COMPARISON OF PARAMETERS OF SURFACE INTEGRITY OF MACHINED DUPLEX AND AUSTENITE STAINLESS STEELS IN RELATION TO TOOL GEOMETRY

Authors

  • Jiří Čapek Department of Solid State Engineering, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague
  • Zdeněk Pitrmuc Department of Machining, Process Planning and Metrology, Faculty of Mechanical Engineering, Czech Technical University in Prague
  • Kamil Kolařík Department of Solid State Engineering, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague
  • Libor Beránek
  • Nikolaj Ganev Department of Solid State Engineering, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague

DOI:

https://doi.org/10.14311/APP.2017.9.0001

Abstract

The goal of this contribution was to describe parameters of surface integrity of two machined materials; austenite and duplex stainless steel. Residual stresses and presence of straininduced martensite were studied as a function of the side rake angle. Residual stresses of surface and sub-surface layers were determined using X-ray diffraction techniques and hole-drilling method. By using X-ray diffraction, it is possible to determine residual stresses in each phase separately, in comparison with hole-drilling method. The presence of strain-induced martensite was investigated using Barkhausen noise and optical microscope.

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Published

2017-07-28

Issue

Vol. 9 (2017): SSCSSP-6

Section

Articles

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