Large-scale interfacial damage and residual stresses in a glassceramic matrix composite
| dc.contributor.author | Dassios, K. G. | en |
| dc.contributor.author | Matikas, T. E. | en |
| dc.date.accessioned | 2015-11-24T17:35:19Z | |
| dc.date.available | 2015-11-24T17:35:19Z | |
| dc.identifier.issn | 0927-6440 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/14110 | |
| dc.rights | Default Licence | - |
| dc.subject | ceramicmatrix composites | en |
| dc.subject | interface | en |
| dc.subject | residual stresses | en |
| dc.subject | mechanical testing | en |
| dc.subject | woven c/sic composite | en |
| dc.subject | glass | en |
| dc.subject | behavior | en |
| dc.title | Large-scale interfacial damage and residual stresses in a glassceramic matrix composite | en |
| heal.abstract | The current work is concerned with the micro-mechanics of fracture of a SiC-fiber-reinforced barium osumilite (BMAS) ceramic matrix composite tested under both monotonic and cyclic tension. The double-edge notch (DEN) specimen configuration was employed in order to confine material damage within a predefined gage length. The imposition of successive loops of unloading to complete load relaxation and subsequent reloading were found to result in an increase by 20% in material strength as compared to pure tension; the finding is attributed to energy dissipation from large-scale interfacial debonding phenomena that dominated the post-elastic mechanical behavior of the composite. Cyclic loading also helped establish the axial residual stress state of the fibers in the composite, of tensile nature, via a well-defined common intersection point of unloadingreloading cycles. An approach consisting of the application of a translation vector in the stressstrain plane was successfully used to derive the residual stress-free properties of the composite and reconcile the scatter noted in elastic properties of specimens with respect to theoretical expectations. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | Doi 10.1080/15685543.2012.762730 | - |
| heal.identifier.secondary | <Go to ISI>://000315188600005 | - |
| heal.journalName | Composite Interfaces | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2012 | - |
| heal.publisher | Taylor & Francis | en |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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