PSI - Issue 2_B

6

Takashima Y et al. / Procedia Structural Integrity 2 (2016) 1585–1592 Takashima, Y. / Structural Integrity Procedia 00 (2016) 000–000

1590

10 1

10 0

No. 1S-1, 3-1 Access hole bottom

No. 3-2, 3-2', 8-1, 8-2 HAZ of 490 MPa class steel

10 -2 Critical CTOD,  cr (mm) x3 x1/3 10 -1 10 0

10 -3 Critical CTOD,  cr (mm) 10 -2 10 -1

x3

x3

x1/3

x1/3

Weld metal No. 7-2

-100 -80 -60 -40 -20 0 20 40

-100 -80 -60 -40 -20 0 20 40

Temperature, T (ºC)

Temperature, T (ºC)

10 1

10 1

No. 7IIa-1 HAZ of 490 MPa class steel x3

No. 9-1 Flange of 490 MPa class steel x3

10 -2 Critical CTOD,  cr (mm) 10 -1 10 0

10 -2 Critical CTOD,  cr (mm) 10 -1 10 0

x1/3

x1/3

-100 -80 -60 -40 -20 0 20 40

-100 -80 -60 -40 -20 0 20 40

Temperature, T (ºC)

Temperature, T (ºC)

Fig. 4 Fracture toughness test results for steels and welds of Case I

150

0 Charpy absorbed energy, K V (J) Case II x3 50 100

x1/3

-60 -40 -20 0 20 40 60 80

Temperature, T (ºC)

Fig. 5 Charpy absorbed energy of steel used in beam end of Case II