Densification of Al powder and Al–Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction
Pure Al, Alumix 13 (Al–4.5 wt.% Cu 0.5 Mg 0.2 Si) powders and Alumix13 reinforced with 15 wt.% Saffil short fibers were compacted up to 250–386 MPa in an axial die to study their compacting behavior. The final relative densities D were higher than 0.95 for all unreinforced powders and 0.86 for the c...
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| Veröffentlicht in: | Powder technology 2011-01, Vol.206 (3), p.297-305 |
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| creator | Moreno, M.F. González Oliver, C.J.R. |
| description | Pure Al, Alumix 13 (Al–4.5
wt.% Cu 0.5
Mg 0.2 Si) powders and Alumix13 reinforced with 15
wt.% Saffil short fibers were compacted up to 250–386
MPa in an axial die to study their compacting behavior. The final relative densities D were higher than 0.95 for all unreinforced powders and 0.86 for the composite. Different micromechanical and phenomenological models were used to fit density–pressure relations. Arzt model describes the powder compaction with good agreement up to D ~ 0.85. Kawakita equation results as a best linear fit for all tests, but its compressibility parameter
b is not in agreement with the hardening behavior of the composite. Panelli and Ambrosio equation could describe the data fairly well qualitatively for all compactions tests, however, over a limited pressure range. Finally, Konopicky relationship turned out to be very useful and fitted the densification data of all three materials quite well. Its slope from linear P vs. ln (1/(1
−
D)) plots, is related to the yield stress and characterizes the work hardening developed during plastic deformation while the density was increased. Microhardness values increase with the compacting pressure and such tendency agrees with the rising values of yield stresses, obtained by Konopicky.
The densification behavior of Al and Al–Cu powders with and without 15% Saffil short fibres were analyzed using models of Artz, Konopicky, Panelli–Ambrosio and Kawakita. Konopicky resulted the best fitting for the all cases. Composite showed a clear hardening behavior and its yield stress increased compared with unreinforced powder.
[Display omitted]
► Curvature in Konopicky plots agree with the hardening behavior during compaction. ► Kawakita model defines clear straight fitting lines for the three materials. ► 15% Saffil fibres raises the flow strength for pure Alumix 13 powder. ► Microhardness Vickers values could fit the flow strengths obtained by Konopicky. |
| doi_str_mv | 10.1016/j.powtec.2010.09.034 |
| format | Article |
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wt.% Cu 0.5
Mg 0.2 Si) powders and Alumix13 reinforced with 15
wt.% Saffil short fibers were compacted up to 250–386
MPa in an axial die to study their compacting behavior. The final relative densities D were higher than 0.95 for all unreinforced powders and 0.86 for the composite. Different micromechanical and phenomenological models were used to fit density–pressure relations. Arzt model describes the powder compaction with good agreement up to D ~ 0.85. Kawakita equation results as a best linear fit for all tests, but its compressibility parameter
b is not in agreement with the hardening behavior of the composite. Panelli and Ambrosio equation could describe the data fairly well qualitatively for all compactions tests, however, over a limited pressure range. Finally, Konopicky relationship turned out to be very useful and fitted the densification data of all three materials quite well. Its slope from linear P vs. ln (1/(1
−
D)) plots, is related to the yield stress and characterizes the work hardening developed during plastic deformation while the density was increased. Microhardness values increase with the compacting pressure and such tendency agrees with the rising values of yield stresses, obtained by Konopicky.
The densification behavior of Al and Al–Cu powders with and without 15% Saffil short fibres were analyzed using models of Artz, Konopicky, Panelli–Ambrosio and Kawakita. Konopicky resulted the best fitting for the all cases. Composite showed a clear hardening behavior and its yield stress increased compared with unreinforced powder.
[Display omitted]
► Curvature in Konopicky plots agree with the hardening behavior during compaction. ► Kawakita model defines clear straight fitting lines for the three materials. ► 15% Saffil fibres raises the flow strength for pure Alumix 13 powder. ► Microhardness Vickers values could fit the flow strengths obtained by Konopicky.</description><identifier>ISSN: 0032-5910</identifier><identifier>EISSN: 1873-328X</identifier><identifier>DOI: 10.1016/j.powtec.2010.09.034</identifier><identifier>CODEN: POTEBX</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Aluminum ; Aluminum powder ; Applied sciences ; Ceramic short fibers ; Chemical engineering ; cold ; Compacting ; COMPOSITES ; compressibility ; copper ; deformation ; Densification ; Densification behavior ; DENSITY ; equations ; Exact sciences and technology ; Hardening ; HARDNESS ; MATHEMATICAL ANALYSIS ; Mathematical models ; Metal matrix composites ; Miscellaneous ; Plastic cold compaction ; plastics ; POWDERS ; REINFORCEMENT ; silicon ; Solid-solid systems ; Yield stress</subject><ispartof>Powder technology, 2011-01, Vol.206 (3), p.297-305</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c393t-4c192acf35e700d754b7242472d65e288c3b7912b86debaeca6b48c9245269e3</citedby><cites>FETCH-LOGICAL-c393t-4c192acf35e700d754b7242472d65e288c3b7912b86debaeca6b48c9245269e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.powtec.2010.09.034$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23753999$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Moreno, M.F.</creatorcontrib><creatorcontrib>González Oliver, C.J.R.</creatorcontrib><title>Densification of Al powder and Al–Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction</title><title>Powder technology</title><description>Pure Al, Alumix 13 (Al–4.5
wt.% Cu 0.5
Mg 0.2 Si) powders and Alumix13 reinforced with 15
wt.% Saffil short fibers were compacted up to 250–386
MPa in an axial die to study their compacting behavior. The final relative densities D were higher than 0.95 for all unreinforced powders and 0.86 for the composite. Different micromechanical and phenomenological models were used to fit density–pressure relations. Arzt model describes the powder compaction with good agreement up to D ~ 0.85. Kawakita equation results as a best linear fit for all tests, but its compressibility parameter
b is not in agreement with the hardening behavior of the composite. Panelli and Ambrosio equation could describe the data fairly well qualitatively for all compactions tests, however, over a limited pressure range. Finally, Konopicky relationship turned out to be very useful and fitted the densification data of all three materials quite well. Its slope from linear P vs. ln (1/(1
−
D)) plots, is related to the yield stress and characterizes the work hardening developed during plastic deformation while the density was increased. Microhardness values increase with the compacting pressure and such tendency agrees with the rising values of yield stresses, obtained by Konopicky.
The densification behavior of Al and Al–Cu powders with and without 15% Saffil short fibres were analyzed using models of Artz, Konopicky, Panelli–Ambrosio and Kawakita. Konopicky resulted the best fitting for the all cases. Composite showed a clear hardening behavior and its yield stress increased compared with unreinforced powder.
[Display omitted]
► Curvature in Konopicky plots agree with the hardening behavior during compaction. ► Kawakita model defines clear straight fitting lines for the three materials. ► 15% Saffil fibres raises the flow strength for pure Alumix 13 powder. ► Microhardness Vickers values could fit the flow strengths obtained by Konopicky.</description><subject>Aluminum</subject><subject>Aluminum powder</subject><subject>Applied sciences</subject><subject>Ceramic short fibers</subject><subject>Chemical engineering</subject><subject>cold</subject><subject>Compacting</subject><subject>COMPOSITES</subject><subject>compressibility</subject><subject>copper</subject><subject>deformation</subject><subject>Densification</subject><subject>Densification behavior</subject><subject>DENSITY</subject><subject>equations</subject><subject>Exact sciences and technology</subject><subject>Hardening</subject><subject>HARDNESS</subject><subject>MATHEMATICAL ANALYSIS</subject><subject>Mathematical models</subject><subject>Metal matrix composites</subject><subject>Miscellaneous</subject><subject>Plastic cold compaction</subject><subject>plastics</subject><subject>POWDERS</subject><subject>REINFORCEMENT</subject><subject>silicon</subject><subject>Solid-solid systems</subject><subject>Yield stress</subject><issn>0032-5910</issn><issn>1873-328X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kc2KFDEQx4MoOK6-gWAuC-uhx3x0J52LsIyfsOBhV_AWqtOV3Qw9nTHJuOtFfAff0CcxYy8ePRUpfvWv4hdCnnO25oyrV9v1Pt4WdGvBaouZNZPtA7LivZaNFP2Xh2TFmBRNZzh7TJ7kvGWMKcnZivx4g3MOPjgoIc40eno-0Zo2YqIwj_X1--evzYHuoKRwR13c7WMOBelZwjD7mByO9DaUG8q7U3oJ3oeJ5puYCvVhSJhf0vGQwnxN4S7AVAOm8W8KuOPCp-SRhynjs_t6Qq7evb3afGguPr3_uDm_aJw0sjSt40aA87JDzdiou3bQohWtFqPqUPS9k4M2XAy9GnEAdKCGtndGtJ1QBuUJOVti9yl-PWAudheyw2mCGeMh22rRqN5I3Ve0XVCXYs4Jvd2nsIP0vUJHTtmtXWzbo23LjK2269jp_QbIDiafYHYh_5sVUnfSGFO5FwvnIVq4TpX5fFmDuvojWgmjKvF6IbD6-BYw2ewCztVzSOiKHWP4_yl_AHHRogc</recordid><startdate>20110130</startdate><enddate>20110130</enddate><creator>Moreno, M.F.</creator><creator>González Oliver, C.J.R.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8G</scope><scope>JG9</scope></search><sort><creationdate>20110130</creationdate><title>Densification of Al powder and Al–Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction</title><author>Moreno, M.F. ; González Oliver, C.J.R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-4c192acf35e700d754b7242472d65e288c3b7912b86debaeca6b48c9245269e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Aluminum</topic><topic>Aluminum powder</topic><topic>Applied sciences</topic><topic>Ceramic short fibers</topic><topic>Chemical engineering</topic><topic>cold</topic><topic>Compacting</topic><topic>COMPOSITES</topic><topic>compressibility</topic><topic>copper</topic><topic>deformation</topic><topic>Densification</topic><topic>Densification behavior</topic><topic>DENSITY</topic><topic>equations</topic><topic>Exact sciences and technology</topic><topic>Hardening</topic><topic>HARDNESS</topic><topic>MATHEMATICAL ANALYSIS</topic><topic>Mathematical models</topic><topic>Metal matrix composites</topic><topic>Miscellaneous</topic><topic>Plastic cold compaction</topic><topic>plastics</topic><topic>POWDERS</topic><topic>REINFORCEMENT</topic><topic>silicon</topic><topic>Solid-solid systems</topic><topic>Yield stress</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Moreno, M.F.</creatorcontrib><creatorcontrib>González Oliver, C.J.R.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><jtitle>Powder technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Moreno, M.F.</au><au>González Oliver, C.J.R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Densification of Al powder and Al–Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction</atitle><jtitle>Powder technology</jtitle><date>2011-01-30</date><risdate>2011</risdate><volume>206</volume><issue>3</issue><spage>297</spage><epage>305</epage><pages>297-305</pages><issn>0032-5910</issn><eissn>1873-328X</eissn><coden>POTEBX</coden><abstract>Pure Al, Alumix 13 (Al–4.5
wt.% Cu 0.5
Mg 0.2 Si) powders and Alumix13 reinforced with 15
wt.% Saffil short fibers were compacted up to 250–386
MPa in an axial die to study their compacting behavior. The final relative densities D were higher than 0.95 for all unreinforced powders and 0.86 for the composite. Different micromechanical and phenomenological models were used to fit density–pressure relations. Arzt model describes the powder compaction with good agreement up to D ~ 0.85. Kawakita equation results as a best linear fit for all tests, but its compressibility parameter
b is not in agreement with the hardening behavior of the composite. Panelli and Ambrosio equation could describe the data fairly well qualitatively for all compactions tests, however, over a limited pressure range. Finally, Konopicky relationship turned out to be very useful and fitted the densification data of all three materials quite well. Its slope from linear P vs. ln (1/(1
−
D)) plots, is related to the yield stress and characterizes the work hardening developed during plastic deformation while the density was increased. Microhardness values increase with the compacting pressure and such tendency agrees with the rising values of yield stresses, obtained by Konopicky.
The densification behavior of Al and Al–Cu powders with and without 15% Saffil short fibres were analyzed using models of Artz, Konopicky, Panelli–Ambrosio and Kawakita. Konopicky resulted the best fitting for the all cases. Composite showed a clear hardening behavior and its yield stress increased compared with unreinforced powder.
[Display omitted]
► Curvature in Konopicky plots agree with the hardening behavior during compaction. ► Kawakita model defines clear straight fitting lines for the three materials. ► 15% Saffil fibres raises the flow strength for pure Alumix 13 powder. ► Microhardness Vickers values could fit the flow strengths obtained by Konopicky.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.powtec.2010.09.034</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Powder technology, 2011-01, Vol.206 (3), p.297-305 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Aluminum Aluminum powder Applied sciences Ceramic short fibers Chemical engineering cold Compacting COMPOSITES compressibility copper deformation Densification Densification behavior DENSITY equations Exact sciences and technology Hardening HARDNESS MATHEMATICAL ANALYSIS Mathematical models Metal matrix composites Miscellaneous Plastic cold compaction plastics POWDERS REINFORCEMENT silicon Solid-solid systems Yield stress |
| title | Densification of Al powder and Al–Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction |
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