Study of Barkhausen Emission from the Surface Martensite Layer on Induction-hardened Carbon Steel
Paper i proceeding, 2018

Induction hardening is one of the finishing processes to improve hardness and wear resistance on steel products by developing a hard martensite-rich surface layer. Non-destructive Barkhausen noise (BN) evaluation is used for quality assurance. While the routine production is set to develop a desirable hardening depth of this specific structure, the variations of microstructure and grain size overlay the outbound results in the assessment and make the interpretation unambiguous. This work correlates the different parameters in BN-signal with the deviations from the targeted martensite by predictive, physical and numerical modelling means.

Hardness

Steel

Quality control

Barkhausen

Författare

Peter Hammersberg

Avancerad oförstörande provning

Eric Tam

Chalmers, Industri- och materialvetenskap, Material och tillverkning

Gert Persson

Chalmers, Industri- och materialvetenskap, Konstruktionsmaterial

12th ECNDT

12th European Conference on Non-destructive Testing
Göteborg, Sweden,

Ämneskategorier

Geoteknik

Bearbetnings-, yt- och fogningsteknik

Annan materialteknik

Mer information

Skapat

2018-11-15