SEDL / STP / STP204-EB / STP44149S

The Effects of Carbon and Nitrogen Contamination on the Notch Tensile Properties of Titanium

Klier, E P
Professor of Metallurgy, Syracuse University, Syracuse, N. Y.

Feola, N J
Assistant Project Engineer, Curtiss-Wright Corp., Buffalo, N. Y.

Pages: 11    Published: Jan 1957

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Abstract

It has been shown that the notch sensitivity of unalloyed titanium as determined in the notch tension test differs from that measured in the Charpy V-notch impact test. The ductile-brittle transition in the notch tension test occurs at a much lower testing temperature than does that for the impact test.

At a testing temperature of −100 F (−73 C) neither 0.26 per cent carbon nor 0.23 per cent nitrogen leads to embrittlement in unalloyed titanium as determined in the notch tension test.