Utilize este identificador para referenciar este registo:
https://hdl.handle.net/10316/107146
Título: | Mechanical Characterization of Different Aluminium Foams at High Strain Rates | Autor: | Amaro, Ana M. Neto, Maria A. Cirne, José S. Reis, Paulo N. B. |
Palavras-chave: | aluminium foams; high strain rates; Split Hopkinson pressure bar (SHPB); mechanical properties | Data: | 1-Mai-2019 | Editora: | MDPI | Projeto: | UID/EMS/00285/2013 | Título da revista, periódico, livro ou evento: | Materials | Volume: | 12 | Número: | 9 | Resumo: | Samples having nominal compositions of AlSi12 and Al6082-T4 were prepared using a lost wax casting process, with nominal relative densities of 20%, 40%, and 60%, as well as arrangements of a uniform cell structure (US) or a dual-size cell (DS). For comparison, samples of aluminium foam-filled tubes having the same nominal composition were also prepared with the same technique, with nominal relative densities of 20% and similar arrangements (US and DS). Impact tests at different velocities were performed using a split Hopkinson pressure bar (SHPB). It is possible to conclude that Al6082-T4 foams have better performance, in both configurations, than the AlSi12 ones. Considering a uniform cell structure and a density of 20%, the absorbed energy by the Al6082-T4 foams was around 25% higher than the value observed for the AlSi12 ones. In terms of arrangement, the US structure presents absorbed energy around 57% lower than the DS ones, while the AlSi12 foams with a relative density of 20% were compared. Finally, the absorbed energy growths from 2.8 × 105 to 5.2 × 105 J/m3, when the density increased from 20% to 60%. However, when these foams were involved with a tube, the performances increased substantially. | URI: | https://hdl.handle.net/10316/107146 | ISSN: | 1996-1944 | DOI: | 10.3390/ma12091428 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Eng.Mecânica - Artigos em Revistas Internacionais I&D CEMMPRE - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
---|---|---|---|---|
Mechanical-characterization-of-different-aluminium-foams-at-high-strain-ratesMaterials.pdf | 4.07 MB | Adobe PDF | Ver/Abrir |
Citações SCOPUSTM
16
Visto em 6/mai/2024
Citações WEB OF SCIENCETM
15
Visto em 2/mai/2024
Visualizações de página
48
Visto em 7/mai/2024
Downloads
12
Visto em 7/mai/2024
Google ScholarTM
Verificar
Altmetric
Altmetric
Este registo está protegido por Licença Creative Commons