Thermal Spray Tips - Swinburne University of Technology

Compiled by Jo Ann Gan, Edited and advised by Christopher C. Berndt
Swinburne University of Technology Thermal Spray Group (SwinTS)
Please contact Prof. Christopher Berndt at cberndt @swin.edu.au for further enquiries
3. Feedstock Materials
3.1. Production of Thermal Spray Powders
Particle size ranges for common industrial processes including flame spray and plasma
spray thermal spray powders
Thermal spray powders have evolved principally from powder metallurgy procedures. The most recent
developments have arisen from ceramics and composites processing techniques. The production of
polymeric powders that are suitable for thermal spray is an emerging engineering field. The powder
production technique has a marked influence on the nature of the powder that is produced. The generic
terms that describe the manufacture of powders by mechanical processes are comminution and attrition
and denote the breaking up and size reduction of solid materials. The normal range of particle sizes
required for thermal spray is between 5 µm to about 120 µm.
Source: A. Bose, Advances in Particulate Materials, Butterworth-Heinemann, 1995, in Material
Production Processes, Christopher C. Berndt, Stoney Brook University (at the time of publishing), as
published in Handbook of Thermal Spray Technology, J.R. Davis (Ed.), ASM International, p 147, 2005.
Information and data acquired from ASM International Thermal Spray Society
website at http://asmcommunity.asminternational.org/portal/site/tss/SprayTips/
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