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ASM Handbook

Steel Heat Treating Fundamentals and Processes

Edited by
Jon L. Dossett
Jon L. Dossett
Consultant
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George E. Totten
George E. Totten
Portland State University
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ASM International
Volume
4A
ISBN electronic:
978-1-62708-165-8
Publication date:
2013
Book Chapter

Fluidized-Bed Quenching

By
Weimin Gao
Weimin Gao
Institute for Frontier Materials, Deakin University
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Lingxue Kong
Lingxue Kong
Institute for Frontier Materials, Deakin University
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Peter Hodgson
Peter Hodgson
Institute for Frontier Materials, Deakin University
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Published:
2013
Page range:
238 - 244
Publication history
July 29, 2013

Abstract

The fluidized bed provides a means for exchanging heat between a metal part, the solid particles, and the fluidizing gas and which is viable for quenching. This article briefly considers the design aspects of the gas distributor, plenum, container, immersed cooling tubes and surface air spray cooling system in the quenching fluidized bed. It describes the fundamental factors affecting quenching power of the fluidized beds, namely, particle size, particle material, fluidizing gas composition, fluidizing gas flow rate, bed temperature and pressure, and the arrangement of quenched parts with respect to one another and to the bed. The article discusses the advantages, disadvantages, various applications and processes, including conventional batch quenching, two-step batch quenching, and continuous quenching of fluidized bed quenching, in detail.

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Weimin Gao, Lingxue Kong, Peter Hodgson, 2013. "Fluidized-Bed Quenching", Steel Heat Treating Fundamentals and Processes, Jon L. Dossett, George E. Totten

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