The effect of oxygen, nitrogen and carbon on the microstructure and compression properties of titanium foams

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DOIResolve DOI: http://doi.org/10.1557/jmr.2013.114
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TypeArticle
Journal titleJournal of Materials Research
ISSN0884-2914
Volume28
Issue17
Pages24532460; # of pages: 8
AbstractThis paper presents the effect of oxygen, nitrogen, and carbon concentration on the microstructure and properties of titanium foams produced with a powder metallurgy process. Oxygen and nitrogen reduce the ductility and increase the compression yield strength of CpTi foams. The effect of nitrogen appears to be similar to the effect of oxygen, a trend different from the ones reported in the literature for dense titanium in tension, where the effect of nitrogen is recognized to be significantly more important than the effect of oxygen. For carbon, the levels investigated were above the room temperature solubility limit of carbon in α-Ti and titanium carbides were observed in the microstructure. The volume fraction of carbides observed in the microstructure increased with carbon content. The effect of the carbides on the compression properties and ductility of the titanium foams is, however, small compared to the effect of oxygen and nitrogen. © Crown Copyright, Published by the Materials Research Society 2013.
Publication date
LanguageEnglish
AffiliationAutomotive and Surface Transportation; National Research Council Canada
Peer reviewedYes
NPARC number21270484
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Record identifier8de79dcd-4c39-40e1-a25a-e16edfa1cc10
Record created2014-02-13
Record modified2016-05-09
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