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A study of the hydrogen effects on the microstructure and tensile properties of (alpha(2)+B2) titanium-25 percent aluminum-10 percent niobium-3 percent vanadium-1 percent molybdenum titanium aluminide alloy

Posted on:1996-10-12Degree:Ph.DType:Dissertation
University:Carnegie Mellon UniversityCandidate:Pierron, XavierFull Text:PDF
GTID:1461390014987506Subject:Engineering
Abstract/Summary:
revious studies have shown that hydrogen has a detrimental effect on the mechanical properties of titanium aluminides Ti;In order to better understand the effects of hydrogen on the mechanical properties in these alloys, a study of the hydrogen effects on the microstructure of the Super-;Three Ti-25Al-10Nb-3V-1Mo microstructures were tested in tension for hydrogen contents ranging from 300 wppm to 2900 wppm. For low hydrogen contents, hydrogen induced a loss in ductility without significant increase in strength, and it is proposed that hydrogen increased slip planarity in the...
Keywords/Search Tags:Hydrogen, Mechanical, Percent, Engineering
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