Elastic Modulus of Coatings by Pendulum Impact Test
Keywords:
coatings, elastic modulus, pendulum impact test
Abstract
The pendulum impact scratch device with high precision system in measuring normal and tangential forces during scratching has been used to study elastic modulus of coatings. The criterion for evaluation of elastic modulus of coating and its experimental principle have been described and a series SiC and SiN thin films coated by PNCVD have been tested. The test results indicate that elastic modulus of SiC coatings has a good line relationship with Si content and there is a peak value in middle Si content. The experimental results also show that the newly developed device is useful in the evaluation of elastic modulus of coating especially under dynamic state and the method is characterised by reliability, validity and simplicity.
References
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[2]. V. B. John - Introduction to engineering materials, Macmillan Publishing Company, New York, 1983.
[3]. E. G. Herbert - Measuring the elastic modulus and residual stress of freestanding thin films using nanoindentation techniques. Journal of Materials Research, 24 (9), 2009, p. 2974-2985.
[4]. B. Lamy - Effect of brittleness index and sliding speed on the morphology of surface scratching in abrasive or erosive processes, Tribol. Int., 17 (1), 1984, p. 35-38.
[5]. Y. N. Liang, S. Z. Li, S. Li, et al. - Some developments for single-pass pendulum scratching. Wear, 199, 1996, p. 66-73.
[6]. Y. N. Liang, S. Z. Li, S. Li - Evaluation of abradability of porous seal materials in a single pendulum scratch device, Wear, 177, 1994, p. 167-173.
[7]. Anstis G. R., Chantikul P., Lawn B. R., Marshall D. B. - A Critical Evaluation of Indentation Techniques for Measuring Fracture Toughness: Ⅰ, J. Am. Ceram. Soc., 64 (9), 1981, p. 533-538.
[8]. J. Menčík, E. Quandt - Determination of elastic modulus of thin films and small specimens using beam bending methods. J. Mater. Res., 14 (5), 1999, p. 2152-2161.
[9]. L. R. Katipelli, A. Agarwal, N. B. Dahotre - Appl. Surf. Sci., 153, 2000, p. 65-78.
[10]. P. Mani, F. Aubert, H .Mercier, C. Khodja, Berthier, P. Houdy - Surf. Coat. Technol., 194, 2005, p. 190-195.
[11]. V. Spassov - Alloying a hard phase with a solid lubricant: anapproach concept for hard, self-lubricating CVD coatings for tribological applications, PhD thesis, Faculty of Natural Sciences, University of Basel, Basel, Switzerland, 2009.
[12]. D.-J. Kim, J.-Y. Kang, A. Nasonova, K.-S. Kim, S.-J. Choi - Korean J. Chem. Eng., 24, (1), 2007, p. 154-164.
[13]. A. Rouzaud, E. Barbier, J. Ernoult, E. Quesnel - A method for elastic modulus measurements of magnetron aputtered, thin films dedicated to mechanical application, Thin Solid Films, 270, 1995, p. 270-274.
Published
2014-03-15
How to Cite
1.
CONSTANTINESCU S. Elastic Modulus of Coatings by Pendulum Impact Test. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Mar.2014 [cited 7May2024];37(1):19-3. Available from: https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/2595
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