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.; Klaus, M.; Genzel, C.; Kečkéš, J.

doi:10.1016/j.scriptamat.2010.02.006

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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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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-001A-2622-1 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-001A-2624-E

Genre: Journal Article

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Creators:
Kirchlechner, C.¹, Author
Martinschitz, K. J.², Author
Daniel, R.³, Author
Mitterer, C.³, Author
Donges, J.⁴, Author
Rothkirch, A.⁴, Author
Klaus, M.⁵, Author
Genzel, C.⁵, Author
Kečkéš, J.¹, Author

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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Abstract: 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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Language(s): eng - English

Dates: Date issued: 2010-05

Publication Status: Issued

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Identifiers: DOI: 10.1016/j.scriptamat.2010.02.006

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Title: Scripta Materialia

Other : Scr. Mater.

Source Genre: Journal

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Publ. Info: Tarrytown, NY : Pergamon

Pages: - Volume / Issue: 62 (10) Sequence Number: - Start / End Page: 774 - 777 Identifier: ISSN: 1359-6462
CoNE: https://pure.mpg.de/cone/journals/resource/954926243506