CHARACTERIZATION OF THE DEGREE OF MIXING IN LIQUID-PHASE SINTERING EXPERIMENTS
- 1 September 1975
- journal article
- research article
- Published by SAGE Publications in Powder Metallurgy
- Vol. 18 (36) , 249-258
- https://doi.org/10.1179/pom.1975.18.36.001
Abstract
Homogeneity of mixing plays an important role in liquid-phase sintering. In order to describe quantitatively the dependence of shrinkage on the degree of mixing, six different tungsten-copper powder mixtures were prepared. These powder blends were either presintered or sintered in the presence of liquid phase. The degree of mixing in both the presintered and liquid-phase sintered samples was determined by quantitative microstructural analysis. The developed method is well able to characterize the different state of mixing in the six powder blends on a microscopic scale. It is shown that a close relation exists between the microscopically characterized degree of mixing and densification during liquid-phase sintering.Keywords
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