Název:
Assessment of Crack Stability in a Quasi-brittle Particle Composite
Autoři:
Malíková, Lucie ; Klusák, Jan ; Keršner, Z. Typ dokumentu: Příspěvky z konference Konference/Akce: Structural and Physical Aspects of Construction Engineering /3./, Štrbské pleso (SK), 20161109
Rok:
2017
Jazyk:
eng
Abstrakt: Fracture behaviour of a crack in a particle (silicate based) composite is studied. The crack propagation depends not only on mutual elastic mismatch of matrix and aggregate but also the influence of the interfacial transition zone (ITZ) between the matrix and the aggregate is discussed. Various combinations of materials and geometry of matrix, aggregate and ITZ can improve or degrade fracture properties of the composite. Extensive numerical simulations on a basic 3-point-bending cracked specimen via the finite element method are performed in order to analyze the stress field near the crack tip. Linear elastic fracture mechanics approach is utilized in order to assess the crack stability and summarize several conclusions.
Klíčová slova:
Crack stability; Interfacial transition zone; Particle composite; Stress intensity factor Číslo projektu: GA16-18702S (CEP) Poskytovatel projektu: GA ČR Zdrojový dokument: Structural and Physical Aspects of Construction Engineering, ISSN 1877-7058
Instituce: Ústav fyziky materiálů AV ČR
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Informace o dostupnosti dokumentu:
Dokument je dostupný v příslušném ústavu Akademie věd ČR. Původní záznam: http://hdl.handle.net/11104/0277139