Open AccessMetallic Implants: Atomic Scale Origin of Metal Ion Release from Hip Implant Taper Junctions (Adv. Sci. 5/2020)
Author(s) -
Balachandran Shanoob,
Zachariah Zita,
Fischer Alfons,
Mayweg David,
Wimmer Markus A.,
Raabe Dierk,
Herbig Michael
Publication year - 2020
Publication title -
advanced science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.388
H-Index - 100
ISSN - 2198-3844
DOI - 10.1002/advs.202070027
Subject(s) - tribocorrosion , alloy , materials science , fretting , cobalt , titanium , metallurgy , metal , titanium alloy , corrosion , chemistry , electrochemistry , electrode
In article 1903008, Shanoob Balachandran, Zita Zachariah, and co‐authors reveal the fretting corrosion mechanisms in a cobalt alloy/titanium alloy taper junction present in modular hip implants. Although the cobalt alloy is more wear resistant than the titanium alloy, microploughing phenomena on the titanium alloy surface promote tribocorrosion in the cobalt alloy, resulting in metal ion release into the body.