Paper Title:
Study on Warm Flow Compacted Tungsten-Based Alloy Powder for Cross-Shape Part
  Abstract

Warm flow compaction is a new, simple and economy process that can produce complex powder metallurgy parts. A special apparatus for measuring the lateral flow capability of the powder was designed and manufactured. It can be used to analyze the feasibility of forming complex cross-shaped parts. The preparation of the powder blend and effects of pressing speed, temperature and axial pressure on the lateral flow capability of a tungsten-base powder mix were investigated. Results showed that the lateral-pressure increased with increased pressing speed and increased applied axial-pressure. The lateral-pressure decreased as lateral-distance increased. Biggest lateral-pressure was obtained when the powder blend was pressed at around 96 °C, at which the binder start to melt. In this study cross-shaped powder metallurgy parts were successfully prepared by warm flow compaction.

  Info
Periodical
Materials Science Forum (Volumes 561-565)
Main Theme
Edited by
Young Won Chang, Nack J. Kim and Chong Soo Lee
Pages
921-924
DOI
10.4028/www.scientific.net/MSF.561-565.921
Citation
Z. Y. Xiao, J. Wang, T. L. Ngai, M. Shao, Y. Y. Li, "Study on Warm Flow Compacted Tungsten-Based Alloy Powder for Cross-Shape Part", Materials Science Forum, Vols. 561-565, pp. 921-924, 2007
Online since
October 2007
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$32.00
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