Microstructural Characterization and Mechanical Tests of Mill Rolls
Abstract
In this study, using scanning electron microscope (SEM) and optical microscope (OM), microstructural characterizations of both the surfaces and deep microstructural characterization of the rolls were carried out from the outer layer to the inner layer and the matrix structure, carbide phases and graphite structures were depicted. The types of carbide phases present in the microstructure were determined using the X-ray diffraction (XRD) technique. The densities of the inner layer and the outer layer were calculated with the samples cut from the appropriate regions. Within the scope of mechanical tests, hardness test, compression and tensile tests and impact tests were applied to the samples prepared by cutting wire erosion from the appropriate area of the mill roll. The fracture surfaces obtained as a result of the impact test were analyzed by SEM and the fracture characteristics of the material were interpreted. Finally, wear tests were carried out at both room temperature and high temperature (150 ºC), and the wear resistance of the roll surface during use was determined for different temperatures.
References
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Solmaz, M., Kotan, H., Açıkgöz, S., Bağcı, M. (2022). Microstructural Characterization and Mechanical Tests of Mill Rolls. *Orclever Proceedings of Research and Development*, 1(1), 220-239. https://doi.org/10.56038/oprd.v1i1.204
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