OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 26 No. 1 2024 Fig. 8. Microstructures observed in weld metals with increase in tensile strength after etching with Nital 2 %. Magnifi cation: 1,000× (OM). Where: AF – acicular ferrite; PF – primary ferrite; FS – second phase ferrite; M – martensite [32]
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