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CLC number: TG139.7

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Received: 2006-03-20

Revision Accepted: 2006-08-08

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.11 P.1800~1809

10.1631/jzus.2006.A1800


Effect of processing parameters on the electromagnetic radiation emission during plastic deformation and crack propagation in copper-zinc alloys


Author(s):  KUMAR Rajeev, MISRA Ashok

Affiliation(s):  Department of Mechanical Engineering, Birla Institute of Technology, Mesra, 835215, Ranchi, India

Corresponding email(s):   rajivk1091@rediffmail.com, dr_ashok_misra@rediffmail.com

Key Words:  Radiation, Plastic deformation, Rolling direction, Annealing, Fracture


KUMAR Rajeev, MISRA Ashok. Effect of processing parameters on the electromagnetic radiation emission during plastic deformation and crack propagation in copper-zinc alloys[J]. Journal of Zhejiang University Science A, 2006, 7(11): 1800~1809.

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author="KUMAR Rajeev, MISRA Ashok",
journal="Journal of Zhejiang University Science A",
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pages="1800~1809",
year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A1800"
}

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%T Effect of processing parameters on the electromagnetic radiation emission during plastic deformation and crack propagation in copper-zinc alloys
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%A MISRA Ashok
%J Journal of Zhejiang University SCIENCE A
%V 7
%N 11
%P 1800~1809
%@ 1673-565X
%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A1800

TY - JOUR
T1 - Effect of processing parameters on the electromagnetic radiation emission during plastic deformation and crack propagation in copper-zinc alloys
A1 - KUMAR Rajeev
A1 - MISRA Ashok
J0 - Journal of Zhejiang University Science A
VL - 7
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SP - 1800
EP - 1809
%@ 1673-565X
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2006.A1800


Abstract: 
This paper presents some investigations on the effect of processing parameters on the emission of electromagnetic radiation (EMR) during plastic deformation and crack propagation in copper-zinc alloys. Timing of the EMR emissions, maximum stress during crack instability, stress-intensity factor, elastic strain energy release rate, maximum EMR amplitude, RMS value of EMR amplitude, EMR frequency and electromagnetic energy release rate were analysed for the effect of rolling directions at different percentage of zinc content in Cu-Zn alloy specimens. The same parameters were also analysed for 68-32 Cu-Zn alloy specimens at different annealing temperatures and at different angles θ, to the rolling direction. EMR emissions are observed to be highly anisotropic in nature. At θ=45° to 60°, marked changes in mechanical and electromagnetic parameters were observed. Specimens annealed at 500 °C, just above the recrystallization temperature, and at 700 °C, when grain-size growth is rapid, EMR responses have been found to have well-defined patterns.

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