PSI - Issue 60

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

474

4

J C

10(

)

B

1 flowstress



(1)

J

1

c

K



(2)

1 j c

2

(1

)

 

40

300 350 400 450 500 550 600 650 700

Tested at RT

a

b

Tested at RT

35

as weld aged 370 C aged 475 C aged 550 C

30

ultimate tensile strength

as weld aged 370 C aged 475 C aged 550 C

25

yield strength

20

Strength, MPa

15

Total elonagtion (%)

10

Aging duration, h

Aging duration, h

Fig.1. Tensile properties of SS 316 LN welds tested at RT (a) Strength; (b) ductility.

100 200 300 400 500 600 700 800

10 15 20 25 30 35 40 45 50

a

as weld aged 370 C aged 475 C aged 550 C

Tested at 380 C

as weld aged 370 C aged 475 C aged 550 C

Tested at 380 C

b

ultimate tensile strength

Strength, MPa

Total elonagtion (%)

yield strength

Aging duration, h

Aging duration, h

Fig.2. Tensile properties of SS 316 LN welds tested at 380 °C (a) Strength; (b) ductility .