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Injection overmolding of polymer-metal hybrid structures: A review

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Autor(es):
Vasconcelos, Rayana L. L. ; Oliveira, Gean H. M. ; Amancio-Filho, Sergio T. T. ; Canto, Leonardo B. B.
Número total de Autores: 4
Tipo de documento: Artigo Científico
Fonte: POLYMER ENGINEERING AND SCIENCE; v. N/A, p. 32-pg., 2023-01-11.
Resumo

Polymer-metal hybrid (PMH) structures, also known as metal-polymer hybrid (MPH) structures, have received considerable attention from industry and academia due to the societal need for developing strong, lightweight, and durable structures for several applications in strategic areas, such as transportation, household appliances, energy, and biomedical devices. Injection overmolding is an advantageous technique for manufacturing PMH structures as it combines automation, a fast process, cost efficiency, and dimensional accuracy. This review presents a comprehensive discussion of recent advances reported in the literature concerning PMH structures fabricated by direct-adhesion injection overmolding. Following a general introduction, the fundamentals of the injection overmolding technique are presented. Next, the potential of some metal surface preparation methods to ensure good adhesion, and thus outstanding mechanical performance in injection overmolded PMH structures is discussed. Correlations are then made between metal surface features, processing parameters, and the mechanical strength of injection overmolded polymer-metal joints. Some applications of injection overmolded PMH structures are explored, and, lastly, the main conclusions and prospects on the use of injection overmolding are presented. (AU)

Processo FAPESP: 18/24051-7 - Processamento e caracterização de juntas híbridas obtidas por moldagem por injeção de policarbonato (PC) sobre inserto metálico de AA6061-T6
Beneficiário:Jéssica Marinho Oliveira Silva
Modalidade de apoio: Bolsas no Brasil - Iniciação Científica
Processo FAPESP: 18/24296-0 - Moldagem por injeção de juntas híbridas polímero-metal
Beneficiário:Leonardo Bresciani Canto
Modalidade de apoio: Auxílio à Pesquisa - Regular
Processo FAPESP: 19/17416-1 - Avaliação do potencial da técnica de texturização superficial por feixe de elétrons como método alternativo de melhoria da resistência interfacial de juntas híbridas de policarbonato e liga de alumínio aa6061-t6 sobremoldadas por injeção com adesão direta
Beneficiário:Jéssica Marinho Oliveira Silva
Modalidade de apoio: Bolsas no Exterior - Estágio de Pesquisa - Iniciação Científica