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Tool life enhancement through nano-composite coating on the residual stress controlled cutting faces

Author

Listed:
  • K. Ramesh
  • Roger Heng
  • Jonathan Ho
  • Adrian Kang

Abstract

The high performance machining of steel has reached 150-1500 cm³/min of material removal rate at cutting speeds up to 8000 m/min and experiences: chipping, abrasion wear, adhesion and diffusion wear to last for 150-300 m of tool life. On the industrial front the tool life was counted on parameters: surface finish, burr, dimensional tolerance and work hardening. This situation further reduces the tool life to hover around 50-100 m of cutting distance for steel. Therefore a new multiple layer hard coating was developed to achieve: high adhesion strength, high thermal stability, high hardness, low friction coefficient and good compatibility. Field machining tests results suggest that the tool life was extended by 5-10 times than the conventional carbide tools.

Suggested Citation

  • K. Ramesh & Roger Heng & Jonathan Ho & Adrian Kang, 2010. "Tool life enhancement through nano-composite coating on the residual stress controlled cutting faces," International Journal of Manufacturing Technology and Management, Inderscience Enterprises Ltd, vol. 21(1/2), pages 135-147.
    • Handle: RePEc:ids:ijmtma:v:21:y:2010:i:1/2:p:135-147
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