Research Article

Constitutive Model and Deformation Characteristics of a Throat Insert Made of the C/C Composite

Table 2

Performance parameters of nozzle materials.

ComponentThroat insertDivergent sectionBack wallConvergent sectionShell

MaterialAxial braided C/CCarbon cloth windingHigh silicon oxygen cloth windingCarbon Fiber molding30CrMnSiA
Modulus GPaJones-Nelson12.21710.8210
Poisson ratio0.10.120.10.3
1.951.451.651.47.8
Specific heat (J/(kg·K))21009208501000473
Thermal conductivity (W/(m·K))8510.61.550
14.2121013