PSI - Issue 14

Manish Kumar et al. / Procedia Structural Integrity 14 (2019) 839–848 Manish Kumar et. al/ Structural Integrity Procedia 00 (2018) 000–000

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Manish Kumar et. al/ Structural Integ ity Procedia 00 (2018) 000–000

Fig. 5 : Predicted creep crack path of an ae o engine turbine disc of Inconel at 650 °C

Fig. 5 : Predicted creep crack path of an aero engine turbine disc of Inconel at 650 °C

6

6

5

5

4

4

3

3

2

2

Crack growth (mm)

Crack growth (mm)

1

1

0

0

10 0

10 1

10 0

10 2

10 1

10 3

10 2

10 3

Time (h)

Time (h)

Fig. 6 : Predicted creep crack growth in an a ro engine turbine disc of Inconel a 650 °C

Fig. 6 : Predicted creep crack growth in an aero engine turbine disc of Inconel at 650 °C

1200

1200

1050

1050

900.0

900.0

750.0

750.0

600.0

600.0

450.0

450.0

300.0

300.0

150.0

150.0

0.000

0.000

(b) (c) Fig. 7. Contour plots of von-Mises stress near crack tip in turbine disc after (a) 241.3 h (b) 1118.5 h (c) 1990.3 h (a)

(a) (c) Fig. 7. Contour plots of von-Mises stress near crack tip in turbine disc after (a) 241.3 h (b) 1118.5 h (c) 1990.3 h (b)