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  1. Article

    Open Access

    Neutronographic Residual Stress Analysis for Materials With Depth Gradients of the Strain Free Lattice Parameter \({{\varvec{d}}}_{0}\) for the Example of a Case-Hardened Steel 20MnCr5

    In the present work, ring-shaped samples made from steel 20MnCr5 were low-pressure carburized (LPC) and subsequently hardened by gas quenching (case-hardened). This results in a near-surface gradient in chemic...

    S. Pulvermacher, J. Šaroun, S. Cabeza… in Metallurgical and Materials Transactions A (2023)

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  2. No Access

    Chapter and Conference Paper

    Strain Monitoring During Laser Metal Deposition of Inconel 718 by Neutron Diffraction

    In this study, we provide novel in situ of during laser metal deposition of by . Thermal, phase and stress-related contributions to the lattice parameter evolution are addressed for the representative r...

    S. Cabeza, B. Özcan, J. Cormier, T. Pirling, S. Polenz, F. Marquardt… in Superalloys 2020 (2020)

  3. Article

    In Situ Study of the Stress Relaxation During Aging of Nickel-Base Superalloy Forgings

    Nickel-base superalloys are conventionally aged in order to develop a favorable microstructure as well as to relieve residual stresses. Here neutron diffraction was used to follow the evolution of residual str...

    P. E. Aba-Perea, P. J. Withers, T. Pirling… in Metallurgical and Materials Transactions A (2019)

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  4. Article

    Open Access

    A Combined Experimental and Modelling Approach to Elastic–Plastic Crack Driving Force Calculation in the Presence of Residual Stresses

    Since all residual stress measurement methods have inherent limitations, it is normally impractical to completely characterise a three-dimensional residual stress field by experimental means. This lack of comp...

    H. E. Coules, D. J. Smith, P. J. Orrock, K. Abburi Venkata… in Experimental Mechanics (2016)

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  5. No Access

    Chapter and Conference Paper

    Residual Stress Analysis in AA7449 As-Quenched Thick Plates Using Neutrons and Fe Modelling

    In the current trend toward thicker aluminium plates, a major concern is the generation of high internal stresses during quenching, which can cause distortions during machining and pose serious safety concerns...

    N. Chobaut, J. Repper, T. Pirling, D. Carron, J-M. Drezet in ICAA13 Pittsburgh (2016)

  6. No Access

    Article

    Neutron Diffraction Analysis of Complete Residual Stress Tensors in Conventional and Rolled Gas Metal Arc Welds

    Mitigation of residual stress in an arc weld by high-pressure rolling of the weld seam has been investigated using neutron diffraction. Rolling was found to greatly improve the residual stress distribution, ca...

    H. E. Coules, L. D. Cozzolino, P. Colegrove, S. Ganguly… in Experimental Mechanics (2013)

  7. Article

    Residual Stresses Distribution Through Thick HVOF Sprayed Inconel 718 Coatings

    C. Lyphout, P. Nylén, A. Manescu, T. Pirling in Journal of Thermal Spray Technology (2011)

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  8. No Access

    Article

    Residual Stresses Distribution through Thick HVOF Sprayed Inconel 718 Coatings

    Residual stress buildup in thick thermal spray coatings is a property of concern. The adhesion of these coatings to the substrate is influenced by residual stresses that are generated during the coating deposi...

    C. Lyphout, P. Nylén, A. Manescu, T. Pirling in Journal of Thermal Spray Technology (2008)

  9. No Access

    Article

    Neutron Stress Imaging of Drawn Copper Tube: Comparison with Finite-Element Model

    Seamless tubes are used for various mechanical applications, often produced by several cold drawing steps to reach the required dimensions. The first process step, for example, extrusion or rolling, typically ...

    T. Pirling, A. Carradò, S. Brück… in Metallurgical and Materials Transactions A (2008)

  10. No Access

    Article

    Residual stress states before irradiation in ESS target structural materials

    The present work takes place in the framework of the European Spallation Source target research and development program. A wide spectrum of miniaturized, mechanical test specimens of different structural mater...

    F. Turquier, R. Levy-Tubiana, T. Pirling, M.R. Daymond, S. Romanzetti… in Applied Physics A (2002)

  11. No Access

    Article

    High-temperature stress evolution in brazed samples for plasma-facing components in fusion reactors

    This work has been carried out to investigate, by means of neutron strain scanning, the stress field in brazed samples of interest for the construction of plasma-facing components, such as the ‘divertor’, in f...

    R. Coppola, C. Nardi, T. Pirling, R. Wimpory in Applied Physics A (2002)

  12. No Access

    Article

    Optimization of a focusing monochromator for neutron strain-scanning diffractometer

    Comparison of mosaic and elastically deformed crystals as possible candidates for horizontally focusing monochromators at a high-resolution powder diffractometer is presented. The comparison is based on Monte ...

    J. Šaroun, T. Pirling, R.B. Rogge in Applied Physics A (2002)

  13. No Access

    Article

    Determination of residual stresses at ILL: present and future

    The ILL is constructing, in collaboration with the Manchester Materials Science Centre, a neutron strain imager for the non-destructive determination of residual stresses. The project is funded by ILL and the ...

    T. Pirling in Applied Physics A (2002)

  14. No Access

    Article

    Yield stress increase in a W/Cu composite observed by neutron diffraction

    T. Wieder, A. Neubrand, H. Fuess, T. Pirling in Journal of Materials Science Letters (1999)