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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. 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)