Table 4 Fracture properties of Q235 welded joint by BEM.

From: Comparison of destructive and non-destructive fracture toughness measurements for Q235 steel butt-welded joint

 

Weld metal

Fusion zone

Heat-affected zone

Base metal

Fracture toughness KIC (\({\text{MPa}}\sqrt {\text{m}}\))

130.32

77.05

108.91

83.16

Yield strength \({\sigma _y}\) (MPa)

400.35

321.93

306

314.57

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