PSI - Issue 60

B Shashank Dutt et al. / Procedia Structural Integrity 60 (2024) 471–483 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

475

5

100 200 300 400 500 600 700 800

40

as weld aged 370 C aged 475 C aged 550 C

a

Tested at 550 C

b

as weld aged 370 C aged 475 C aged 550 C

Tested at 550 C

35

30

ultimate tensile strength

25

20

Strength, MPa

Total elonagtion (%)

15

yield strength

10

Aging duration, h

Aging duration, h

Fig.3. Tensile properties of SS 316 LN welds tested at 550 °C (a) Strength; (b) ductility.

Fig.4. J-R curves of SS 316 LN welds tested at (a) RT; (b) 380 °C; (c) 550 °C.