TY - JOUR A1 - Mehner, Hartmut A1 - Menzel, Michael A1 - Weber, K. A1 - Regener, D. T1 - Characterization of the microstructure of high-chromium cast irons using Mössbauer spectroscopy N2 - The finish grinding process for cement materials uses ball mills with differently sized grinding balls. Because the grinding takes place through the impact and friction of the balls, balls with a high wear resistance are desirable and the materials of choice are the high-chromium white cast irons. This article examines the behavior of these cast irons when subjected to various heat treatments. The emphasis is on the dependence of the microstructure properties on the chemical composition of the alloys and the heat treatment parameters. The content of retained austenite and that of carbon in the martensite phase were determined by the use of Mössbauer spectroscopy. The results verify that a higher proportion of retained austenite with low carbon content and a martensite with higher hardness produce a material with good fracture toughness and resistance to abrasive wear. KW - High-cromium cast irons KW - White cast irons KW - Grinding process of cement materials KW - Grinding balls KW - As-cast grinding balls PY - 2001 DO - https://doi.org/10.1016/S1044-5803(01)00143-7 SN - 1044-5803 SN - 1873-4189 VL - 46 SP - 399 EP - 406 PB - Elsevier CY - New York, NY AN - OPUS4-1205 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -