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Electrospark powders of shape memory alloys
Powder Metallurgy and Metal Ceramics, 2007Powders of Ti-Ni and Ni-Mn-Ga alloys are obtained by the electrospark method. It is established that the largest particles are of irregular shape and the smaller ones are spherical. Some spherical particles are hollow. No carbon contamination is found within the Ti-Ni and Ni-Mn-Ga powders obtained in cryogen liquids.
G. E. Monastyrskii +7 more
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The shape anisotropy of metal powder on magnetism
Journal of Magnetism and Magnetic Materials, 1983Abstract The shape anisotropy effect on the magnetism of the acicular Fe-Co alloy powder has been investigated. The effect in the coercivity was nearly 10%. Therefore, the coercivity was affected mainly by the size of the single unit particles which composed the shape of the alloy powder.
Shintaro Suzuki +2 more
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The shape of particles in finely ground powders
Journal of the Society of Chemical Industry, 1946AbstractThe usual particle size analysis gives data on particle size distribution by weight or by values of a function related to it, e.g., the surface area of particles of the same weight. There are three methods for the determination of particle size in the sub‐sieve range Measuring the settling velocity, assuming Stokes' law.
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Shaping in periodic rolling of powders
Powder Metallurgy and Metal Ceramics, 1993O. A. Katrus, A. M. Musikhin
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