- Cited by 10
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Cited byCrossref Citations
This article has been cited by the following publications. This list is generated based on data provided by CrossRef.
Yeo, Chang-Dong and Polycarpou, Andreas A. 2007. A correction to the nanoindentation technique for ultrashallow indenting depths. Journal of Materials Research, Vol. 22, Issue. 09, p. 2359.
Yeo, Chang-Dong Katta, Raja R. Lee, Jungkyu and Polycarpou, Andreas A. 2010. Effect of asperity interactions on rough surface elastic contact behavior: Hard film on soft substrate. Tribology International, Vol. 43, Issue. 8, p. 1438.
Chen, Yonghua Song, Dion Qiu, Jiaoming Kolbo, Paul Wang, Lei He, Qing Covington, Mark Stokes, Scott Sapozhnikov, Victor Dimitrov, Dimitar Gao, Kaizhong and Miller, Bradley 2010. 2 ${\hbox{Tbit/in}}^{2}$ Reader Design Outlook. IEEE Transactions on Magnetics, Vol. 46, Issue. 3, p. 697.
Vakis, Antonis I. Eriten, Melih and Polycarpou, Andreas A. 2011. Modeling Bearing and Shear Forces in Molecularly Thin Lubricants. Tribology Letters, Vol. 41, Issue. 3, p. 573.
Lee, Sungae and Yeo, Chang-Dong 2012. Microwear mechanism of head carbon film during head disk interface sliding contact. Tribology International, Vol. 45, Issue. 1, p. 30.
Lee, Sungae He, Muyang and Yeo, Chang-Dong 2014. Thermal Degradation and Burnishing Wear of Thin Carbon Film by Frictional Heat Generation. Journal of Tribology, Vol. 136, Issue. 4, p. 041603.
He, Muyang Lee, Sungae and Yeo, Chang-Dong 2015. Investigating atomic structure of thin carbon film under mechanical stress and frictional heat generation. Surface and Coatings Technology, Vol. 261, Issue. , p. 79.
Lee, Jungkyu Zhang, Youfeng Crone, Robert M. Ramakrishnan, Narayanan and Polycarpou, Andreas A. 2016. Wear Modeling of Nanometer Thick Protective Coatings. Journal of Tribology, Vol. 139, Issue. 2, p. 021601.
Humood, Mohammad Chowdhury, Shahla Song, Yixuan Tzeng, Ping Grunlan, Jaime C. and Polycarpou, Andreas A. 2016. Nanomechanical Behavior of High Gas Barrier Multilayer Thin Films. ACS Applied Materials & Interfaces, Vol. 8, Issue. 17, p. 11128.
Zhang, Youfeng Polychronopoulou, Kyriaki Humood, Mohammad and Polycarpou, Andreas A. 2017. High temperature nanotribology of ultra-thin hydrogenated amorphous carbon coatings. Carbon, Vol. 123, Issue. , p. 112.
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Nanomechanical properties of sub-10 nm carbon film overcoats using the nanoindentation technique
- Chang-Dong Yeo (a1), Andreas A. Polycarpou (a1), James D. Kiely (a2) and Yiao-Tee Hsia (a2)
- (a1)
Department of Mechanical Science and Engineering ,University of Illinois at Urbana-Champaign ,Urbana ,Illinois 61801 - (a2)
Seagate Research ,Pittsburgh ,Pennsylvania 15222 -
- DOI: https://doi.org/10.1557/jmr.2007.0007
- Published online by Cambridge University Press: 03 March 2011
Abstract
The hardness and elastic modulus of ultra thin amorphous carbon overcoat (COC) films were measured using a recently developed sub-nm nanoindentation system. The carbon overcoat film thickness was varied to be 2.5 nm, 5 nm, and 10 nm on a glass substrate with a 2 nm titanium interlayer. A very sharp indenting tip, which was a cube corner tip with a radius of 44 nm, was used for the experiments. It was found that the mechanical properties of sub-10 nm film thicknesses can be reliably measured using the sub-nm indentation system and a sharp indenting tip. As the thickness of the carbon overcoat increased, so too did the surface roughness. For all three film thickness samples, the trends of hardness and elastic modulus values with the contact depth are very similar. When the contact depth is smaller than the film thickness, the measured values of hardness and elastic modulus are higher than those of the glass substrate, and gradually decrease and then approach the values of glass substrate. When the contact depth is larger than the film thickness, the measured values approximate those of the glass substrate. The thinner film shows higher values of hardness and elastic modulus near the surface, which indicates that mechanical properties do change with film thickness and that measurements made on thicker films and extrapolated to thinner films may lead to incorrect conclusions.
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Email your librarian or administrator to recommend adding this journal to your organisation's collection.
- ISSN: 0884-2914
- EISSN: 2044-5326
- URL: /core/journals/journal-of-materials-research
- Cited by 10
-
Cited byCrossref Citations
This article has been cited by the following publications. This list is generated based on data provided by CrossRef.
Yeo, Chang-Dong and Polycarpou, Andreas A. 2007. A correction to the nanoindentation technique for ultrashallow indenting depths. Journal of Materials Research, Vol. 22, Issue. 09, p. 2359.
Yeo, Chang-Dong Katta, Raja R. Lee, Jungkyu and Polycarpou, Andreas A. 2010. Effect of asperity interactions on rough surface elastic contact behavior: Hard film on soft substrate. Tribology International, Vol. 43, Issue. 8, p. 1438.
Chen, Yonghua Song, Dion Qiu, Jiaoming Kolbo, Paul Wang, Lei He, Qing Covington, Mark Stokes, Scott Sapozhnikov, Victor Dimitrov, Dimitar Gao, Kaizhong and Miller, Bradley 2010. 2 ${\hbox{Tbit/in}}^{2}$ Reader Design Outlook. IEEE Transactions on Magnetics, Vol. 46, Issue. 3, p. 697.
Vakis, Antonis I. Eriten, Melih and Polycarpou, Andreas A. 2011. Modeling Bearing and Shear Forces in Molecularly Thin Lubricants. Tribology Letters, Vol. 41, Issue. 3, p. 573.
Lee, Sungae and Yeo, Chang-Dong 2012. Microwear mechanism of head carbon film during head disk interface sliding contact. Tribology International, Vol. 45, Issue. 1, p. 30.
Lee, Sungae He, Muyang and Yeo, Chang-Dong 2014. Thermal Degradation and Burnishing Wear of Thin Carbon Film by Frictional Heat Generation. Journal of Tribology, Vol. 136, Issue. 4, p. 041603.
He, Muyang Lee, Sungae and Yeo, Chang-Dong 2015. Investigating atomic structure of thin carbon film under mechanical stress and frictional heat generation. Surface and Coatings Technology, Vol. 261, Issue. , p. 79.
Lee, Jungkyu Zhang, Youfeng Crone, Robert M. Ramakrishnan, Narayanan and Polycarpou, Andreas A. 2016. Wear Modeling of Nanometer Thick Protective Coatings. Journal of Tribology, Vol. 139, Issue. 2, p. 021601.
Humood, Mohammad Chowdhury, Shahla Song, Yixuan Tzeng, Ping Grunlan, Jaime C. and Polycarpou, Andreas A. 2016. Nanomechanical Behavior of High Gas Barrier Multilayer Thin Films. ACS Applied Materials & Interfaces, Vol. 8, Issue. 17, p. 11128.
Zhang, Youfeng Polychronopoulou, Kyriaki Humood, Mohammad and Polycarpou, Andreas A. 2017. High temperature nanotribology of ultra-thin hydrogenated amorphous carbon coatings. Carbon, Vol. 123, Issue. , p. 112.
Google Scholar CitationsView all Google Scholar citations for this article.
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Get access
Add to cart £25.00 Added to cart An error has occurred,
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Nanomechanical properties of sub-10 nm carbon film overcoats using the nanoindentation technique
- Chang-Dong Yeo (a1), Andreas A. Polycarpou (a1), James D. Kiely (a2) and Yiao-Tee Hsia (a2)
- (a1)
Department of Mechanical Science and Engineering ,University of Illinois at Urbana-Champaign ,Urbana ,Illinois 61801 - (a2)
Seagate Research ,Pittsburgh ,Pennsylvania 15222 -
- DOI: https://doi.org/10.1557/jmr.2007.0007
- Published online by Cambridge University Press: 03 March 2011
Email your librarian or administrator to recommend adding this journal to your organisation's collection.
- ISSN: 0884-2914
- EISSN: 2044-5326
- URL: /core/journals/journal-of-materials-research
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