Cyclic bending effects on fatigue life in 12KH18N10T steel suggest martensitic transformation impacts magnetic properties.
This study examines cyclic bending fatigue effects on magnetic permeability (μ) and fracture behavior of conventionally produced and fabricated by direct energy deposition (DED) 12Х18Н10Т steel. DED specimens showed higher initial μ (suggesting presence of martensite) and faster degradation under cycling. Remarkably, some DED samples withstood threefold longer fatigue life without martensitic transformation.
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A. V. Kochnev (2025) studied this question.
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