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ASM Handbook

Thermal Spray Technology

Edited by
Robert C. Tucker, Jr.
Robert C. Tucker, Jr.
The Tucker Group
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ASM International
Volume
5A
ISBN electronic:
978-1-62708-171-9
Publication date:
2013
Book Chapter

Feedstock Material Considerations for Thermal Spray

By
Noppakun Sanpo
Noppakun Sanpo
Swinburne University of Technology
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James Wang
James Wang
Swinburne University of Technology
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Christopher C. Berndt
Christopher C. Berndt
Swinburne University of Technology and Stony Brook University
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Published:
2013
Page range:
93 - 120
Publication history
February 02, 2013

Abstract

This article discusses three types of powder-feeder systems that are commonly used throughout the thermal spray (TS) industry: gravity-based devices, rotating wheel devices, and fluidized-bed systems. It provides information on the various mechanical methods for producing powders, namely, crushing, milling, attriting, and machining. The article describes two prime methods of agglomeration. One method uses a binder by way of agglutination, while the other relies on a sintering operation. The article discusses the technology and principles of the processes that relate to thermal spraying, and offers an understanding for choosing particular feedstock materials that are classified based on the thermal spray process, material morphology, chemical nature of the material, and applications. Sieving, the most common method of separating powders into their size fractions, is also reviewed. The article also provides information on the topical areas and precautions to be undertaken to protect the operator from safety hazards.

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Noppakun Sanpo, James Wang, Christopher C. Berndt, 2013. "Feedstock Material Considerations for Thermal Spray", Thermal Spray Technology, Robert C. Tucker, Jr.

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