The compressive response of a titanium foam at low and high strain rates

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DOIResolve DOI: http://doi.org/10.1007/s10853-010-5147-3
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TypeArticle
Journal titleJournal of Materials Science
ISSN0022-2461
Volume46
Issue8
Pages27412747; # of pages: 7
SubjectApplied strain; Compressive response; Compressive strain; High rate; High strain rates; Plastic collapse; Rate sensitive; Relative density; Strain hardening rate; Strain rate sensitivity; Titanium foams; Titanium powders; Uni-axial compression; Metallurgy; Sintering; Strain hardening; Titanium; Yield stress; Strain rate
AbstractSintered titanium powder and titanium foams of relative density ranging from 0.3 to 0.9 were produced by powder metallurgy routes and tested in uniaxial compression at low, medium and high rates of strain. At all strain rates, the foams deform by plastic collapse of the pores, accompanied by micro-cracking at compressive strains exceeding 0.2. The foams investigated are strain rate sensitive, with both the yield stress and the strain hardening rate increasing with applied strain rate. The strain rate sensitivity is more pronounced for foams of lower relative density. © 2010 Springer Science+Business Media, LLC.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Industrial Materials Institute (IMI-IMI)
Peer reviewedYes
NPARC number21271071
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Record identifiera5efde63-96f9-43c3-929d-db3a0fe679a7
Record created2014-03-24
Record modified2016-05-09
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