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Interfacial debonding alumina composites

In poorly bonded NT- Al O /epoxy composites, particles are clearly visible and the crack seems to have propagated aroimd their equator. Ihe fracture surface of nanocomposites consists of hemispherical holes (A), top surface of the debonded particles (B) and particles covered by epoxy matrix (C). The crack may propagate above or below the poles of the particles through the matrix. Interfacial debonding seen in the mirror zone is not seen in the hackle zone for treated alumina-epoxy nanocomposites. Another toughening mechanism noticed in the hackle zone is particle pullout, which is seen in both NT- Al O /epoxy nanocomposites and APTES-Al Oj/epoxy nanocomposites, whereas micro-cracking is noticed only in APTES-Al Oj/epoxy nanocomposites. [Pg.322]

See other pages where Interfacial debonding alumina composites is mentioned: [Pg.40]    [Pg.252]    [Pg.136]    [Pg.139]    [Pg.82]    [Pg.587]    [Pg.593]    [Pg.50]    [Pg.60]    [Pg.81]    [Pg.590]    [Pg.404]   
See also in sourсe #XX -- [ Pg.130 ]



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