Rare earth-iron magnetostrictive materials and devices using these materials

Savage, Howard T; Clark, Arthur E; McMasters, O Dale

Title: Rare earth-iron magnetostrictive materials and devices using these materials

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Abstract

Grain-oriented polycrystalline or single crystal magnetostrictive materials n the general formula Tb.sub.x Dy.sub.1-x Fe.sub.2-w, Tb.sub.x Ho.sub.1-x Fe.sub.2-w, Sm.sub.x Dy.sub.1-x Fe.sub.x-w, Sm.sub.x Ho.sub.1-x Fe.sub.2-w, Tb.sub.x Ho.sub.y Dy.sub.z Fe.sub.2-w, or Sm.sub.x Ho.sub.y Dy.sub.z Fe.sub.2-w, wherein O.ltoreq.w.ltoreq.0.20, and x+y+z=1. X, y, and z are selected to maximize the magnetostrictive effect and the magnetomechanical coupling coefficient K.sub.33. These material may be used in magnetostrictive transducers, delay lines, variable frequency resonators, and filters.

Inventors:

Savage, Howard T ^[1]; Clark, Arthur E ^[2]; McMasters, O Dale ^[3]

Greenbelt, MD
Adelphi, MD
Ames, IA

Issue Date:: 1981-12-29

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

OSTI Identifier:: 864086

Patent Number(s):: 4308474

Application Number:: 06/094,250

Assignee:: United States of America as represented by Secretary of Navy (Washington, DC)

Patent Classifications (CPCs):: C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH

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C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH
C30B11/00 - Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
C30B13/00 - Single-crystal growth by zone-melting
C30B29/52 - Alloys

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

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: rare; earth-iron; magnetostrictive; materials; devices; grain-oriented; polycrystalline; single; crystal; formula; tb; 1-x; 2-w; x-w; z; ltoreq; 20; selected; maximize; effect; magnetomechanical; coupling; coefficient; 33; material; transducers; delay; lines; variable; frequency; resonators; filters; rare earth-iron; variable frequency; rare earth; single crystal; mechanical coupling; coupling coefficient; delay line; magnetostrictive materials; magnetostrictive material; delay lines; magnetostrictive transducers; frequency resonator; magnetostrictive transducer; /310/148/

Citation Formats


                    Savage, Howard T, Clark, Arthur E, and McMasters, O Dale. Rare earth-iron magnetostrictive materials and devices using these materials.  United States: N. p., 1981. 
        Web.

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                    Savage, Howard T, Clark, Arthur E, & McMasters, O Dale. Rare earth-iron magnetostrictive materials and devices using these materials.  United States.

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                    Savage, Howard T, Clark, Arthur E, and McMasters, O Dale. Tue .  
        "Rare earth-iron magnetostrictive materials and devices using these materials".  United States.  https://www.osti.gov/servlets/purl/864086.

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@article{osti_864086,

  title        = {Rare earth-iron magnetostrictive materials and devices using these materials},

  author       = {Savage, Howard T and Clark, Arthur E and McMasters, O Dale},

  abstractNote = {Grain-oriented polycrystalline or single crystal magnetostrictive materials n the general formula Tb.sub.x Dy.sub.1-x Fe.sub.2-w, Tb.sub.x Ho.sub.1-x Fe.sub.2-w, Sm.sub.x Dy.sub.1-x Fe.sub.x-w, Sm.sub.x Ho.sub.1-x Fe.sub.2-w, Tb.sub.x Ho.sub.y Dy.sub.z Fe.sub.2-w, or Sm.sub.x Ho.sub.y Dy.sub.z Fe.sub.2-w, wherein O.ltoreq.w.ltoreq.0.20, and x+y+z=1. X, y, and z are selected to maximize the magnetostrictive effect and the magnetomechanical coupling coefficient K.sub.33. These material may be used in magnetostrictive transducers, delay lines, variable frequency resonators, and filters.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1981},

  month        = {12}

}

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