Creep deformation of whisker-reinforced alumina

Creep Mechanisms in Multiphase Ceramic Materials

“…Most of the creep studies of particulate-reinforced ceramics to date involve the use of whiskers, most commonly incorporating SiC whiskers into an Al 2 O 3 , [24][25][26][28][29][30][31][32][33][34][35][36][37][38][40][41][42][43][44][45]147,164,165 Al 2 O 3 -ZrO 2 , 51,52 or mullite 46 matrix. The shape of the creep curves show more curvature than for pure Al 2 O 3 with a moreextensive primary creep regime and some tertiary creep.…”

Anelastic Behavior Modeling of SiC Whisker‐Reinforced Al2O3

“…[8][9][10][11] However, from the systematic experimental work done by Quan, 28 due to the micrometer scale of whiskers and the small deformation, no observable bending of SiC whiskers were captured, which is consistent with the work of other researchers. 6,7 Moreover, the expected broadening of the diffraction peak, due to nonuniform microstrains introduced by whisker bending (theoretically predicted by the model), was not observed from neutron diffraction experimental data. Thereupon, Quan proposed that the local Hertzian contact deformation between whiskers instead, might be responsible for the anelastic recovery.…”

Review on Creep Analysis and Solved Problems

“…It was shown that the computed back stress can fully explain the observations and reproduce both creep curves and results for slow strain rate tensile tests [64]. Also, the creep behavior of alumina has been investigated [65][66][67][68][69][70][71][72][73][74][75][76][77]. There are numerous instances of the structural application of GFRP in the construction of buildings and bridges [78,79].…”