Evaluation of tempering induced changes in the hardness profile of case-carburised EN36 steel using magnetic Barkhausen noise analysis

NDT and E International

Volumn 36, Issue 1, 2003, Pages 43-49

  Moorthy, V ^a   Shaw, B A ^a   Evans, J T ^a  

^a NEWCASTLE UNIVERSITY   (United Kingdom)

Author keywords

Carburised EN36 steel; Hardness profile; Magnetic Barkhausen noise; Tampering

Indexed keywords

CARBURIZING; FREQUENCIES; HARDNESS; MICROSTRUCTURE; SPURIOUS SIGNAL NOISE; TEMPERING;

MAGNETIC NOISE;

STEEL;

EID: 0037221659     PISSN: 09638695     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0963-8695(02)00070-1     Document Type: Article

References (15)

1. Cullity B.D. Introduction to magnetic material. 1972;Addison-Wesley, Reading, MA. p. 292-3.
2. Tebble R.S., Craik D.J. Magnetic material. 1969;Wiley, New York. p. 369-411.
3. Mikheev M.N., Gorkunov E.S. Relationship of magnetic properties to the structural condition of a substance - the physical basis of magnetic structure analysis (review). Sov J NDT. 17:(8):1981;579-592.
4. Tiitto S. On the influence of microstructure on magnetization transitions in steel. Acta Polytech Scand, Appl Phys Ser. 119:1977;1-80.
5. Moorthy V., Vaidyanathan S., Jayakumar T., Raj B. Microstructural characterization of quenched and tempered 0.2% carbon steel using magnetic Barkhausen noise. J Magn Magn Mater. 171:1997;179-189.
6. Moorthy V., Vaidyanathan S., Jayakumar T., Raj B. On the influence of tempered microstructures on magnetic Barkhausen emission in ferritic steels. Phil Mag A. 77:(6):1998;1499-1514.
7. Kameda J., Ranjan R. Non-destructive evaluation of steels using acoustic and magnetic Barkhausen signals - I. Effect of carbide precipitation and hardness. Acta Metall. 35:(7):1987;1515-1526.
8. Karjalainen L.P., Moilanen M., Rautioaho R. Influence of tensile and cyclic loading upon Barkhausen noise in a mild steel. Mater Eval. 37:(9):1979;45-51.
9. Hyde T.R., Evans J.T., Shaw B.A. Effect of stress and heat treatment on MBN in case-carburised steels. Mater Eval. 58:(8):2000;985-990.
10. Vaidyanathan S., Moorthy V., Jayakumar T., Raj B. Evaluation of carburization depth in service exposed ferritic steel using magnetic Barkhausen noise analysis. Mater Eval. 56:(3):1998;449-452.
11. Moorthy V., Choudhary B.K., Vaidyanathan S., Jayakumar T., Bhanu Sankara Rao K., Raj B. An assessment of low cycle fatigue damage using magnetic Barkhausen emission in 9Cr-1Mo ferritic steel. Int J Fatigue. 21:1999;263-269.
12. Vaidyanathan S., Moorthy V., Jayakumar T., Raj B. Evaluation of induction hardened case depth through microstructural characterization using magnetic Barkhausen emission technique. Mater Sci Technol. 16:(2):2000;202-208.
13. Chikazumi S. Physics of magnetism. 1964;Wiley, New York. p. 322.
14. Woolman J., Mottram R.A. The mechanical and physical properties of the British standard EN steels. vol. 2:1966;Pergamon Press, New York. p. 390, EN21-39.
15. Moorthy V, Shaw BA, Evans JT. Effect of magnetizing frequency and analysing frequency range on the magnetic Barkhausen noise profile. IEEE Trans Magnetics, submitted for publication.