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Strengthening of silicon nitride ceramics by shot peening

Dedicated to Professor Eckard Macherauch on the occasion of the 80th anniversary of his birth
  • Wulf Pfeiffer and Peter Gumbsch
Published/Copyright: May 31, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 97 Issue 12

Abstract

Shot peening is a common procedure for improving the static and cyclic strength of metal components by a combination of work hardening and the introduction of compressive stresses into the surface region. Recent investigations showed that high compressive stresses of more than 1 GPa can also be introduced in brittle ceramics such as alumina and silicon nitride under specific shot peening conditions. These stresses dramatically increase the near-surface strength. This paper compiles the current state of the art of shot peening for silicon nitride ceramics. Detailed information about the influence of shot peening on the residual stress state, dislocation density and damage are given. The effect of the residual stresses on the static and cyclic nearsurface strength is quantified.

Keywords: Ceramic; Silicon nitride; Shot peening; Residual stress; Strength
* Correspondence address, Dr.-Ing. Wulf Pfeiffer, Fraunhofer IWM, Wöhlerstr. 11, D-79108 Freiburg, Germany, Tel.: +49 761 5124 166, Fax: +49 761 5142 110. E-mail:

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Received: 2006-3-31
Accepted: 2006-9-14
Published Online: 2013-05-31
Published in Print: 2006-12-01

© 2006, Carl Hanser Verlag, München

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  2. Contents
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  11. Polymer-derived Si–C–N ceramics reinforced by single-wall carbon nanotubes
  12. Applied
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  14. Assessment of creep behaviour of the die-cast cylinder-head alloy AlSi6Cu4-T6
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  17. Investigation of the thermoelastic response of long-fibre reinforced thermoplasticsby comparison with different non-contactstrain measurement techniques
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https://doi.org/10.3139/146.101400
Keywords for this article
Ceramic; Silicon nitride; Shot peening; Residual stress; Strength

Articles in the same Issue

  1. Contents
  2. Contents
  3. Basic
  4. Microcracks in superalloys: From local in-situ measurements to lifetime prediction
  5. Residual stress development due to thermal cycling of the particle-reinforced alloy EN AW-6061– experiment and simulation
  6. Analysis of defect configurations with positron lifetime measurements by pulsed low energy beams
  7. The nature of the TRIP-effect in metastable austenitic steels
  8. Investigation and modelling of theplasticity-induced martensite formation in metastable austenites
  9. Thermal relaxation of residual stresses in TiN films deposited by arc ion plating
  10. On the Hall–Petch relation between flow stress and grain size
  11. Polymer-derived Si–C–N ceramics reinforced by single-wall carbon nanotubes
  12. Applied
  13. Strengthening of silicon nitride ceramics by shot peening
  14. Assessment of creep behaviour of the die-cast cylinder-head alloy AlSi6Cu4-T6
  15. New aspects of bending rotation fatigue in ultra-fine-grained pseudo-elastic NiTi wires
  16. Anwendung des lokalen Dauerfestigkeitskonzepts zur Bewertung der Wirksamkeit von Schweißnahtnachbehandlungsmaßnahmen
  17. Investigation of the thermoelastic response of long-fibre reinforced thermoplasticsby comparison with different non-contactstrain measurement techniques
  18. Effect of surface roughening on increasingthe spectral selectivity of cermet solarselective absorbers
  19. Experimental observations on thecorrelation between microstructure andfracture of multiphase steels
  20. Pressure solidification – a novel moulding technique for plastic parts with superior dimensional stability
  21. DGM News
  22. DGM News
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