SYMPOSIA PAPER Published: 01 January 1975
STP29165S

Low Temperature Fracture Behavior of Iron-Nickel Alloy Steels

Source

Fracture toughness tests over the interval 298 to 4 K and fatigue crack growth rate tests at 298, 111, and 76 K are reported on selected iron-nickel (Fe-Ni) alloys which are commercially available for potential use in storage or transportation of liquefied natural gas (LNG). These alloys include Fe-6Ni and Fe-5Ni in newly developed three-step heat treatments and Fe-9Ni in the quenched and tempered condition. Linear elastic fracture mechanics parameters (KQ, KIC) and J-integral (JIC) test data are presented for 1.25-in.-thick compact specimens. Discussion includes comparisons of fatigue crack growth rate and fracture data between alloys.

Author Information

Tobler, RL
Institute for Basic Standards, National Bureau of Standards, Boulder, Colo.
Mikesell, RP
Institute for Basic Standards, National Bureau of Standards, Boulder, Colo.
Durcholz, RL
Institute for Basic Standards, National Bureau of Standards, Boulder, Colo.
Reed, RP
Institute for Basic Standards, National Bureau of Standards, Boulder, Colo.
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Details
Developed by Committee: E50
Pages: 261–287
DOI: 10.1520/STP29165S
ISBN-EB: 978-0-8031-4659-4
ISBN-13: 978-0-8031-0538-6