Some observations on the vibratory blending of metal powders.

Gary Lynn Messing, F. N. Rhines

Research output: Contribution to journalArticle

Abstract

Conclusions reached by this investigation include the following: (i) vibratory blending establishes a steady state in which homogenizing processes establish a balance with segregating processes; (ii) the major homogenizing process that is active in vibratory blending exists in the formation of a fluidized zone at the top surface of the bed. Convective and diffusive blending contribute to a lesser degree; (iii) segregation occurs by cluster formation as a result of convective action and also by percolation; (iv) differences in particle size promote segregation by percolation, particularly at size ratios above 2.5; and (v) the segregating tendency becomes less pronounced the broader the size distribution in the size fraction that is used in making the blend. (A)

Original languageEnglish (US)
Journal[No source information available]
StatePublished - Jan 1 2017

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metal powder
Powder metals
homogenizing
beds
tendencies
Particle size

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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title = "Some observations on the vibratory blending of metal powders.",
abstract = "Conclusions reached by this investigation include the following: (i) vibratory blending establishes a steady state in which homogenizing processes establish a balance with segregating processes; (ii) the major homogenizing process that is active in vibratory blending exists in the formation of a fluidized zone at the top surface of the bed. Convective and diffusive blending contribute to a lesser degree; (iii) segregation occurs by cluster formation as a result of convective action and also by percolation; (iv) differences in particle size promote segregation by percolation, particularly at size ratios above 2.5; and (v) the segregating tendency becomes less pronounced the broader the size distribution in the size fraction that is used in making the blend. (A)",
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Some observations on the vibratory blending of metal powders. / Messing, Gary Lynn; Rhines, F. N.

In: [No source information available], 01.01.2017.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Rhines, F. N.

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N2 - Conclusions reached by this investigation include the following: (i) vibratory blending establishes a steady state in which homogenizing processes establish a balance with segregating processes; (ii) the major homogenizing process that is active in vibratory blending exists in the formation of a fluidized zone at the top surface of the bed. Convective and diffusive blending contribute to a lesser degree; (iii) segregation occurs by cluster formation as a result of convective action and also by percolation; (iv) differences in particle size promote segregation by percolation, particularly at size ratios above 2.5; and (v) the segregating tendency becomes less pronounced the broader the size distribution in the size fraction that is used in making the blend. (A)

AB - Conclusions reached by this investigation include the following: (i) vibratory blending establishes a steady state in which homogenizing processes establish a balance with segregating processes; (ii) the major homogenizing process that is active in vibratory blending exists in the formation of a fluidized zone at the top surface of the bed. Convective and diffusive blending contribute to a lesser degree; (iii) segregation occurs by cluster formation as a result of convective action and also by percolation; (iv) differences in particle size promote segregation by percolation, particularly at size ratios above 2.5; and (v) the segregating tendency becomes less pronounced the broader the size distribution in the size fraction that is used in making the blend. (A)

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