allowed to achieve a high rate of deformation by cold rolling due to the removal of the solute from the matrix by the formation of the hardening phases. Optical and transmission electron microscopy, hardness measurements and differential scanning calorimetry (DSC) were used to study the kinetics of precipitation and recrystallization of the AlMgSi alloys.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2009.06.207</doi><tpages>7</tpages></addata></record> |
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| subjects | Alloys AlMgSi alloys Chromium Coarsening Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Deformation Differential scanning calorimetry Dispersions Equations of state, phase equilibria, and phase transitions Exact sciences and technology General studies of phase transitions Hardening phases Materials science Mechanical properties Nucleation Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Phases transformations Physics Precipitation Recrystallization Solubility, segregation, and mixing phase separation |
| title | Study of the recrystallization process of AlMgSi alloys containing transition elements |
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