Tribological properties, corrosion resistance and biocompatibility of magnetron sputtered titanium-amorphous carbon coatings

Vishnu Shankar Dhandapani, Ramesh Subbiah, Elangovan Thangavel, Madhankumar Arumugam, Kwideok Park, Zuhair M. Gasem, Veeravazhuthi Veeraragavan, Dae Eun Kim

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Amorphous carbon incorporated with titanium (a-C:Ti) was coated on 316L stainless steel (SS) by magnetron sputtering technique to attain superior tribological properties, corrosion resistance and biocompatibility. The morphology, topography and functional groups of the nanostructured a-C:Ti coatings in various concentrations were analyzed using atomic force microscopy (AFM), Raman, X-Ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM). Raman and XPS analyses confirmed the increase in sp 2 bonds with increasing titanium content in the a-C matrix. TEM analysis confirmed the composite nature of the coating and the presence of nanostructured TiC for Ti content of 2.33 at.%. This coating showed superior tribological properties compared to the other a-C:Ti coatings. Furthermore, electrochemical corrosion studies were performed against stimulated body fluid medium in which all the a-C:Ti coatings showed improved corrosion resistance than the pure a-C coating. Preosteoblasts proliferation and viability on the specimens were tested and the results showed that a-C:Ti coatings with relatively high Ti (3.77 at.%) content had better biocompatibility. Based on the results of this work, highly durable coatings with good biocompatibility could be achieved by incorporation of optimum amount of Ti in a-C coatings deposited on SS by magnetron sputtering technique.

Original languageEnglish
Pages (from-to)262-274
Number of pages13
JournalApplied Surface Science
Volume371
DOIs
Publication statusPublished - 2016 May 15

Fingerprint

Amorphous carbon
Titanium
Biocompatibility
Corrosion resistance
Coatings
Stainless Steel
Magnetron sputtering
Stainless steel
X ray photoelectron spectroscopy
Transmission electron microscopy
Electrochemical corrosion
Body fluids
Topography
Functional groups
Atomic force microscopy
Composite materials

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Dhandapani, Vishnu Shankar ; Subbiah, Ramesh ; Thangavel, Elangovan ; Arumugam, Madhankumar ; Park, Kwideok ; Gasem, Zuhair M. ; Veeraragavan, Veeravazhuthi ; Kim, Dae Eun. / Tribological properties, corrosion resistance and biocompatibility of magnetron sputtered titanium-amorphous carbon coatings. In: Applied Surface Science. 2016 ; Vol. 371. pp. 262-274.
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Tribological properties, corrosion resistance and biocompatibility of magnetron sputtered titanium-amorphous carbon coatings. / Dhandapani, Vishnu Shankar; Subbiah, Ramesh; Thangavel, Elangovan; Arumugam, Madhankumar; Park, Kwideok; Gasem, Zuhair M.; Veeraragavan, Veeravazhuthi; Kim, Dae Eun.

In: Applied Surface Science, Vol. 371, 15.05.2016, p. 262-274.

Research output: Contribution to journalArticle

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AU - Dhandapani, Vishnu Shankar

AU - Subbiah, Ramesh

AU - Thangavel, Elangovan

AU - Arumugam, Madhankumar

AU - Park, Kwideok

AU - Gasem, Zuhair M.

AU - Veeraragavan, Veeravazhuthi

AU - Kim, Dae Eun

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AB - Amorphous carbon incorporated with titanium (a-C:Ti) was coated on 316L stainless steel (SS) by magnetron sputtering technique to attain superior tribological properties, corrosion resistance and biocompatibility. The morphology, topography and functional groups of the nanostructured a-C:Ti coatings in various concentrations were analyzed using atomic force microscopy (AFM), Raman, X-Ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM). Raman and XPS analyses confirmed the increase in sp 2 bonds with increasing titanium content in the a-C matrix. TEM analysis confirmed the composite nature of the coating and the presence of nanostructured TiC for Ti content of 2.33 at.%. This coating showed superior tribological properties compared to the other a-C:Ti coatings. Furthermore, electrochemical corrosion studies were performed against stimulated body fluid medium in which all the a-C:Ti coatings showed improved corrosion resistance than the pure a-C coating. Preosteoblasts proliferation and viability on the specimens were tested and the results showed that a-C:Ti coatings with relatively high Ti (3.77 at.%) content had better biocompatibility. Based on the results of this work, highly durable coatings with good biocompatibility could be achieved by incorporation of optimum amount of Ti in a-C coatings deposited on SS by magnetron sputtering technique.

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