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  X-ray diffraction analysis of three-dimensional residual stress fields reveals origins of thermal fatigue in uncoated and coated steel

Kirchlechner, C., Martinschitz, K. J., Daniel, R., Mitterer, C., Donges, J., Rothkirch, A., et al. (2010). X-ray diffraction analysis of three-dimensional residual stress fields reveals origins of thermal fatigue in uncoated and coated steel. Scripta Materialia, 62(10), 774-777. doi:10.1016/j.scriptamat.2010.02.006.

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Kirchlechner, C.1, Autor           
Martinschitz, K. J.2, Autor           
Daniel, R.3, Autor           
Mitterer, C.3, Autor           
Donges, J.4, Autor           
Rothkirch, A.4, Autor           
Klaus, M.5, Autor           
Genzel, C.5, Autor           
Kečkéš, J.1, Autor           
Affiliations:
1Department of Materials Physics, Montanuniversität Leoben, Leoben, Austria, ou_persistent22              
2Department of Materials Physics, University of Leoben, Erich Schmid Institute for Materials Science, Austria, ou_persistent22              
3Christian-Doppler Laboratory for Advanced Coatings, Department of Physical Metallurgy and Materials Testing, Montanuniversität Leoben, Austria, ou_persistent22              
4Hamburger Synchrotronstrahlungslabor (HASYLAB) at DESY, Germany, ou_persistent22              
5Helmholtz Zentrum Berlin für Materialien und Energie, Glienicker Str. 100, 14109 Berlin, Germany, ou_persistent22              

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 Zusammenfassung: Synchrotron X-ray diffraction analysis of three-dimensional residual stress fields in laser-pulsed uncoated and CrN-coated steels was performed by a combination of two complementary synchrotron approaches. In the uncoated steel, the measurements revealed crater-like tensile stress distributions close to thermal cracks. For the coated samples, a regular Gaussian distribution was observed for steel whereby a cracking occurs in CrN as a consequence of steel buckling. The data also revealed the mechanism by which hard coatings protect steel from thermal fatigue.

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Sprache(n): eng - English
 Datum: 2010-05
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
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 Identifikatoren: DOI: 10.1016/j.scriptamat.2010.02.006
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Titel: Scripta Materialia
  Andere : Scr. Mater.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Tarrytown, NY : Pergamon
Seiten: - Band / Heft: 62 (10) Artikelnummer: - Start- / Endseite: 774 - 777 Identifikator: ISSN: 1359-6462
CoNE: https://pure.mpg.de/cone/journals/resource/954926243506