Abstract
An abrasive machining process, such as grinding, sometimes is the most suitable option when component surfaces demand specific requirements as tight tolerances of shape and dimension. Austempered ductile iron (ADI) is a material used in a wide variety of components. The expansion of existing knowledge about the methodology with which ADI is produced has allowed to develop parts with shapes and dimensions close to the final ones. Due to this, components with sections of different thicknesses, which could include thin walls, are becoming more common. Nevertheless, scarce information about ADI straight surface grinding can be found in works both recent and preceding. This research seeks to analyze the influence of the cutting parameters and the microstructure features on surface finish and surface integrity in thin wall ADI samples subjected to straight surface grinding. Specific cutting energy consumed during grinding was quantified, their surface roughness was measured, and microdeformations at different scales were determined to study the mechanical effect associated with the generation of residual stress (RS). In order to estimate the RS profile shape and magnitude from the distortion produced in the specimens, a previously established relationship between distortion and RS formation was applied.
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Acknowledgements
The authors would like to thank Universidad Nacional de Mar del Plata and CONICET for the funding, and to Dr. Eng. Flavio Soldera from Dept. Materials Science & Engineering of Saarland University for his collaboration.
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Furno, M.E., Sosa, A.D. Effect of grinding parameters and microstructural features on surface integrity of ADI ground components. Int J Adv Manuf Technol 117, 2959–2971 (2021). https://doi.org/10.1007/s00170-021-07851-4
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DOI: https://doi.org/10.1007/s00170-021-07851-4