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Metal particulate production by modulation-assisted machining

Continuous production of Al 6061-T6 particulate using modulation-assisted machining (MAM) is demonstrated. Superimposition of a controlled, low-frequency modulation in conventional machining causes chips to form as discrete particles. By adjusting the conditions, equiaxed, platelet and fiber-shaped...

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Published in:	Scripta materialia 2007-11, Vol.57 (10), p.909-912
Main Authors:	Mann, J.B., Saldana, C., Chandrasekar, S., Compton, W.D., Trumble, K.P.
Format:	Article
Language:	English
Subjects:	Alloys Aluminum Aluminum base alloys Chip formation Hardness Machining Microstructure Modulation Particle size distribution Powder processing Severe plastic deformation (SPD) Ultrafine grained microstructure
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creator	Mann, J.B. Saldana, C. Chandrasekar, S. Compton, W.D. Trumble, K.P.
description	Continuous production of Al 6061-T6 particulate using modulation-assisted machining (MAM) is demonstrated. Superimposition of a controlled, low-frequency modulation in conventional machining causes chips to form as discrete particles. By adjusting the conditions, equiaxed, platelet and fiber-shaped particles having narrow size distributions can be produced. Large-strain deformation leads to microstructure refinement and enhanced hardness. The process is applicable to a wide range of alloys and appears to be intrinsically scalable for large-volume production.
doi_str_mv	10.1016/j.scriptamat.2007.07.025
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subjects	Alloys Aluminum Aluminum base alloys Chip formation Hardness Machining Microstructure Modulation Particle size distribution Powder processing Severe plastic deformation (SPD) Ultrafine grained microstructure
title	Metal particulate production by modulation-assisted machining
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