Effect of Reinforcement Fiber Arrangement on Thermal and Mechanical Properties of High Silica/Phenolic Resin Insulation Layer

Figure 11

EDS micrograph of the insulation layer: (a) the surface bonded to the throat before the test, (b) the surface bonded to throat after the test, (c) the crack before the test, and (d) the crack after the test.

(a)

(b)

(c)

(d)