TY - JOUR
T1 - Fretting wear and friction reduction of CP titanium and Ti-6Al-4V alloy by ultrasonic nanocrystalline surface modification
AU - Amanov, Auezhan
AU - Cho, In Sik
AU - Kim, Dae Eun
AU - Pyun, Young Sik
N1 - Copyright:
Copyright 2012 Elsevier B.V., All rights reserved.
PY - 2012/8/25
Y1 - 2012/8/25
N2 - Application of surface modification techniques is expected to be a viable solution to mitigate fretting damage and to reduce friction. In this paper, the aim was to improve the fretting wear and friction characteristics of commercially pure titanium (CP Ti) and Ti-6Al-4V alloy by using an ultrasonic nanocrystalline surface modification (UNSM) technique. Lubricated fretting wear and friction tests were conducted with a ball-on-flat configuration on untreated and UNSM-treated specimens using silicon nitride (Si 3N 4) balls. The results showed that the fretting wear and friction coefficient characteristics of the UNSM-treated specimens were improved compared to those of the untreated specimens. Moreover, it was found that the fretting wear scar diameter and depth of the UNSM-treated specimens were smaller and shallower compared to those of the untreated specimens. Surface analysis was performed using a scanning electron microscope (SEM).
AB - Application of surface modification techniques is expected to be a viable solution to mitigate fretting damage and to reduce friction. In this paper, the aim was to improve the fretting wear and friction characteristics of commercially pure titanium (CP Ti) and Ti-6Al-4V alloy by using an ultrasonic nanocrystalline surface modification (UNSM) technique. Lubricated fretting wear and friction tests were conducted with a ball-on-flat configuration on untreated and UNSM-treated specimens using silicon nitride (Si 3N 4) balls. The results showed that the fretting wear and friction coefficient characteristics of the UNSM-treated specimens were improved compared to those of the untreated specimens. Moreover, it was found that the fretting wear scar diameter and depth of the UNSM-treated specimens were smaller and shallower compared to those of the untreated specimens. Surface analysis was performed using a scanning electron microscope (SEM).
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U2 - 10.1016/j.surfcoat.2012.06.046
DO - 10.1016/j.surfcoat.2012.06.046
M3 - Article
AN - SCOPUS:84865741980
VL - 207
SP - 135
EP - 142
JO - Surface and Coatings Technology
JF - Surface and Coatings Technology
SN - 0257-8972
ER -