Journal
CERAMICS INTERNATIONAL
Volume 48, Issue 13, Pages 19501-19506Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2022.03.196
Keywords
MAX phase; Abrasion; Sandblasting; Brittleness index; Glass
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Funding
- China Scholarship Council of China [201808440373]
- Germany's Federal Ministry of Education and Research (Bundesministerium fur Bildung und Forschung) under the MAXCOM project [03SF0534]
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The abrasive behavior of M2AlX MAX phase materials was found to be related to the brittleness index B, which is determined by the hardness, elastic modulus, and fracture toughness. The findings provide guidance for predicting the abrasive behavior of a wider range of brittle materials.
The abrasive behavior of M2AlX MAX phase materials (Ti2AlC, Cr2AlC, Ti2AlN) was investigated using sandblasting tests with glass beads and alumina particles. Interpretations are based on the specimens' morphologies before and after the sandblasting tests. Overall, the abrasive behavior appears to be related to the brittleness index B, which is a function of the hardness, elastic modulus and fracture toughness. An extension of the analysis to literature data for different hardened and unhardened glasses indicated that this qualitative evaluation factor B can support in the prediction of the abrasive behavior of a wider range of brittle materials.
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