H. Schönmaier, M. Pölzgutter, and R. Schnitzer (2020). Etching Methods for the Microstructural Characterization of a Heat Resistant 2.25Cr-1Mo-0.25V Weld Metal. Practical Metallography: Vol. 57, No. 1, pp. 5-30 © Carl Hanser Verlag GmbH & Co. KG ISSN 0032-678X