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Elastic-plastic contact mechanics of indentations accounting for phase transformations |
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| Authors: | B. A. Galanov V. Domnich Y. Gogotsi |
| Affiliation: | (1) Institute for Problems in Materials Science, National Academy of Sciences of Ukraine, 3 Krzhizhanovski St., 03142 Kiev, Ukraine;(2) Department of Materials Science and Engineering, Drexel University, 3141 Chestnut St., 19104 Philadelphia, PA |
| Abstract: | A contact mechanics model is developed which takes into account possible phase transformations in materials induced by hydrostatic and shear stresses associated with indentation. The proposed model allows prediction of the average thickness and approximate shape of the phase transformation zone in semiconductors and ceramics under various types of diamond indenters. The results of theoretical calculation are in good agreement with the available experimental data. |
| Keywords: | Indentation contact mechanics phase transformation ceramics semiconductors high pressure |
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