Metal foaming by powder metallurgy process: investigation of different parameters on the foaming efficiency
Aluminium foams, produced by powder metallurgy process, have significant potential applications for uses in weight-sensitive structural parts. Problems in the production of metal foams arise from the lack of knowledge in the control of process parameters. The results are frequently uneven and un¬pre...
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| Format: | Article |
| Language: | English |
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Gruppo Italiano Frattura
2019-10-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | https://www.fracturae.com/index.php/fis/article/view/2616/2759 |
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| author | Ioannis Papantoniou Helena P. Kyriakopoulou Dimitrios I. Pantelis Dimitrios E. Manolakos |
| author_facet | Ioannis Papantoniou Helena P. Kyriakopoulou Dimitrios I. Pantelis Dimitrios E. Manolakos |
| author_sort | Ioannis Papantoniou |
| collection | DOAJ |
| description | Aluminium foams, produced by powder metallurgy process, have significant potential applications for uses in weight-sensitive structural parts. Problems in the production of metal foams arise from the lack of knowledge in the control of process parameters. The results are frequently uneven and un¬predictable variations in the structure and properties of the final foamed parts are observed. This paper aims to investigate the effect of different para¬meters of the powder metallurgy with foaming agents process on the foaming efficiency. The parameters examined included the powder morpho¬logy, the compaction pressure and the foaming temperature. During the foaming stage, for each set of parameters the porosity-time (Pf-t) diagrams were created and the foaming efficiency was calculated (?=Pfmax). Results indicated that the highest foaming efficiency was observed at the specimens with the fine alu¬min¬ium powder, with high (700 MPa) compaction pressure and high foaming temperatures (800 oC). Finally, compression tests were per¬formed on the foamed specimens with the higher foaming efficiency in order to investigate their s-e response. Furthermore, average compressive strength and density were estimated and presented |
| format | Article |
| id | doaj-art-b231823fff7645c9a1ede90684ee536f |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2019-10-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-b231823fff7645c9a1ede90684ee536f2025-01-02T23:37:42ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932019-10-01135049750410.3221/IGF-ESIS.50.4110.3221/IGF-ESIS.50.41Metal foaming by powder metallurgy process: investigation of different parameters on the foaming efficiencyIoannis PapantoniouHelena P. KyriakopoulouDimitrios I. PantelisDimitrios E. ManolakosAluminium foams, produced by powder metallurgy process, have significant potential applications for uses in weight-sensitive structural parts. Problems in the production of metal foams arise from the lack of knowledge in the control of process parameters. The results are frequently uneven and un¬predictable variations in the structure and properties of the final foamed parts are observed. This paper aims to investigate the effect of different para¬meters of the powder metallurgy with foaming agents process on the foaming efficiency. The parameters examined included the powder morpho¬logy, the compaction pressure and the foaming temperature. During the foaming stage, for each set of parameters the porosity-time (Pf-t) diagrams were created and the foaming efficiency was calculated (?=Pfmax). Results indicated that the highest foaming efficiency was observed at the specimens with the fine alu¬min¬ium powder, with high (700 MPa) compaction pressure and high foaming temperatures (800 oC). Finally, compression tests were per¬formed on the foamed specimens with the higher foaming efficiency in order to investigate their s-e response. Furthermore, average compressive strength and density were estimated and presentedhttps://www.fracturae.com/index.php/fis/article/view/2616/2759aluminium foamfoaming processfoaming efficiencymechanical propertiesporosity |
| spellingShingle | Ioannis Papantoniou Helena P. Kyriakopoulou Dimitrios I. Pantelis Dimitrios E. Manolakos Metal foaming by powder metallurgy process: investigation of different parameters on the foaming efficiency Fracture and Structural Integrity aluminium foam foaming process foaming efficiency mechanical properties porosity |
| title | Metal foaming by powder metallurgy process: investigation of different parameters on the foaming efficiency |
| title_full | Metal foaming by powder metallurgy process: investigation of different parameters on the foaming efficiency |
| title_fullStr | Metal foaming by powder metallurgy process: investigation of different parameters on the foaming efficiency |
| title_full_unstemmed | Metal foaming by powder metallurgy process: investigation of different parameters on the foaming efficiency |
| title_short | Metal foaming by powder metallurgy process: investigation of different parameters on the foaming efficiency |
| title_sort | metal foaming by powder metallurgy process investigation of different parameters on the foaming efficiency |
| topic | aluminium foam foaming process foaming efficiency mechanical properties porosity |
| url | https://www.fracturae.com/index.php/fis/article/view/2616/2759 |
| work_keys_str_mv | AT ioannispapantoniou metalfoamingbypowdermetallurgyprocessinvestigationofdifferentparametersonthefoamingefficiency AT helenapkyriakopoulou metalfoamingbypowdermetallurgyprocessinvestigationofdifferentparametersonthefoamingefficiency AT dimitriosipantelis metalfoamingbypowdermetallurgyprocessinvestigationofdifferentparametersonthefoamingefficiency AT dimitriosemanolakos metalfoamingbypowdermetallurgyprocessinvestigationofdifferentparametersonthefoamingefficiency |