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The effect of temperature gradients in thermo-mechanical fatigue testing

  • The focus of this paper is the characterization of the influence of the temperature rates on the TMF lives. Therefore static and the dynamic calibrations of the temperature measurement devices were compared by a custom-built calibration specimen, which included five internal mantle thermocouples. Additionally the temperatures were measured on the specimens' surface. The experimental setups used were compared by executing TMF pre-test with the identical single-crystalline specimen. Subsequently TMF tests on coated single-crystalline Nickel-based superalloy PWA 1484 were carried out with temperature rates of 10K/s and 20 K/s. Finally the deviations of the determined TMF lives were evaluated.

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Metadaten
Author:Josef SpachtholzGND, Ernst Eugen AffeldtGND, H. J. Maier, Joachim Hammer
DOI:https://doi.org/10.1080/09603409.2018.1466500
Parent Title (English):Materials at high temperatures
Publisher:Taylor & Francis
Document Type:Article
Language:English
Year of first Publication:2019
Release Date:2022/02/08
Tag:Thermo-mechanical fatigue (TMF); experimental setup; temperature field effect
Volume:36
Issue:2
First Page:97
Last Page:103
Institutes:Fakultät Maschinenbau
Fakultät Maschinenbau / Labor Werkstoffprüfung und Metallographie
Begutachtungsstatus:peer-reviewed
research focus:Produktion und Systeme
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG