Neidel, A., Gädicke, T. and Riesenbeck, S.. "Metallurgical Failure Investigation of Fractured Dog Bone Seal Retainer Ring Fillet Welds in the Turbine Exhaust Casing of a Heavy-duty Gas Turbine Engine" Practical Metallography, vol. 58, no. 11, 2021, pp. 715-724. https://doi.org/10.1515/pm-2021-0063 © 2021 Walter de Gruyter GmbH, Berlin/Boston, Germany