Corrosion resistance of three austenitic stainless steels for biomedical applications
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Materials and Corrosion
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Resumo
The resistance to localized corrosion of three austenitic stainless
steels (SS), specifically the ASTM F-138 which is widely used in
several biomedical applications, the DIN 1.4460 high N, and the
DIN 1.4970 was investigated in this study by electrochemical
techniques including potentiodynamic polarization and electrochemical impedance spectroscopy measurements in a phosphatebuffered solution. The DIN 1.4460 high N and the DIN 1.4970
were tested in this study for the reason they do not form any
ferromagnetic phases, such as delta-ferrite or martensite, although
these phases might be formed in the first type of SS. Although all the
three SS tested are prone to localized attack, the DIN 1.4460 high N
presented the highest corrosion resistance among the SS followed
by the DIN 1.4970 and finally the ASTM F-138. Shallower and
smaller pits were formed on the DIN 1.4970 compared to the ASTM
F-138 SS.
Como referenciar
TERADA, M.; ANTUNES, R.A.; PADILHA, A.F.; COSTA, I. Corrosion resistance of three austenitic stainless steels for biomedical applications. Materials and Corrosion, v. 58, n. 10, p. 762-766, 2007. DOI: 10.1002/maco.200704070. Disponível em: http://repositorio.ipen.br/handle/123456789/5137. Acesso em: 30 Dec 2025.
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.