NDLI: Illustration of the WPS Benefit Through Batman Test Series: Tests on Large Specimens Under WPS Loading Configurations

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Chapuliot, S. Ferry, L. Yuritzinn, T. Moinereau, D. Dahl, A. Gilles, P.
Copyright Year	2008
Abstract	A study combining modelling and a series of experiments on large specimens submitted to a thermal shock or isothermal cooling has been performed in CEA-Saclay in order to show the WPS benefit on large scale specimen. The test series, named BATMAN, was made on 18MND5 ferritic steel bars, containing a short or large fatigue pre-crack. For the two performed tests (fast thermal shock creating a gradient across the thickness of the bar or for the gradual uniform cooling), the effect of “Warm Pre-Stressing” was confirmed. In both cases, no propagation was observed during the thermal transient. Fracture occurred under low temperature conditions, at the end of the test when the tensile load was increased. The failure loads then recorded were substantially higher than during pre-stressing. To illustrate the benefit of the WPS effect, numerical interpretations were performed using either global approach or local approach criteria. The capability of models to predict the WPS effect was clearly shown.
Sponsorship	Pressure Vessels and Piping
Starting Page	247
Ending Page	254
Page Count	8
File Format	PDF
ISBN	9780791848265
DOI	10.1115/PVP2008-61232
e-ISBN	0791838285
Volume Number	Volume 3: Design and Analysis
Conference Proceedings	ASME 2008 Pressure Vessels and Piping Conference
Language	English
Publisher Date	2008-07-27
Publisher Place	Chicago, Illinois, USA
Access Restriction	Subscribed
Subject Keyword	Cooling Thermal shock Fatigue Fracture (materials) Steel Modeling Failure Stress Low temperature Transients (dynamics)
Content Type	Text
Resource Type	Article

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