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This research examines how multifunction cavitation treatment affects the ductile-brittle transition in carburized steel.

February 21, 2026Next MaterialsOpen Access

Effect of multifunction cavitation treatment on the ductile–brittle transition behavior and fracture characteristics of carburized steel

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This research examines how multifunction cavitation treatment affects the ductile-brittle transition in carburized steel.
Evaluated surface properties with processing time before Charpy impact tests
Conducted depth profile analysis of hardness and residual stress
Performed Charpy impact tests to assess energy absorption and expansion
Surface hardness and compressive residual stress increased to 75 µm depth after optimal 10 min MFC treatment
MFC-treated specimens showed higher absorbed energy in the 473–573 K range compared to untreated
A linear correlation was found between absorbed energy and lateral expansion, indicating enhanced toughness

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Cavitation treatment enhances fracture characteristics in carburized steel, indicating improved toughness.

Ijiri et al. (2026) studied this question.

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