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Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/4337

Title: Combining neutron diffraction and imaging for residual strain measurements in a single crystal turbine blade
Authors: Pierret, S
Evans, A
Paradowska, AM
Kaestner, A
James, J
Etter, T
Van Swygenhoven, H
Keywords: Tomography
Neutron Diffraction
NONDESTRUCTIVE TESTING
TURBINE BLADES
NICKEL BASE ALLOYS
RESIDUAL STRESSES
Issue Date: 1-Jan-2012
Publisher: ELSEVIER
Citation: Pierrte, S., Evans, A., Paradowska, A. M., Kaestner, A., James, J., Etter, T., Van Swygenhoven, H. (2012). Combining neutron diffraction and imaging for residual strain measurements in a single crystal turbine blade. NDT & E International, 45(1), 39-45.
Abstract: Neutron diffraction is a technique often used for the non-destructive characterization of residual stresses in engineering materials and components. Measuring stresses within partially hollow objects with complex internal geometry however is challenging due to the difficulties of accurately placing the measurement gage volume in relation to the internal structures. In this study this difficulty is overcome combining surface metrology and neutron tomography to guide the neutron diffraction measurements. Using this technique the triaxial residual strain variations across the airfoil in a single crystal nickel-based superalloy turbine blade have been measured. (C) 2011 Elsevier Ltd. All rights reserved.
URI: http://dx.doi.org/10.1016/j.ndteint.2011.08.009
http://apo.ansto.gov.au/dspace/handle/10238/4337
ISSN: 0963-8695
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