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 t...
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2011
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00325910_v206_n3_p297_Moreno http://hdl.handle.net/20.500.12110/paper_00325910_v206_n3_p297_Moreno |
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paper:paper_00325910_v206_n3_p297_Moreno2023-06-08T15:00:15Z Densification of Al powder and Al-Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction Aluminum powder Ceramic short fibers Densification behavior Metal matrix composites Plastic cold compaction Al powder Aluminum powders Ceramic short fibers Cold compaction Compacting behavior Compacting pressure Compressibility parameters Cu matrix composites Densification behavior Hardening behavior Kawakita equation Metal matrix composites Micro-mechanical Phenomenological models Powder compactions Pressure ranges Pure Al Relative density Saffil short fibers Short fibre Work hardening Aluminum Aluminum powder metallurgy Behavioral research Ceramic materials Ceramic matrix composites Compaction Densification Fibers Matrix algebra Plastics Polymer matrix composites Powder metals Strain hardening Yield stress Metallic matrix composites aluminum copper article chemical analysis chemical composition chemical reaction chemical structure composite material controlled study density hardness low temperature mathematical model mechanical stress particle size powder 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. © 2010 Elsevier B.V. 2011 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00325910_v206_n3_p297_Moreno http://hdl.handle.net/20.500.12110/paper_00325910_v206_n3_p297_Moreno |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Aluminum powder Ceramic short fibers Densification behavior Metal matrix composites Plastic cold compaction Al powder Aluminum powders Ceramic short fibers Cold compaction Compacting behavior Compacting pressure Compressibility parameters Cu matrix composites Densification behavior Hardening behavior Kawakita equation Metal matrix composites Micro-mechanical Phenomenological models Powder compactions Pressure ranges Pure Al Relative density Saffil short fibers Short fibre Work hardening Aluminum Aluminum powder metallurgy Behavioral research Ceramic materials Ceramic matrix composites Compaction Densification Fibers Matrix algebra Plastics Polymer matrix composites Powder metals Strain hardening Yield stress Metallic matrix composites aluminum copper article chemical analysis chemical composition chemical reaction chemical structure composite material controlled study density hardness low temperature mathematical model mechanical stress particle size powder |
| spellingShingle |
Aluminum powder Ceramic short fibers Densification behavior Metal matrix composites Plastic cold compaction Al powder Aluminum powders Ceramic short fibers Cold compaction Compacting behavior Compacting pressure Compressibility parameters Cu matrix composites Densification behavior Hardening behavior Kawakita equation Metal matrix composites Micro-mechanical Phenomenological models Powder compactions Pressure ranges Pure Al Relative density Saffil short fibers Short fibre Work hardening Aluminum Aluminum powder metallurgy Behavioral research Ceramic materials Ceramic matrix composites Compaction Densification Fibers Matrix algebra Plastics Polymer matrix composites Powder metals Strain hardening Yield stress Metallic matrix composites aluminum copper article chemical analysis chemical composition chemical reaction chemical structure composite material controlled study density hardness low temperature mathematical model mechanical stress particle size powder Densification of Al powder and Al-Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction |
| topic_facet |
Aluminum powder Ceramic short fibers Densification behavior Metal matrix composites Plastic cold compaction Al powder Aluminum powders Ceramic short fibers Cold compaction Compacting behavior Compacting pressure Compressibility parameters Cu matrix composites Densification behavior Hardening behavior Kawakita equation Metal matrix composites Micro-mechanical Phenomenological models Powder compactions Pressure ranges Pure Al Relative density Saffil short fibers Short fibre Work hardening Aluminum Aluminum powder metallurgy Behavioral research Ceramic materials Ceramic matrix composites Compaction Densification Fibers Matrix algebra Plastics Polymer matrix composites Powder metals Strain hardening Yield stress Metallic matrix composites aluminum copper article chemical analysis chemical composition chemical reaction chemical structure composite material controlled study density hardness low temperature mathematical model mechanical stress particle size powder |
| 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. © 2010 Elsevier B.V. |
| title |
Densification of Al powder and Al-Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction |
| title_short |
Densification of Al powder and Al-Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction |
| title_full |
Densification of Al powder and Al-Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction |
| title_fullStr |
Densification of Al powder and Al-Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction |
| title_full_unstemmed |
Densification of Al powder and Al-Cu matrix composite (reinforced with 15% Saffil short fibres) during axial cold compaction |
| title_sort |
densification of al powder and al-cu matrix composite (reinforced with 15% saffil short fibres) during axial cold compaction |
| publishDate |
2011 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00325910_v206_n3_p297_Moreno http://hdl.handle.net/20.500.12110/paper_00325910_v206_n3_p297_Moreno |
| _version_ |
1768542072392908800 |