Issue 60

R. Karimihaghighi et alii, Frattura ed Integrità Strutturale, 60 (2022) 187-212; DOI: 10.3221/IGF-ESIS.60.14

Carbon Steel

A ̊ F

B̊ F

C̊ F

D ̊ F

MYS (Ksi)

30 32 34 36 38 40 42 44 46 48 50 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 78

104

66 59 53 48 43 40 36 33 30 28 25 86 77 69 63 58 54 50 47 43 41 38 35 33 31 29 27 25 24 22 20 19 18 16 15 13

28 21 15 10

2

97 91 86 81 78 74 71 68 66 63

-5

-11 -16 -21 -24 -28 -31 -34 -36 -39

5 2

-2 -5 -8

-10 -13

Low Alloy Steel

A ̊ F

B ̊ F

C ̊ F

D ̊ F

MYS (Ksi)

124 115 107 101

48 39 31 25 20 16 12

22 13

5

-1 -6

96 92 88 85 81 79 76 71 69 67 65 63 62 60 58 57 56 54 53 52 51

-10 -14 -17 -21 -23 -26 -29 -31 -33 -35 -37 -39 -40 -42 -44 -45 -46 -48 -50 -51

9 5 3 0

-3 -5 -7 -9

-11 -13 -14 -16 -18 -19 -20 -22 -23 -25

80 Table B2: Determining ref T based on the material and minimum yield strength (MYS) [5 ]

2

    K

   

SR I

        1 . 6

(B3a)

 

eff a a

Plane StrainConditions

ys

2

    K

   

SR I

        1 . 2

(B3b)

 

eff a a

Plane Stress Conditions

ys

9-2: corrected stress intensity factor for secondary and residual stresses for plasticity effects:

208