Shot peening surface treatment effect in 316L stainless steel surface modification
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2019
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BRAZIL MRS MEETING, 18th
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Resumo
Stainless steel 316L (low carbon) is the most widely used steel as biomaterial.
This metal has low toughness, so metallic implants are prone to wear [1]. Residual
compressive stress and surface toughness increase can improve materials life
fatigue, as a tough layer prevents plastic deformation. Materials failure, as fatigue
and wear, are related to materials surface properties and structure [1]. Shot
peening is a mechanical surface treatment in which many small spheres are
accelerated and blasted in materials surface to promote impacts with sufficient
energy to generate plastic deformation. The main aim of this technique is to
induce residual compressive stress on materials surface, increasing wear
properties and toughness. Surgical implants are submitted to this treatment to
generate surface roughness increase for better adhesion too [2]. In this work,
shot peening was performed using four different conditions to verify the effect on
surface modification. Microscope techniques, x-ray diffraction, residual stress,
toughness and roughness measurements were used to validate the tests. In
conclusion, shot peening is an effective surface treatment to induce residual
stress and increase roughness and toughness in 316L stainless steel.
Como referenciar
RIBEIRO, ELOANA P.; FARNEZE, STELLA K.; COUTO, ANTONIO A. Shot peening surface treatment effect in 316L stainless steel surface modification. In: BRAZIL MRS MEETING, 18th, September 22-26, 2019, Balneário Camburiú, SC. Abstract... São Carlos, SP: Aptor Software, 2019. p. 216-216. Disponível em: http://repositorio.ipen.br/handle/123456789/31049. Acesso em: 24 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.