Removal mechanism of magnetic abrasive finishing on aluminum and magnesium alloys

In this paper, the magnetic abrasive finishing (MAF) on AZ31B magnesium alloy and 7075-T6 aluminum alloy was carried out, using the spherical composite magnetic abrasive particles (MAPs) prepared by our research group independently. The finishing experiments were conducted by using the Al 2 O 3 /Fe-...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2021-05, Vol.114 (5-6), p.1717-1729
Main Authors: Zhu, Peixin, Zhang, Guixiang, Du, Jiajing, Jiang, Linzhi, Zhang, Peng, Cui, Yuntao
Format: Article
Language:English
Subjects:
Abrasive finishing
Alloys
Aluminum base alloys
Aluminum oxide
CAE) and Design
Chemical reactions
Computer-Aided Engineering (CAD
Engineering
Extrusion
Industrial and Production Engineering
Magnesium base alloys
Mechanical Engineering
Media Management
Original Article
Particulate composites
Plastic deformation
Surface properties
Workpieces
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Summary:In this paper, the magnetic abrasive finishing (MAF) on AZ31B magnesium alloy and 7075-T6 aluminum alloy was carried out, using the spherical composite magnetic abrasive particles (MAPs) prepared by our research group independently. The finishing experiments were conducted by using the Al 2 O 3 /Fe-based MAPs and SiC/Fe-based MAPs, respectively. The results of our works show that there are disparities in the mutual suitability between the MAPs with different abrasive phase and the processed materials. After finishing, the surfaces of workpieces with the foggy mirror effect are obtained. The effects of MAF with different abrasive phase on the surface quality were investigated. The material removal mechanism and surface formation processing of workpieces in MAF were analyzed. The conclusion is as follows: in MAF processing, under the combined action of plastic deformation flow, skiving, extrusion, and chemical reaction, the surfaces of workpieces meet the requirements of surface quality.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-021-06952-4