Comparison of the Physicochemical Properties of Carboxylic and Phosphonic Acid Self-Assembled Monolayers Created on a Ti-6Al-4V Substrate.
Ti-6Al-4V alloy
adhesion
carboxylic/phosphonic acid
friction
nano-/microtribology
Journal
Materials (Basel, Switzerland)
ISSN: 1996-1944
Titre abrégé: Materials (Basel)
Pays: Switzerland
ID NLM: 101555929
Informations de publication
Date de publication:
14 Nov 2020
14 Nov 2020
Historique:
received:
12
10
2020
revised:
09
11
2020
accepted:
11
11
2020
entrez:
18
11
2020
pubmed:
19
11
2020
medline:
19
11
2020
Statut:
epublish
Résumé
This study compared the tribological properties in nano- and millinewton load ranges of Ti‑6Al-4V surfaces that were modified using self-assembled monolayers (SAMs) of carboxylic and phosphonic acids. The effectiveness of the creation of SAMs with the use of the liquid phase deposition (LPD) technique was monitored by the contact angle measurement, the surface free energy (SFE) calculation, X-ray photoelectron spectroscopy (XPS), and Fourier-transform infrared spectroscopy (FTIR) measurements. The obtained results indicated that more stable and well-ordered layers, which were characterized by the lowest values of the coefficient of friction, adhesion, and wear rate, were obtained using phosphonic acid as a surface modifier. Based on the obtained results, it was found that the Ti-6Al-4V alloy modified by phosphonic acid would be the most advantageous for practical applications, especially in micro- and nanoelectromechanical systems (MEMS/NEMS).
Identifiants
pubmed: 33202592
pii: ma13225137
doi: 10.3390/ma13225137
pmc: PMC7698310
pii:
doi:
Types de publication
Journal Article
Langues
eng
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