Fracture Toughness Characterization of Shipbuilding Steels.

Abstract

New fracture control guidelines for welded ship hulls have been proposed as a result of an investigation sponsored by the Ship Structure Committee of the Maritime Transportation Research Board. These guidelines include fracture toughness requirements in terms of the Drop Weight-NDT temperature Dynamic Tear (DT) energy. To aid the implementation of these criteria an exploratory program was undertaken to characterize the dynamic fracture toughness of ordinary-strength shipbuilding steels, namely, ABS Grades A, B, C, D, E, and CS. Test materials (plate) were obtained at random from several shipyards and steel mills in an effort to characterize the products of current steel making practice. Fracture toughness trends were defined by means of Drop Weight-NDT, 1-in. DT and standard Charpy V-notch tests and the observed toughness characteristics were compared with the proposed toughness criteria. (Modified author abstract)

Document Details

Document Type
Technical Report
Publication Date
Jul 10, 1974
Accession Number
AD0785034

Entities

People

  • F. J. Loss
  • J. R. Hawthorne

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Abstracts
  • Marine Transportation
  • Materials
  • Ship Hulls
  • Shipbuilding
  • Shipyards
  • Standards
  • Toughness
  • Transportation
  • Walls

Readers

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