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Title
Computer simulation of pressing a ceramic ball into elastic-plastic material

ISSN printed: 1733-8670, ISSN on-line: 2392-0378
Berczyński, Stefan1; Grochała, Daniel2; Grządziel, Zenon3
URI: https://repository.am.szczecin.pl/handle/123456789/766
2015-06-10
This article describes distributions of stresses and strains created by pressing a ball with 80 HRC hardness into soft 35HRC steel, which occurs in the technological process of burnishing. We present a computer model and a solution developed with the Nastran FX program, based on the finite elements method. The validity of the model has been checked using a small force applied on the ball, within the range of elastic deformations, where Hertz formulas are applicable. Then computations have been made for a pressure force of 30 000 N, which corresponds to hardness testing conditions by the Brinell method. The dimensions of plastic indentations from simulations and experiments are compared.
  1. BUDYNAS, R. & NISBETT, K. (2008) Shigley’s Mechanical Engineering Design. 8th edition. McGraw-Hill.,
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  3. GROCHAŁA, D. (2011) Nagniatanie narzędziami hyrostatycznymi powierzchni przestrzennych złożonych na frezarkach CNC. Dissertation, West Pomeranian University of Technology, Szczecin,
  4. GROCHAŁA, D., BERCZYŃSKI, S. & GRZĄDZIEL Z. (2014) Stress in the surface layer of objects burnished after milling. International Journal of Advanced Manufacturing Technology. 72. pp. 1655–1663.,
  5. LOPEZ de LACALLE, L.N., LAMIKIZ, A., MUNOA, J. & SANCHEZ J.A. (2005) Quality improvement of ball-end milled sculptured surfaces by ball burnishing. International Journal of Machine Tools and Manufacture. 45. pp. 1659– 1668.,
  6. LOPEZ de LACALLE, L.N., LAMIKIZ, A., SANCHEZ, J.A. & ARANA J.L. (2007) The effect of ball burnishing on heattreated steel and inconel 718 milled surfaces. International Journal of Machine Tools and Manufacture. 32. pp. 958– 968.,
  7. Nastran FX (2010) [Online] Available from: http://midasfea.se/mechanical.php [Accessed: 7 July 2015],
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Title

Computer simulation of pressing a ceramic ball into elastic-plastic material

Pages

9-13

Figures

13

Tables

0

ISSN printed

1733-8670

ISSN on-line

2392-0378

DOI

10.17402/014

Type

Original scientific article

Journal

42 Scientific Journals of the Maritime University of Szczecin, no. 42 / 2015

Publisher

Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie

Copyright Holder

Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie

Published

2015-06-10

Recieved

2015-04-10

Accepted

2015-05-09

Funding

No data

Keywords

computer simulation, ceramic ball, elastic-plastic material, burnishing, Hertzian stresses, deformations, and contact

URI:

https://repository.am.szczecin.pl/handle/123456789/766

Language

English

Authors

Berczyński, Stefan1; Grochała, Daniel2; Grządziel, Zenon3

Affiliation

1 West Pomeranian University of Technology, Faculty of Mechanical Engineering and Mechatronics 70-310 Szczecin, Aleja Piastów 19, stefan.berczynski@zut.edu.pl
2 West Pomeranian University of Technology, Faculty of Mechanical Engineering and Mechatronics 70-310 Szczecin, Aleja Piastów 19, daniel.grochala@zut.edu.pl
3 Maritime University of Szczecin, Institute of Basic Technical Sciences 70-500 Szczecin, ul. Wały Chrobrego 1–2, z.grzadziel@pm.szczecin.pl

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