Forming Mechanism of Composite Abrasive Grains in Oxide Film on ELID Wheel and its Microstructure

Ji Cai Kuai; Cheng Ran Jiang; Jiang Wei Wang

doi:10.4028/www.scientific.net/KEM.709.77

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 709Forming Mechanism of Composite Abrasive Grains in...

Forming Mechanism of Composite Abrasive Grains in Oxide Film on ELID Wheel and its Microstructure

Abstract:

In this paper we analyze the forming mechanism of composite abrasive grains in oxide film on ELID grinding wheel surface, By using composition information and by taking advantage of microscale structure, we have investigated that abrasive grains surface is covered by a layer of oxide film and the fresh oxide film is loose and porous like turtle shaped crack when crushed and dried. The elements of oxide film consist of α-Fe2O3 with sphere grain of 5-50nm. This phenomena is demonstrated that the composite abrasive grains in oxide film is a compound structure which is centered by abrasive grains, with α-Fe2O3,Fe (OH)3 surrounded.

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Proceeding of the International Conference on Materials Engineering and Nanotechnology 2016

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Periodical:

Key Engineering Materials (Volume 709)

Pages:

77-81

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.709.77

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Online since:

September 2016

Authors:

Ji Cai Kuai*, Cheng Ran Jiang, Jiang Wei Wang

Keywords:

Composite Abrasive Grains, ELID (ELectrolytic In-Process Dressing) Grinding, Oxide Film, α-Fe2O3

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