Six full scale specimens, similar in design to a hatch corner of a ship, were constructed from a low carbon, ship quality, semi-killed steel and tested to failure. One tested at 120 deg F gave a shear type fracture. All others tested at room temperature failed with cleavage type fractures. Two which were welded with preheat at 400 deg F showed superior performance, both in strength and energy absorption. Two which were fabricated by riveting gave inferior performance. An investigation was conducted to determine the effects of preheat and a comparison made with the effects of 1000 deg F postheat treatment for 8 hours. Studies were made of quarter scale symmetrical and asymmetrical hatch corner models to determine which type of specimen would best duplicate the stress condition existing in actual ships.

  • Corporate Authors:

    University of California, Berkeley

    College of Engineering
    Berkeley, CA  United States  94720

    Ship Structure Committee

    National Academy of Science, 2101 Constitution Avenue, NW
    Washington, DC  United States  20418
  • Authors:
    • DeGarmo, E P
    • Meriam, J L
    • Grassi, R C
    • Harman, J W
    • O'Brien, M P
  • Publication Date: 1946-7-24

Media Info

  • Features: References;
  • Pagination: 71 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00330974
  • Record Type: Publication
  • Source Agency: Ship Structure Committee
  • Report/Paper Numbers: SSC- 1 Prog Rpt.
  • Contract Numbers: NObs-31222
  • Files: TRIS
  • Created Date: May 21 1981 12:00AM