Atomizing nozzle and process

Anderson, Iver E; Figliola, Richard S; Molnar, Holly M

Title: Atomizing nozzle and process

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Abstract

High pressure atomizing nozzle includes a high pressure gas manifold having a divergent expansion chamber between a gas inlet and arcuate manifold segment to minimize standing shock wave patterns in the manifold and thereby improve filling of the manifold with high pressure gas for improved melt atomization. The atomizing nozzle is especially useful in atomizing rare earth-transition metal alloys to form fine powder particles wherein a majority of the powder particles exhibit particle sizes having near-optimum magnetic properties.

Inventors:

Anderson, Iver E ^[1]; Figliola, Richard S ^[2]; Molnar, Holly M ^[3]

Ames, IA
Central, SC
Palm Bay, FL

Issue Date:: 1992-06-30

Research Org.:: Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States)

OSTI Identifier:: 868364

Patent Number(s):: 5125574

Application Number:: 07/593,942

Assignee:: Iowa State University Research Foundation (Ames, IA)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER

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B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER
B22F9/082 - {atomising using a fluid

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DOE Contract Number:: W-7405-ENG-82

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: atomizing; nozzle; process; pressure; gas; manifold; divergent; expansion; chamber; inlet; arcuate; segment; minimize; standing; shock; wave; patterns; improve; filling; improved; melt; atomization; especially; useful; rare; earth-transition; metal; alloys; form; fine; powder; particles; majority; exhibit; particle; sizes; near-optimum; magnetic; properties; gas inlet; especially useful; shock wave; pressure gas; transition metal; rare earth; particle size; metal alloy; powder particles; metal alloys; atomizing nozzle; expansion chamber; earth-transition metal; rare earth-transition; magnetic properties; particle sizes; fine powder; pressure atomizing; standing shock; minimize standing; form fine; gas manifold; wave patterns; improved melt; optimum magnetic; wave pattern; arcuate manifold; divergent expansion; manifold segment; /239/

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                    Anderson, Iver E, Figliola, Richard S, and Molnar, Holly M. Atomizing nozzle and process.  United States: N. p., 1992. 
        Web.

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                    Anderson, Iver E, Figliola, Richard S, & Molnar, Holly M. Atomizing nozzle and process.  United States.

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                    Anderson, Iver E, Figliola, Richard S, and Molnar, Holly M. Tue .  
        "Atomizing nozzle and process".  United States.  https://www.osti.gov/servlets/purl/868364.

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@article{osti_868364,

  title        = {Atomizing nozzle and process},

  author       = {Anderson, Iver E and Figliola, Richard S and Molnar, Holly M},

  abstractNote = {High pressure atomizing nozzle includes a high pressure gas manifold having a divergent expansion chamber between a gas inlet and arcuate manifold segment to minimize standing shock wave patterns in the manifold and thereby improve filling of the manifold with high pressure gas for improved melt atomization. The atomizing nozzle is especially useful in atomizing rare earth-transition metal alloys to form fine powder particles wherein a majority of the powder particles exhibit particle sizes having near-optimum magnetic properties.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1992},

  month        = {6}

}

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