Interactions between wear and corrosion on cast and sintered Ti-12Nb alloy in comparison with the commercial Ti-6Al-4V alloy

This work investigates the corrosion and tribocorrosion behavior of alpha + beta Ti-12Nb alloy processed by casting and sintering, in 9 g/l NaCl solution at body temperature, and compares the results with the commercial Ti-6Al-4 V alloy. Different electrochemical techniques were used to access the c...

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Bibliographic Details
Main Author: Caha, Ihsan (author)
Other Authors: Alves, Alexandra Manuela Vieira Cruz Pinto (author), Chirico, C. (author), Tsipas, S. A. (author), Rodrigues, I. R. (author), Pinto, A. M. P. (author), Grandini, C. R. (author), Rocha, L. A. (author), Gordo, E. (author), Toptan, Fatih (author)
Format: article
Language:eng
Published: 2020
Subjects:
Titanium alloys
Casting
Powder metallurgy
Corrosion
Tribocorrosion
Science & Technology
Online Access:http://hdl.handle.net/1822/71494
Country:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/71494
Description
Summary:This work investigates the corrosion and tribocorrosion behavior of alpha + beta Ti-12Nb alloy processed by casting and sintering, in 9 g/l NaCl solution at body temperature, and compares the results with the commercial Ti-6Al-4 V alloy. Different electrochemical techniques were used to access the corrosion behavior. Tribocorrosion behavior was studied at open circuit potential under continuous and intermittent sliding, and at anodic potentiostatic condition under continuous sliding. Results revealed that Ti-12Nb alloys presented similar tribocorrosion behavior although the sintered one exhibited a better corrosion behavior. Nevertheless, Ti-6Al-4 V presented better overall degradation resistance than both Ti-12Nb alloys.

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