Z b) Fig. 13.(a) The geometry of the CMC illustrated in a Cartesian coordinate:( b) the top surface(viewed in Z-direction);(c)the cross-section (viewed in X- and Y-directions)of the as-received composite. C BE(ev) Fig. 14. XPS survey spectrum of the as-received composite:(a) first satellite of Al(2s);(b)Si(2p) signal from Nextel-720 fiber; (c) second satellite of Al(2s)Fig. 13. (a) The geometry of the CMC illustrated in a Cartesian coordinate; (b) the top surface (viewed in Z-direction); (c) the cross-section (viewed in X- and Y-directions) of the as-received composite. Fig. 14. XPS survey spectrum of the as-received composite: (a) first satellite of Al(2s); (b) Si(2p3 ) signal from Nextel-720 fiber; (c) second satellite of Al(2s)