Elevated Temperature Properties of Steels.

Abstract

ASTM A723 and D6AC gun steels were evaluated for various high-temperature physical and mechanical properties, including specific heat, thermal expansion, stress relaxation, tensile, Young's modulus. and Poisson's ratio. Most tests were conducted at ambient temperature, 200 deg C, 300 deg C. and 400 deg C. A creep law was generated from the stress relaxation data that predicted the amount of creep strain at a given temperature as a function of stress and time. These data can be used, for example,to predict the amount of autofrettage stress lost at elevated temperatures and to establish safe gun tube service lives for various firing scenarios.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1996
Accession Number
ADA317919

Entities

People

  • Alexander C. Fish
  • D. Crayon
  • G. N. Vigilante
  • G. P. O'hara
  • T. Hickey

Organizations

  • United States Army Armament Research, Development and Engineering Center

Tags

Communities of Interest

  • Cyber
  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Engineering
  • Heat Capacity
  • Heat Treatment
  • High Temperature
  • Materials
  • Measurement
  • Mechanical Properties
  • Mechanics
  • Military Research
  • Modulus Of Elasticity
  • Physical Properties
  • Specific Heat
  • Strain Gages
  • Stresses
  • Tensile Strength
  • Thermal Expansion
  • Yield Strength

Fields of Study

  • Materials science

Readers

  • Reinforced Composite Materials
  • Thermal Physics or Thermal Science.
  • ballistics.