Interstitial elements in titanium powder metallurgy: sources and control

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DOIResolve DOI: http://doi.org/10.1179/174329011X13045076771759
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TypeArticle
Journal titlePowder Metallurgy
Volume54
Issue3
Pages183186; # of pages: 4
AbstractThe effect of interstitials on the mechanical properties of cast and wrought titanium alloys has been extensively reported but less information is available on the effect of contamination during PM processing. The sources of interstitial contamination when processing titanium powders by compaction, isostatic pressing, powder injection moulding (PIM) and innovative foaming processes are reviewed, focusing specifically on oxygen. The initial powder characteristics (surface area, size), process parameters (time, temperature) and environment (atmosphere, binder, support) may all have significant impact on the final interstitial content. It is, therefore, important to identify and control the sources of contamination by interstitials. A case study on PIM is provided to illustrate the relative contribution of the different sources.
Publication date
LanguageEnglish
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NRC number54260
NPARC number18371419
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Record identifier6a2432ae-9e1a-4784-a47d-fb4f5eb32bdb
Record created2011-08-03
Record modified2017-03-23
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