Non-Destructive Analysis of Surfaces after Hard Milling Based on Barkhausen Noise Technique

This paper deals with the non-destructive evaluation of surface made of hardened roll bearing steel after hard milling via Barkhausen noise technique. The paper discusses magnetic anisotropy linked with the structure transformations with regard to variable flank wear of cutting tool. Effective value...

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Bibliographic Details
Published in:Key Engineering Materials 2015-09, Vol.662, p.213-216
Main Authors: Neslusan, Miroslav, Hrabovský, Tomas, Kolarík, Kamil, Micietova, Anna
Format: Article
Language:English
Subjects:
Background noise
Barkhausen effect
Cutting tools
Noise
Nondestructive testing
Plastic deformation
Rolls
Transformations
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Summary:This paper deals with the non-destructive evaluation of surface made of hardened roll bearing steel after hard milling via Barkhausen noise technique. The paper discusses magnetic anisotropy linked with the structure transformations with regard to variable flank wear of cutting tool. Effective value of Barkhausen noise (BN) and Peak Position derived from the raw BN signal as well as BN envelopes are compared with metallographic observations and theoretical background about magnetic domains reconfiguration when the near surface undergoes severe plastic deformation at elevated temperatures.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.662.213