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

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:
 [1];  [2];  [3]
  1. Greenbelt, MD
  2. Adelphi, MD
  3. Ames, IA
Issue Date:
Research Org.:
Ames Lab., Ames, IA (United States); 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
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
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.
Savage, Howard T, Clark, Arthur E, & McMasters, O Dale. Rare earth-iron magnetostrictive materials and devices using these materials. United States.
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.
@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}
}