Please use this identifier to cite or link to this item: https://doi.org/10.3389/fmats.2021.807900
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dc.titleInfluence of Calcined Bauxite Aggregate on the Resistance of Cement Composites Subjected to Small Caliber Deformable Projectile Impact
dc.contributor.authorZhang, Fengling
dc.contributor.authorZhong, Rui
dc.date.accessioned2022-10-12T07:52:44Z
dc.date.available2022-10-12T07:52:44Z
dc.date.issued2021-12-13
dc.identifier.citationZhang, Fengling, Zhong, Rui (2021-12-13). Influence of Calcined Bauxite Aggregate on the Resistance of Cement Composites Subjected to Small Caliber Deformable Projectile Impact. Frontiers in Materials 8 : 807900. ScholarBank@NUS Repository. https://doi.org/10.3389/fmats.2021.807900
dc.identifier.issn2296-8016
dc.identifier.urihttps://scholarbank.nus.edu.sg/handle/10635/232265
dc.description.abstractThis paper presents an experimental investigation on the influence of calcined bauxite aggregate (CBA) on the resistance of cement composites subjected to small caliber deformable projectile impact at a designed velocity of 400 m/s. The deformable projectile was made from copper with a purity of 99.5% and a diameter of 8.0 mm. Compared to mixtures with conventional coarse granite aggregate and/or siliceous fine aggregate, the incorporation of either fine or coarse CBA or their combination is beneficial in reducing the depth of penetration (DOP), equivalent crater diameter (CD), and crater volume (CV) caused by deformable projectile impact. CBA is found to be more effective in controlling the DOP and CV in comparison to the CD. Replacing of conventional aggregate with CBA leads to more severe damage to the projectiles (e.g., projectile length reduction, diameter increase, and mass loss). Relative effective hardness is an effective indicator to the deformation potential and penetration capacity of a deformable projectile to impact cement composites incorporating CBA. Copyright © 2021 Zhang and Zhong.
dc.publisherFrontiers Media S.A.
dc.rightsAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceScopus OA2021
dc.subjectcalcined bauxite
dc.subjectcement composites
dc.subjectcrater
dc.subjectpenetration depth
dc.subjectprojectile impact
dc.typeArticle
dc.contributor.departmentDEPT OF CIVIL & ENVIRONMENTAL ENGG
dc.description.doi10.3389/fmats.2021.807900
dc.description.sourcetitleFrontiers in Materials
dc.description.volume8
dc.description.page807900
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