High temperature creep resistance development of alumina based fibers by heat treatment

Abstract EN

The behavior of alumina-oxide based fibers reinforcements for high temperature application composite materials.

These fibers suffered from a process of grain growth fabrication process and that lead to a great change of the properties of fibers.

To study these effects, we examine a commercially available (alumina) and (alumina-silica) fibers which heat treated at various temperature as annealing at 1100,1300 oC, for up to 100 hrs changes of the fiber tensile creep stress rupture with the microstructure changes together with the heat treatment was shown to be of a significant effect, especially on the alumina fiber and shows a good creep behavior (creep resistance).