Evaluation of Fracture Criteria for Ship Steels and Weldments.

Abstract

The purpose of this report is to review in the light of currently existing data the fracture-toughness guidelines for welded ship hull steels first proposed in 1974. The essence of the guidelines was an NDT temperature requirement of 0 deg F for steel used in primary load-carrying members and an NDT temperature requirement of 20 deg F for steels used in secondary load carrying members. A subsidiary requirement for primary members was a dynamic tear energy in 5/8 in. specimens, depending on steel strength, of 250 to 500 ft-lb. at 75 deg F. Crack-arrest materials would be required to have a dynamic tear energy in 5/8 in. specimens, again depending on steel strength, of 600 to 800 ft-lb. at 32 deg F.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1981
Accession Number
ADA117059

Entities

People

  • Alan W. Pense

Organizations

  • Lehigh University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Charpy Impact Tests
  • Engineering
  • Fracture (Mechanics)
  • Geometry
  • Impact Tests
  • Materials
  • Mechanical Properties
  • Mechanical Working
  • Mechanics
  • Residual Stress
  • Static Tests
  • Tensile Strength
  • Test And Evaluation
  • Test Methods
  • Transition Temperature
  • Two Dimensional
  • Yield Strength

Fields of Study

  • Materials science

Readers

  • Materials Science (Mechanical Engineering).
  • Metallurgy
  • Systems Analysis and Design