Report on the Effect of Cold Working on the Magnetic Properties of Some Austenitic Manganese Steels

Abstract

Non-magnetic armor plate is usually made from austenitic steels which when cold worked, tend to become magnetic. Samples from a number of widely different types of austenitic alloys suitable for non-magnetic armor were subjected to varying degrees of cold reduction, and studied magnetically. It was found that the high carbon manganese alloys have a great capacity of acquiring high surface hardness upon deformation and of still retaining their weak magnetic characteristics; the low carbon alloys on the other hand, are weakly magnetic for small amounts of cold working but become increasingly magnetic with further reactions. In any case these alloys are all much less magnetic than armor of the "STS" type.

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Document Details

Document Type
Technical Report
Publication Date
May 16, 1942
Accession Number
AD1165767

Entities

People

  • Louis A. Carapella

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Alloys
  • Armor
  • Armor Plate
  • Carbon
  • Carbon Alloys
  • Chemical Analysis
  • Chemical Compounds
  • Chemistry
  • Cold Working
  • Ferromagnetic Materials
  • Hardness
  • Heat Treatment
  • Magnetic Alloys
  • Magnetic Properties
  • Manganese
  • Manganese Alloys
  • Materials
  • Measurement
  • Munitions
  • Paramagnetic Materials
  • Permeability

Fields of Study

  • Physics

Readers

  • Educational Psychology
  • Metallurgy
  • Superconducting Magnet Technology