Fracture surface analysis of ABS samples printed by the FDM method
Carregando...
Data
Data de publicação:
2019
Orientador
Título da Revista
ISSN da Revista
Título do Volume
É parte de
É parte de
É parte de
É parte de
BRAZIL MRS MEETING, 18th
Exportar
Resumo
FDM (Fused Deposition Modeling) is one of the most used technique in additive
manufacturing (AM). It can be summarized as printing small components through
a heated thermoplastic filament, which is deposited layer by layer through a 3D
printer. The print head can be programmed to perform the job in different
directions (X, Y and Z) even with predetermined slopes.
In this work, flat tensile specimens were prepared in different directions using an
ABS (Acrylonitrile-Butadiene-Styrene) filament with a processing temperature
between 210-225 ° C. After tensile tests, the fracture surfaces were analyzed to
get a better understanding of the deformation and fracture processes. The crosssection
view of specimen´s morphology was examined with a scanning electron
microscope at a very low accelerating voltage (1 kV). The specimens were coated
with gold using a sputtering system.
The specimens that showed the smaller ultimate strength (named V-specimen)
presented numerous large cavities in its microstructure suggesting that these
voids may have a major contribution to the mechanical performance of the
material.The fracture surface also shows a possible pull-out between layers
indicating a weak point in the microstructure of the built sample that’s requires
further investigation.
Como referenciar
LOBO, RAQUEL de M.; MORCELLI, APARECIDO E.; BREDA, FRANCISCO J.; CASTAGNET, MARIANO; ANDRADE, ARNALDO H.P. de. Fracture surface analysis of ABS samples printed by the FDM method. In: BRAZIL MRS MEETING, 18th, September 22-26, 2019, Balneário Camburiú, SC. Abstract... São Carlos, SP: Aptor Software, 2019. p. 2567-2567. Disponível em: http://repositorio.ipen.br/handle/123456789/31039. Acesso em: 26 Apr 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.