High Temperature Properties and Aging-Stress Related Changes of FeCo Materials

Abstract

This publication focuses on high temperature magnetic, mechanical, and electrical properties of three Fe-Co alloys intended for use in high stress and high temperature environments. The specific alloys of interest are Hiperco(trade name) Alloy 27, Hiperco(trade name) Alloy 50 and Hiperco(trade name) Alloy 50 HS. Aging related changes in magnetic, mechanical, and electrical performance throughout the material's lifetime are documented. The effect of compressive and tensile stresses that may originate from product assembly and rotational forces during operation was also studied. Information contained in this publication is only specific to the alloys with given annealing conditions since magnetic and mechanical properties depend greatly on the annealing conditions performed after cold deformation. However, absence of any grain growth during 500 deg C aging up to 5,000 hours indicates that the observed trends should be representative for the same alloy compositions with different annealing histories.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 2006
Accession Number
ADA460527

Entities

People

  • John Horwath
  • Richard Fingers
  • Zafer Turgut

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Annealing
  • Creep
  • Electrical Properties
  • Grain Growth
  • Heat Treatment
  • High Temperature
  • Magnetic Materials
  • Magnetic Properties
  • Materials
  • Measurement
  • Mechanical Properties
  • Phase Transformations
  • Physical Properties
  • Stress Strain Relations
  • Stresses
  • Tensile Stress

Fields of Study

  • Materials science

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Metallurgy
  • Superconducting Magnet Technology