Study of the effect of process parameters in high-speed grinding on surface integrity by Barkhausen noise analysis

An experimental study was undertaken to investigate the role of process parameters on the grindability of medium carbon steel in a high-speed grinding domain with particular emphasis on surface integrity. Surface residual stress on the ground specimens has been assessed using X-ray diffraction techn...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture Journal of engineering manufacture, 2008-12, Vol.222 (12), p.1625-1637
Main Authors: Vashista, M, Paul, S
Format: Article
Language:English
Subjects:
Applied sciences
Barkhausen effect
Carbon steel
Compressive properties
Conductivity
Correlation
Cubic boron nitride
Cutting
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Grindability
Grinding
Grinding wheels
Heat conduction
Heat flux
Heat transfer
High speed
Integrity
Mechanical engineering
Mechanical engineering. Machine design
Medium carbon steels
Metals. Metallurgy
Noise
Noise prediction
Physics
Process parameters
Production techniques
Residual stress
Temperature control
Thermal conductivity
X-ray diffraction
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Summary:An experimental study was undertaken to investigate the role of process parameters on the grindability of medium carbon steel in a high-speed grinding domain with particular emphasis on surface integrity. Surface residual stress on the ground specimens has been assessed using X-ray diffraction technique and Barkhausen noise analysis. High-speed grinding with cubic boron nitride (cBN) wheels, unlike conventional grinding, provided compressive residual stress throughout the experimental domain. This can be attributed to a desirable temperature control as the single layer cBN wheel with higher thermal conductivity than conventional wheels and grinding fluid took away a substantial part of the grinding heat flux. Micromagnetic or Barkhausen noise parameters correlated linearly with the residual stress, indicating its applicability in assessing the surface integrity of high-speed ground steel.
ISSN:0954-4054
2041-2975
DOI:10.1243/09544054JEM1214