Accession Number : ADA114948

Title :   Magnetostriction and Characterization of Bridgman Grown Rare-Earth Iron Alloys.

Descriptive Note : Final rept. FY 81,

Corporate Author : NAVAL SURFACE WEAPONS CENTER SILVER SPRING MD

Personal Author(s) : Savage,H T ; Clark,A E

PDF Url : ADA114948

Report Date : 01 Nov 1981

Pagination or Media Count : 23

Abstract : We have prepared large samples of Tb sub .27 Dy sub .73 Fe sub 2 and Tb sub .2Ho sub .58 Dy sub .22 Fe sub 2 by Bridgman-like technique developed at United Technology. The samples have much larger values of saturation magnetostriction than vertically zoned materials. The materials have been characterized by metallographic and x-ray topography studies. Seeded growth resulted in a superior crystallographic orientation. Plane front growth was achieved over most of the boule.

Descriptors :   *Magnetostriction, *Rare earth alloys, *Iron alloys, High power, Sonar, Terbium compounds, Dysprosium compounds, Single crystals, Crystal growth

Subject Categories : Metallurgy and Metallography
      Seismic Detection and Detectors
      Electricity and Magnetism

Distribution Statement : APPROVED FOR PUBLIC RELEASE