Journal article
Dynamic fracture behavior of a MAX phase Ti3SiC2
Engineering fracture mechanics, v 169
Jan 2017
Abstract
Due to their layered structure, MAX phase ternary carbides and nitrides exhibit unique mechanical properties between their metal and ceramic constituent materials. Pre-cracked coupons of MAX phase Ti3SiC2 were impacted at 4m/s, and high-speed imaging, combined with digital image correlation (DIC), captured full-field displacement data during loading and subsequent fracture. An over-deterministic least squares analysis was used to extract dynamic anisotropic mixed-mode stress intensity factors (SIFs). Critical Mode I (opening) SIFs at initiation are comparable to quasi-static fracture values in the literature averaging 6.9MPam1/2, but SIFs increase 20% during propagation, with increased crack tip sliding behavior influenced by inherent mesoscale toughening mechanisms.
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Details
- Title
- Dynamic fracture behavior of a MAX phase Ti3SiC2
- Creators
- L. Shannahan - Drexel UniversityM.W. Barsoum - Drexel UniversityL. Lamberson - Drexel University
- Publication Details
- Engineering fracture mechanics, v 169
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000392035000004
- Scopus ID
- 2-s2.0-84997525173
- Other Identifier
- 991019168999004721
InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Web of Science research areas
- Mechanics