Communications - Scientific Letters of the University of Zilina 2013, 15(2):69-76 | DOI: 10.26552/com.C.2013.2.69-76

Surface and Subsurface Residual Stresses after Machining and their Analysis by X-Ray Diffraction

Andrej Czan1, Eva Tillova1, Jozef Pilc1
1 Faculty of Mechanical Engineering, University of Zilina, Slovakia

Process specifications and working procedures widely used by the aerospace and automotive industries require surface analysis by machining and specify the process parameters such as type, destructive measuring or simulations. Destructive measuring or simulation carried out in order to optimise and later to verify the process parameters are a very indirect way of measurement. While they are performed on simulation only similar in composition and elastic properties to that of the actual part to be machined, they almost never match all the important conditions of the process such as the shape of the real part or the residual stress prior to the treatment. Consequently the residual stresses and their depth distribution after the machining may differ very significantly from those required by the technologist. The only reliable way to verify that the operation has produced the desired effect is to actually measure the stresses in the machined component.

Keywords: surface, residual stresses, X-ray diffraction, machining

Published: June 30, 2013  Show citation

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Czan, A., Tillova, E., & Pilc, J. (2013). Surface and Subsurface Residual Stresses after Machining and their Analysis by X-Ray Diffraction. Communications - Scientific Letters of the University of Zilina, 15(2), 69-76. doi: 10.26552/com.C.2013.2.69-76
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