Table 3 Quantification of microstructural damage after Charpy impact testing at LNT.

From: Cryogenic toughness in a low-cost austenitic steel

Sample

Deformation at neck

Deformation at back side

Crack depth (mm)

Deformation near the notch opening

5.6 μm, LNT

−33.6%

25.2%

1.62

−5.3%

−9.8%

47.0 μm, LNT

−31.1%

22.4%

5.54

−0.4%

−0.5%

  1. Values of plastic deformation defined by change in length along lines parallel to the notch line, with positive values indicating tension—see “Methods” section for a more detailed description of these definitions.
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