Issue 68

C. Bleicher et alii, Frattura ed Integrità Strutturale, 68 (2024) 371-389; DOI: 10.3221/IGF-ESIS.68.25

EN-GJS-700-2 cast block

Macroscopic picture of the etched welding

Hardness map at the edge of the fusion zone

Crack initiation and propagation along the fusion zone and the heat affected zone

Crack propagation through the martensite

Fracture surface of an axial specimen with failure in the welding filler; over a wide area delamination in the welding filler is present

Fracture surface of an axial specimen with failure in the welding filler

Etched section of the fusion line and the heat affected zone with hard martensitic and ledeburitic microstructures

Crack propagating along segregations and graphite nodules

Table 9: Examples of micrographs, hardness maps and etched sections for EN-GJS-700-2 with welds.

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