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Predicting segregation of metal powders

Predicting segregation of metal powders

Kulkarni, P.A., Bradley, M.S.A. and Farnish, R.J. (2006) Predicting segregation of metal powders. Powder Metallurgy, 49 (3). pp. 206-208. ISSN 0032-5899 (Print), 1743-2901 (Online) (doi:10.1179/174329006X152442)

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Abstract

Close tolerances in powder quality are necessary for efficient production and control of these tolerances can be achieved only by detailed analysis of materials and processes. The quantification and identification of segregation effects has been a challenge, especially with the powders typically used in PM. An attempt to quantify segregation as a first step towards the predicting segregation behaviour of general powders is reported. Experiments have been undertaken using a lubricated iron alloy powder to analyse rolling segregation, and using am unlubricated powder to determine the effect of height of discharge on segregation. Bulk particulates characterised by small particle sizes, narrow size distributions, free flow, high particle densities and high inter-particle forces require careful experimental procedures to obtain repeatable results.

Item Type: Article
Additional Information: [1] Published on behalf of the Institute for Materials, Minerals and Mining. An official publication of the European Powder Metallurgy Association.
Uncontrolled Keywords: iron alloy powder, metal powder quality, metal powders segregation, rolling segregation, segregation effects, iron alloys, production control, rolling, segregation (metallography), Iron powder
Subjects: T Technology > T Technology (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Wolfson Centre for Bulk Solids Handling Technology
Related URLs:
Last Modified: 17 Oct 2016 10:03
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/12673

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