R. Jones et al. /Composites: Part A 30(1999)569-575 57 aperature=1200C 14 /20 MPa CG Nicalon Test Interrupted Fig. 7. Creep of behavior of SINCO matrix composites reinforced with HI Nicalon and CG Nicalon fiber Fig 9. Duct component fabricated using a 3D CG Nicalon preform and RTM test was interrupted after 130 h. The CG Nicalon composite was found to have limited life at 1200.C. More testing 4. Fabrication of prototype components ould be done to establish an upper temperature limit for the HI-Nicalon composite The versatility of the PIP process has enabled the fabrica- Research and development programs will continue to ion of a wide variety of complex shaped prototype compo understand behavior and to improve the properties of Plp nents for both aerospace and industrial applications. The opposites under corrosive conditions and at elevated processes used to fabricate these components are similar temperatures to those employed to fabricate polymer matrix composites, Fig. 8. Filament wound prototype combustor liner fabricated with CG Nicalon fibertest was interrupted after 130 h. The CG Nicalon composite was found to have limited life at 12008C. More testing should be done to establish an upper temperature limit for the HI-Nicalon composite. Research and development programs will continue to understand behavior and to improve the properties of PIP composites under corrosive conditions and at elevated temperatures. 4. Fabrication of prototype components The versatility of the PIP process has enabled the fabrica￾tion of a wide variety of complex shaped prototype compo￾nents for both aerospace and industrial applications. The processes used to fabricate these components are similar to those employed to fabricate polymer matrix composites, R. Jones et al. / Composites: Part A 30 (1999) 569–575 573 Fig. 7. Creep of behavior of SiNCO matrix composites reinforced with HI￾Nicalon and CG Nicalon fiber. Fig. 8. Filament wound prototype combustor liner fabricated with CG Nicalon fiber. Fig. 9. Duct component fabricated using a 3D CG Nicalon preform and RTM