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Cooperating twin robots form a new X-ray diffractometer for stress analysis

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Veröffentlicht/Copyright: 31. Mai 2013
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Abstract

X-ray diffraction measurements on large components with complex geometry are needed in industrial applications requiring the non-destructive characterization of the near-surface material condition in terms of residual stresses, work hardening, phase transformation and formation of reaction compounds. Because many regions of interest on these components are not accessible with conventional laboratory or even mobile X-ray diffractometers, a novel center-free diffractometer with two cooperating robots named “Charon XRD” has been developed at MTU Aero Engines.

Two six-axis robots are synchronized using a special optical measuring system to achieve the highest positioning accuracies. This paper describes the actual design and operating mode of Charon XRD, its current and potential functionality, and presents calibration and reference measurements, along with results on aero-engine high-technology components like bladed integrated disks.


Dedicated to Professor Eckard Macherauch on the occasion of the 80th anniversary of his birth

* Correspondence address, Dr.-Ing. Roland Hessert, Non-destructive Testing, MTU Aero Engines GmbH, Dachauer Straße 665, D-80995 München, Germany, Tel.: +498914896803, Fax: +4989148996434, E-mail:

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Received: 2006-4-18
Accepted: 2006-7-6
Published Online: 2013-05-31
Published in Print: 2006-10-01

© 2006, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Herrn Prof. em. Dr. rer. nat. Dr.-Ing. E. h. mult. Prof. h. c. Dr. h. c. Eckard Macherauch zum 80. Geburtstag
  5. Basic
  6. Stability of residual stresses in longitudinally and transversely deep rolled sintered iron under quasistatic and cyclic loading
  7. Residual stresses in random-planar aluminium/Saffil® short-fibre composites deformed in different loading modes
  8. Thermal residual stress analysis in continuous Al2O3 fiber reinforced NiAl composites
  9. On the fatigue behavior of ultrafine-grained interstitial-free steel
  10. Laser Interference Metallurgy – using interference as a tool for micro/nano structuring
  11. On dynamic and static strain ageing in Cu-2at.% Mn polycrystals
  12. High thermal stability of mechanically-alloyed nanocrystalline Cu–Nb alloys
  13. Possibilities and limits in thermohydrogen processing of beta titanium alloy Timetal®10-2-3
  14. Applied
  15. Cube textured tapes for use in YBa2Cu3O7–δ-coated conductor applications
  16. Cavitation erosion of advanced ceramics in water
  17. Influence of tension–compression loading history on plastic deformation of Mg wrought alloy AZ31
  18. Microstructure and mechanical properties of the extruded Mg-alloys AZ31, AZ61, AZ80
  19. Mechanical properties and microstructural changes of ultrafine-grained AA6063T6 during high-cycle fatigue
  20. Analysis of failure behaviour of carbon/carbon composite made by chemical vapour infiltration considering fibre, matrix and interface properties
  21. Cooperating twin robots form a new X-ray diffractometer for stress analysis
  22. Grinding-induced microstructural gradients and residual stresses in the surface layers of carbon steel and pure tungsten
  23. Residual-stress-induced subsurface crack nucleation in titanium alloys
  24. Microstructure and fatigue strength of the roller-bearing steel 100Cr6 (SAE 52100) after two-step bainitisation and combined bainitic–martensitic heat treatment
  25. History
  26. Damage tolerance: fracture mechanics in design
  27. Description of flow curves over wide ranges of strain rate and temperature
  28. Mechanismen und Modellierung der Verformung und Schädigung keramischer Faserverbundwerkstoffe
  29. Notifications
  30. Personal
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