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Using Thermomechanical Treatment to Improve the Mechanical Properties of Silicon and Silicon-Based Ceramics

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Abstract:

Preliminary mechanical loading at a temperature close to the ductile-brittle transition temperature leads to stress relaxation near cracks in brittle materials due to local plastic deformation at microcrack tips. As a result, such preloading increases the physical and mechanical properties of ceramic materials when tested at room temperature. In the present work, this phenomenon is investigated for silicon and silicon-based ceramics. A thermomechanical treatment (TMT) method of the mentioned materials has been developed to increase their strength and fracture toughness.

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Periodical:

Materials Science Forum (Volume 1178)

Pages:

103-110

DOI:

https://doi.org/10.4028/p-p1h1Fy

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Online since:

February 2026

Authors:

Victor Goncharuk*, Irina Goncharova, Alex Golubenko, Ihor Voskoboinik, Mykola Iefimov, Vadym Tsivilitsin

Keywords:

Covalent Crystals, Crack, Mechanical Properties, Preliminary Loading, Relaxation Stress, Silicon

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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