Utilize este identificador para referenciar este registo: http://hdl.handle.net/1822/23217

TítuloPolymer flow dynamics in microimpressions : an experimental approach
Autor(es)Zhiltsova, T. V.
Oliveira, M. S. A.
Ferreira, J. A.
Vasco, Joel Oliveira Correia
Pouzada, A. S.
Pontes, A. J.
Palavras-chaveMicroinjection moulding
Monitoring
Polymer dynamics
DOE
DataFev-2013
EditoraElsevier
RevistaPolymer Testing
Resumo(s)The melt flow dynamics of acrylonitrile-butadiene-styrene (ABS) and polypropylene (PP) in a variable thickness microimpression was assessed by monitoring cavity temperature and pressure as relevant process parameters. A micromoulding block with a variable thickness cavity was designed, manufactured and instrumented with pressure and temperature sensors, acting as monitoring devices as well as flow position markers during filling. A full factorial design of experiment (DOE) was carried to optimize the filling of the microimpression. This study with ABS and PP suggests that mould temperature is the more important parameter for the entire micromoulding thickness range under analysis. Nevertheless, the influence of the melt temperature and the injection speed were found to depend on the micromoulding thickness and the polymer type.
Tipoarticle
DescriçãoAccepted manuscript
URIhttp://hdl.handle.net/1822/23217
ISSN0142-9418
Arbitragem científicayes
AcessorestrictedAccess
Aparece nas coleções:IPC - Artigos em revistas científicas internacionais com arbitragem

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