Effect of environments of sodium hydroxide, air, and argon on the stress-rupture properties of nickel at 1500 F

Howard T. Mchenry, H. B. Probst
naca-tn-3987
Jan 1958


The stress-rupture properties of commercially pure nickel at 1500 degrees F were determined for its application as a container material for molten sodium hydroxide. Stress-rupture tests of L-nickel tubes containing sodium hydroxide were run with atmospheres of air or argon external to the tubes. In addition, in order to establish the effects of oxidizing and inert environments on the strength of nickel tubes, various combinations of air and argon environments inside and outside of tubes devoid of sodium hydroxide were used.

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