A method to calculate the bulk hardness of metal matrix composite using Hadfield steel reinforced with niobium carbide particles as an example

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DOIResolve DOI: http://doi.org/10.1016/j.mechmat.2017.06.005
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TypeArticle
Journal titleMechanics of Materials
ISSN0167-6636
1872-7743
Volume112
Pages154162
Subjectmetal matrix composite; microstructure; hardness; finite element method; hadfield steel; niobium carbide; representative equivalent volume
AbstractA conceptual model is proposed in this paper to calculate the bulk hardness of particle-reinforced metal matrix composites. Hadfield steel with niobium carbide particles is taken as an example to show the feasibility of this proposed method. A micro-scale concept called representative equivalent volume is used to investigate the heterogeneous microstructure and the impact of water quenching on the equivalent mechanical properties of the metal matrix composite. Furthermore, the continuum-scale indentation process used in laboratory hardness testing is simulated by the finite element method based on the stress-strain curves obtained from the micro-scale modeling. The simulated hardness is compared with laboratory measurements and a good agreement is observed confirming the model.
Publication date
PublisherElsevier
LanguageEnglish
AffiliationEnergy, Mining and Environment; National Research Council Canada
Peer reviewedYes
NPARC number23002188
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Record identifierfa01e03c-1712-4749-bd41-bf7643b71524
Record created2017-08-31
Record modified2017-08-31
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