Research on Blade-Casing Rub-Impact Mechanism by Experiment and Simulation in Aeroengines

Table 2

Material parameters in the FE model of blade-casing system.

Structure	Density (kg/m^3)	Elastic modulus (Pa)	Poisson ratio	Yield stress (Pa)	Tangent modulus
Blade	7870	2.05 × 10^11	0.33	8.00 × 10^8	0.95 × 10^8
Casing	8240	1.99 × 10^11	0.30	8.68 × 10^8	1.12 × 10^8