Table 1 Material properties of six end-teeth connect structures and the equivalent model.

From: Investigation on rub-impact response characteristics of gas generator rotor system under external excitation

Name

Material

Elastic modulus (GPa)

Density (kg/m3)

Poisson’s Ratio

C1

TC4

109

4440

0.34

C1(Equivalent ring)

--

73.80

4401.07

0.3

C2

TC4

109

4440

0.34

C2(Equivalent ring)

--

68.64

4347.21

0.3

C3

TC11

123

4480

0.33

C3(Equivalent ring)

--

72.93

4366.70

0.3

C4

GH4720Li

225

8140

0.35

C4(Equivalent ring)

--

155.76

6130.61

0.3

C5

GH4720Li

225

8140

0.35

C5(Equivalent ring)

--

220.38

7906.39

0.3

C6

GH4720Li

225

8140

0.35

C6(Equivalent ring)

--

211.66

7886.85

0.3