Abstract
Nano-indentation and nano-scratch tests are appropriate methods for measuring the mechanical and tribological properties of bulk samples, thin films and coatings. Using nano-scale tests, numerous properties like modulus of elasticity, hardness, fracture toughness, elastic–plastic behavior and wear resistance can be obtained. Macro-scale tests are conventional methods for determining the mechanical properties of biomaterials, but they are often expensive and require rather large test samples. In this article, the mechanical and tribological properties of hand-mixed and vacuum-mixed bone cements and a dental nano-composite determined by using nano-indentation and nano-scratch tests will be described and discussed. It is shown that bone cement mixed using the vacuum mixing exhibits significantly improved mechanical and tribological properties compared with the hand-mixed bone cement. Moreover, it is demonstrated that thermocycling affect the mechanical properties of dental nano-composite considerably.
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Karimzadeh, A., Ayatollahi, M.R. (2014). Mechanical Properties of Biomaterials Determined by Nano-Indentation and Nano-Scratch Tests. In: Tiwari, A. (eds) Nanomechanical Analysis of High Performance Materials. Solid Mechanics and Its Applications, vol 203. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6919-9_10
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DOI: https://doi.org/10.1007/978-94-007-6919-9_10
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