Friction drilling of dual phase steels

Authors

  • D. Nardi Dept. deIngeniería Mecánica de la Universidad del País Vasco UPV/EHU
  • L. N. López de Lacalle Dept. deIngeniería Mecánica de la Universidad del País Vasco UPV/EHU
  • A. Lamikiz Dept. deIngeniería Mecánica de la Universidad del País Vasco UPV/EHU

DOI:

https://doi.org/10.3989/revmetalm.1109

Keywords:

Friction drilling, High strength steels, Dual phase steels

Abstract


This work describes the experimental study of the friction drilling process in dual phase (DP) steels, with yield strengths from 600 to 800 Mpa. The optimal machining conditions with different thicknesses was assessed through controlled tests at different rotation speeds and feed rates. On one hand, the torque and the thrust force were computed and monitorized. On the other hand, the dimensional tolerances of the holes were evaluated. Another topic of interest inherent to this special technique is the temperature level reached during the friction process which is crucial when it comes to development of microstructural transformations. This thermal condition can transform the mechanical properties of material near the hole and the burr.

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References

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Published

2012-02-28

How to Cite

Nardi, D., López de Lacalle, L. N., & Lamikiz, A. (2012). Friction drilling of dual phase steels. Revista De Metalurgia, 48(1), 13–23. https://doi.org/10.3989/revmetalm.1109

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Articles