Production of Abrasive Sandpaper using Periwinkle Shells and Crab Shells.

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dc.contributor.authorAmbali, I. O.
dc.contributor.authorShuaib-Babata, Y. L.,
dc.contributor.authorAbdulqadir, L. B.,
dc.contributor.authorIbrahim, H. K.,
dc.contributor.authorAremu, N. I.
dc.contributor.authorIbraheem, T. O.
dc.date.accessioned2021-10-12T10:41:59Z
dc.date.available2021-10-12T10:41:59Z
dc.date.issued2020-06-30
dc.description.abstractIn this study, the properties of periwinkle shell and crab shell grains, such as hardness, compressive strength and wear resistancewere examinedfor their suitability as abrasive materials. The binding effect of polyester resin at high concentrationwas also considered. Through the processof crushing, grinding and subsequently sieving using ASTM E11 set of sieves, the shells were processedinto grit standards grain sizes of P40 and P60. Furthermore, by mixing and mould compression using a hydraulic press polymer matrix composite with particles varying from 96 wt.% to 92 wt.% and resin 3 wt.% to 7 wt.% with 1 wt.% each of cobalt naphthalene and methyl ethyl ketone peroxide hardenerrespectively were developedfrom the grits. It was found that, with an increase in polyester resin content, thehardness and compressive strength increased, while the wear rate decreased. The composition with 92 wt.% periwinkle shell grains to 7 wt.% polyester resin was found to be with the most improved abrasive properties.en_US
dc.description.sponsorshipEngr. I. O. Ambalien_US
dc.identifier.citationAmbali, I. O., Shuaib-Babata, Y. L., Abdulqadir, L. B., Ibrahim, H. K., Aremu, N. I. & Ibraheem, T. O.(2020): Production of Abrasive Sandpaper using Periwinkle Shells and Crab Shells. International Journal of Engineering Materials and Manufacture. 5(2); 55-61. DOI:10.26776/ijemm.05.02.2020.04en_US
dc.identifier.otherDOI:10.26776/ijemm.05.02.2020.04
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/6568
dc.language.isoenen_US
dc.publisherPublished by Deer Hill Publications, B-19-06 PV8, Platinum Hill Condominium Jalan Melati Utama, 53100 Kuala Lumpur Malaysia.en_US
dc.relation.ispartofseries5(2);55-61
dc.subjectAbrasive propertiesen_US
dc.subjectPeriwinkle shellen_US
dc.subjectCrab shellen_US
dc.subjectWear Rateen_US
dc.titleProduction of Abrasive Sandpaper using Periwinkle Shells and Crab Shells.en_US
dc.typeArticleen_US

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The properties of each of the samples varied as a result of the different mixing ratio of the grains composition and resin concentration. Calcium oxide largely dominated the composition of the periwinkle shell grains with concentration approximately 90%. Under compressive stresses, the grains wereliableto distortion and grain disorientation. The periwinkle/polyester resin composite’s hardness and compressive strength increased gradually with increase in the resin’s concentration from 3 to 7 wt.%. Meanwhile, with increased in the resin concentration and reduction in grains composition, the wear reduced.Interfacial bonding between the combination of periwinkle grains and crab shells with polyester resin attributed to the improvement in the tested properties of the composite. The composition from 92 wt.% and resin at 7 wt.%, and 1 wt.% for methyl ethyl ketone peroxide hardener and cobalt naphthalene each exhibited the most suitable abrasive properties (such as hardness, wear resistance and compressive strength)considered as the appropriate alternative material for abrasive sandpaper production. The properties of the agro-waste sandpaper exhibited possible applications as abrasive grits with further improvement
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