PSI - Issue 28

V. Yu. Filin et al. / Procedia Structural Integrity 28 (2020) 3–10 Filin V.Yu., Ilyin A.V.,Mizetsky A.V. / Procedia Structural Integrity 00 (2020) 000 – 000

8 6

Fracture appearance (black is cleavage, white is ductile)

Ductile portion in fracture, %

Load drop related to the maximum load, %





2.0

1.5

35

69.7

2.5

1.3

56

62.8

2.5

1.5

56

53.5

2.5

2.0

61

53.4

2.7

1.3

72

36.3

2.7

1.5

68

36.7

2.7

2.0

73

32.9

2.8

1.3

71

30.9

Figure 3 – Examples of actual fracture surfaces of TKDS specimens. Left specimen: 70.4% load drop, 46% ductile portion; right one: 66.7% load drop, 58% ductile portion.