The use of miniaturized samples to determine mechanical properties of materials
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2022
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BRAZIL MRS MEETING, 20th
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The caracterization of irradiated materials through the SPT (Small Punch Test) technique
uses miniaturized samples, with 8 mm in diameter and 0.5 mm in thickness, which has fixed
edges, pressed by a sphere that has a diameter d=2.5 mm[1], tested in convencional
mechanical testing machines, with the aid of a device developed for their achivement. This
tecnique developed for nuclear industry can be used where conventional methods do not
apply because it is considered an almost “non-destructive” method[2]due to the small sample
volume. In this work two different devices were developed to perform tests at room and sub-zero
temperature. The SPT tests will be carried out on standardized nuclear materials
unirradiated (ferritic and stainless steels) for later correlation with conventional mechanical
tests. Several mechanical properties will be obtained such as yield stress, tensile strength
and fracture properties of the materials such as its toughness.
Como referenciar
LOBO, RAQUEL de M.; CASTAGNET, MARIANO; MIRANDA, CARLOS A. de J.; LIMA, JOSE R. de; FALOPPA, ALTAIR A.; MATTAR NETO, MIGUEL; PEREIRA, LETICIA dos S.; ANDRADE, ARNALDO H.P. de. The use of miniaturized samples to determine mechanical properties of materials. In: BRAZIL MRS MEETING, 20th, September 25-29, 2022, Foz do Iguaçu, PR. Abstract... São Carlos, SP: Aptor Software, 2022. Disponível em: http://repositorio.ipen.br/handle/123456789/33563. Acesso em: 20 Mar 2026.
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.