Journal article
Dynamic strength and fragmentation of highly oriented Ti3SiC2 under multiaxial compression
Journal of the European Ceramic Society, v 45(3), 116994
Mar 2025
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
MAX phases are distinguished by their unique kink band formation, a distinct deformation mechanism in layered materials. This study explores the influence of global grain orientation c-axis, strain rate, and stress state on the compressive response of highly oriented Ti3SiC2 through experimental methods. A Kolsky (or split-Hopkinson) bar is employed to evaluate the dynamic compressive response under uniaxial and biaxial (planar confinement) conditions under 102 s−1 strain rate. Macroscopic ultra-high-speed visualization during loading and microscopic post-mortem fractography reveal that confinement states significantly impact both macroscopic failure patterns and microscopic fracture mechanisms. Notably, biaxial loading with dynamic load edge-on to the grains and 80 MPa planar confinement along the layers resulted in the highest dynamic compressive strength observed (1636 ± 136 MPa), a 66 % increase compared to the unconfined uniaxial dynamic condition. The planar confinement appears to delay crack propagation and enhance inelastic deformation.
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Details
- Title
- Dynamic strength and fragmentation of highly oriented Ti3SiC2 under multiaxial compression
- Creators
- Xingyuan Zhao - Department of Mechanical Engineering, Colorado School of Mines, Golden, CO, 80401, USAMaxim Sokol - Drexel University, Materials Science and EngineeringMichel W. Barsoum - Drexel University, Materials Science and EngineeringLeslie Lamberson - Department of Mechanical Engineering, Colorado School of Mines, Golden, CO, 80401, USA
- Publication Details
- Journal of the European Ceramic Society, v 45(3), 116994
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:001350858800001
- Scopus ID
- 2-s2.0-85208072538
- Other Identifier
- 991021930906104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Ceramics