<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The stress distribution function in the surface layer is created as a result of using stress measurements on the surfaces of C45 steel samples after shot peening. Stresses were measured by X-ray diffraction with the use of the PSF-3M device from the Rigaku Company. For measuring residual stresses, subsequent layers of the top surface of the material were used as a basis, and these were obtained through electrochemical etching. The test results i.e. distance into the material, sample hardness, shot type, stress) were entered into the stepwise multiple regression program. A record of residual stresses was obtained in the form of the second-degree regression function of three independent variables with interactions. The obtained analytical form of the residual stress function was used in the FUNVAL3.EXE program to calculate the tabular values of stresses permeating into the material. For the analytical description of the stress distribution, the REGPOLY.EXE regression program was used, which creates a polynomial functional form of the residual stress distribution. The plot form of the residual stress distribution was obtained using the EXCEL Microsoft Office 2000 program.</p>
</abstract>

The stress distribution function in the surface layer is created as a result of using stress measurements on the surfaces of C45 steel samples after shot peening. Stresses were measured by X-ray diffraction with the use of the PSF-3M device from the Rigaku Company. For measuring residual stresses, subsequent layers of the top surface of the material were used as a basis, and these were obtained through electrochemical etching. The test results i.e. distance into the material, sample hardness, shot type, stress) were entered into the stepwise multiple regression program. A record of residual stresses was obtained in the form of the second-degree regression function of three independent variables with interactions. The obtained analytical form of the residual stress function was used in the FUNVAL3.EXE program to calculate the tabular values of stresses permeating into the material. For the analytical description of the stress distribution, the REGPOLY.EXE regression program was used, which creates a polynomial functional form of the residual stress distribution. The plot form of the residual stress distribution was obtained using the EXCEL Microsoft Office 2000 program.

Description of Residual Stress Distribution in the Surface Layer After Heat Treatment and Shot Peening

Transactions on Aerospace Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The stress distribution function in the surface layer is created as a result of using stress measurements on the surfaces of C45 steel samples after shot...

Description of Residual Stress Distribution in the Surface Layer After Heat Treatment and Shot Peening

Article Category: Research Article

Published Online: Sep 13, 2023

Page range: 28 - 39

Received: Mar 13, 2023

Accepted: Jun 12, 2023

DOI: https://doi.org/10.2478/tar-2023-0015

Keywords
X-ray diffractometer, measurement of stresses, psi sine square method, metal crystal lattice, wave beam diffraction, pneumatic shot peening, multiple regression, planned experiment

© 2023 Konstanty Skalski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Description of Residual Stress Distribution in the Surface Layer After Heat Treatment and Shot Peening

Article Category: Research Article

Published Online: Sep 13, 2023

Page range: 28 - 39

Received: Mar 13, 2023

Accepted: Jun 12, 2023

DOI: https://doi.org/10.2478/tar-2023-0015

KeywordsX-ray diffractometer, measurement of stresses, psi sine square method, metal crystal lattice, wave beam diffraction, pneumatic shot peening, multiple regression, planned experiment

© 2023 Konstanty Skalski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
X-ray diffractometer, measurement of stresses, psi sine square method, metal crystal lattice, wave beam diffraction, pneumatic shot peening, multiple regression, planned experiment