PSI - Issue 14

Manojakumar Chimmat et al. / Procedia Structural Integrity 14 (2019) 746–757 Author name / Structural Integrity Procedia 00 (2018) 000 – 000

754

9

b)

Gri t blasted

129.8 129.85 129.9 129.95 130 130.05 130.1

2θ

0

0.2

0.4

0.6

0.8

Sin 2 ψ

Fig. 10 Representative plot of 2θ v s sin 2 ψ taken from CoCrMo Cube, a) as printed, b) grit blasted

400

b)

a)

Heat treated

As printed and grit blasted

100 200 300

200

0

Top

Bottom XZ

YZ

-400 -300 -200 -100 0

Top

Bottom XZ

YZ

-200

-400

Residual Stress (MPa)

Residual Stress (MPa)

As printed Grit blasted

950°C 1050°C 1150°C

-600

Fig. 11. Residual stress on, a) as printed and grit blasted CoCrMo Cube and b) Heat treated CoCrMo Cube

Fig. 12. Residual stress measured at different locations on both sides (A and B) of the CoCrMo Coupon