FRACTURE TOUGHNESS OF MATERIALS FOR LNG SERVICE

The static and dynamic fracture toughness of six ferrous and nonferrous materials for LNG service has been explored over the 76 K to 111 K range. The ferrous materials study included both ferritic iron-based alloys containing nickel and an austenitic iron-based alloy containing manganese and chromium. The nonferrous materials are aluminum magnesium alloys with varying magnesium content. Both base plates and weldments were included in the study. Evaluation of the materials was undertaken using a variety of toughness tests including J-integral analysis. The relative toughness of the materials varies depending on the toughness criterion selected. However, the results show that acceptable levels of toughness in the LNG range may be achieved in all the alloys tested even though they have quite different composition and microstructure.

• Supplemental Notes:
  • Sponsored by Cryogenic Engineering Conference Board and the International Cryogenics Materials Conference. Arranged by the National Bureau of Standards and the University of Colorado at Boulder. (Paper No. CB-8) Vol. 24 to be published in 1979.
• Corporate Authors:

  Plenum Publishing Company

  227 West 17th Street
  New York, NY  United States  10011
• Authors:
  • Pense, S W
  • Stout, R D
  • Somers, B
• Publication Date: 0

Media Info

• Serial:
  • Advances in Cryogenic Engineering
  • Issue Number: 0
  • Publisher: Plenum Publishing Company

Subject/Index Terms

• TRT Terms: Cryogenic materials; Fracture properties; Joints (Engineering); Liquefied gases; Liquefied natural gas; Low temperature materials; Shipbuilding; Steel plates; Welding; Welds
• Uncontrolled Terms: Welded joints
• Subject Areas: Marine Transportation; Materials;

Filing Info

• Accession Number: 00157155
• Record Type: Publication
• Source Agency: Cryogenics Engineering Conference
• Files: TRIS
• Created Date: Aug 4 1977 12:00AM