Mechanical properties of ultra-high pressure sintered sphene (CaTiSiO5)
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The investigation of nano-mechanical properties of sphene sintered under ultra-high pressures in the order of 4 GPa is done using indentation techniques. An indentation hardness of 6.6 GPa and reduced elastic modulus of 112.3 GPa is reported at maximum load of 7 mN. The material exhibits a high elastic recovery (similar to 59.1%) and the nature of deformation mechanism has been comprehended from the plastic work ratio. In addition, the fracture toughness of the material is also evaluated using indentation crack length method.
Кључне речи:mechanical properties / indentation / hardness / sintering
Извор:Processing and Application of Ceramics, 2016, 10, 4, 295-298
ISSN: 1820-6131 (print); 2406-1034 (electronic)