4.6 Article

Nano-mechanical behavior of MnTiO3 ceramics

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MATERIALS LETTERS
卷 246, 期 -, 页码 49-51

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ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2019.03.026

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Ceramics; X-ray techniques; Microstructure; Nanoindentation; Hardness; Elastic modulus

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Here we investigate the mechanical behavior of the MnTiO3 ceramic. Nanoindentation tests on a manganese titanate polycrystalline sample were performed using a Berkovich indenter with a tip radius of 150 nm. On applying the load, it shows the elastic and plastic behavior. The work done during the elastic and plastic processes are 16,757 +/- 120 mu N.nm and 10,045 +/- 120 mu N.nm, respectively. The estimated values of reduced modulus and hardness are 158 +/- 8 GPa and 10.5 +/- 2 GPa, respectively. This suggests that this compound exhibits a significant plastic character. (C) 2019 Elsevier B.V. All rights reserved.

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