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Densification behavior of tungsten heavy alloy based on master sintering curve concept SCIE SCOPUS

Title
Densification behavior of tungsten heavy alloy based on master sintering curve concept
Authors
Park, SJMartin, JMGuo, JFJohnson, JLGerman, RM
Date Issued
2006-09
Publisher
MINERALS METALS MATERIALS SOC
Abstract
The master sintering curve (MSC) theory is modified by substituting the densification ratio (Phi) for the densification parameter (Psi) to identify regions where shrinkage occurs by a similar combination of sintering mechanisms. The modified MSC theory is used to analyze the results of dilatometry experiments conducted with W-Ni-Fe heavy alloys, in which a phase change occurs during sintering. Apparent activation energies for sintering in three regions (solid state, transition, and liquid phase) are calculated. These activation energies are compared with experimental values for diffusion and other mass-transport phenomena to identify the dominant mechanisms in each region. A series of master sinter curves for varying W contents are developed into a master sintering surface that includes tungsten content and integral work.
URI
https://oasis.postech.ac.kr/handle/2014.oak/11499
DOI
10.1007/BF02586116
ISSN
1073-5623
Article Type
Article
Citation
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, vol. 37A, no. 9, page. 2837 - 2848, 2006-09
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박성진PARK, SEONG JIN
Dept of Mechanical Enginrg
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