Journal ArticleDOI
Some aspects of the milling of cemented carbide powder
TLDR
In this paper, the shrinkage of powder compacts during heat-treatment was recorded dilatometrically and the major effects of milling seem to be to alter the grain size and morphology of the powder and to form a fine dispersion of small particles of Co3O4.Abstract:
Cemented carbide powders milled for various times have been studied with respect to the shape and internal structure of the grains. The shrinkage of powder compacts during heat-treatment was recorded dilatometrically. The major effects of milling seem to be to alter the grain size and morphology of the powder and to form a fine dispersion of small particles of Co3O4.read more
Citations
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Journal ArticleDOI
Microstructure development during sintering and heat-treatment of cemented carbides and cermets
TL;DR: In this paper, it was found that part of the hard phases are dissolved in the solid binder, transported by diffusion and re-precipitated onto undissolved hard grains with a composition given by the equilibrium conditions.
Journal ArticleDOI
Some Observations on the Milling Behaviour of Nitrogen-Atomized Cobalt Powder
D. W. Hopkins,R.G. Brooks +1 more
TL;DR: In this paper, a high-energy vibrational ball mill was used to dry-milled cobalt powder, which consisted essentially of porous agglomerates of fine, almost equiaxed particles.
References
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Journal ArticleDOI
The Effect of Cold‐Work Distortion on X‐Ray Patterns
B. E. Warren,B. L. Averbach +1 more
TL;DR: In this article, a cosine Fourier series and a set of An coefficients determined by measuring several orders of a given plane is used to obtain a distribution function of the strains directly from a Fourier transform of the An coefficients.
Journal ArticleDOI
Densification processes in the tungsten carbide-cobalt system*
R.F. Snowball,D. R. Milner +1 more
TL;DR: In this paper, the effect of the principal sintering variables (composition, temperature and time of sinter, particle size, ball-milling) on the densification of tungsten carbide-cobalt system was investigated.
Journal ArticleDOI
An x-ray line broadening study of the introduction and removal of strain in some refractory oxides
D. Lewis,M. W. Lindley +1 more
Journal ArticleDOI
Residual stresses and stress-strain behaviour of the WC-Co composite material
TL;DR: In this article, an X-ray diffraction determination of the carbide phase strain as a function of the overall strain on the tension side of bent strips was carried out on four WC-Co alloys with Co contents of from 6 to 15 weight percent.
Journal ArticleDOI
Lattice strain in tungsten carbide
D. C. Gillies,D. Lewis +1 more
TL;DR: In this article, X-ray studies have been made on tungsten carbide powders, sintered blocks, and tool tips with cobalt binding, to determine how this strain varies at different stages of treatment of the material.