Forming Mechanism of α-Fe2O3 in the Oxide Films on Iron-Bonded Diamond Wheel Surface by ELID Grinding

Hua Li Zhang; Ji Cai Kuai

doi:10.4028/www.scientific.net/KEM.723.434

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 723Forming Mechanism of α-Fe2O3 in the Oxide Films on...

Forming Mechanism of α-Fe₂O₃ in the Oxide Films on Iron-Bonded Diamond Wheel Surface by ELID Grinding

Abstract:

The formation mechanism of α-Fe2O3 on iron-bonded diamond wheel surface by ELID grinding is presented here. X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) techniques were used to analyze the compositions of the oxide films. X-ray diffraction analysis demonstrated the existence of the diffraction peak of α-Fe2O3, which was observed in ELID grinding iron-bonded diamond wheel surface. To illustrate the correctness of our theory, X-ray photoelectron spectroscopy analysis was also performed. Results reveal that the characteristic spectrum of oxide film on ELID wheel has coincidence with the standard spectrum of Fe_2p in α-Fe₂O₃. These results suggest the existence of α-Fe₂O₃ in oxide films on the grinding wheel surface. The potentiality that α-Fe₂O₃ can bring polishing effect to ELID grinding process has also been discussed. It helps understand how ELID grinding can achieve excellent surface finish for the workpiece.

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Proceedings of International Conference on Material Science and Engineering 2016

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Key Engineering Materials (Volume 723)

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434-438

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.723.434

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Online since:

December 2016

Authors:

Hua Li Zhang, Ji Cai Kuai*

Keywords:

ELID (Electrolytic In-Process Dressing), Iron-Bonded Diamond Grinding Wheel, Oxide Film, α-Fe₂O₃

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