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Microstructure analysis and Hardness of Al C355.0 with step varying weight of Hematite particulate reinforcement

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dc.contributor.authorRajesh, T.R.
dc.contributor.authorVenkatanarayan, B.
dc.contributor.authorVutukuru, S.K.
dc.contributor.authorPrabhakar Kammar, B.
dc.date.accessioned2023-10-30T11:25:13Z
dc.date.available2023-10-30T11:25:13Z
dc.date.issued2023
dc.descriptionReceived: December 23rd, 2022 ; Accepted: July 17th, 2023 ; Published: October 16th, 2023 ; Correspondence: rajeshtrgcem@gmail.comeng
dc.description.abstractA detail study on the microstructure of engineered Al C355.0 metal matrix with step varying weight of hematite particulate reinforcement from 0–12% in the step of 3% by using stir casting method in the copper chills with and without water circulation is carried out in the present work. It was earlier realized that copper chills increase the hardness of metal matrix compared to its base alloy. The novelty lies in the circulation of water during solidification process so that a stronger matrix reinforcement bonding, low cluster regions, grain reinfinement with minimum porosity could be achieved. The maximum hematite particulate size was 150 μm. From the Scanning Electron microscope, it is clear that there was good distribution of reinforcement in the matrix but not exactly clear whether it is uniform or non-uniformly distributed. SEM and XRD analysis results show the presence of hematite in the matrix. With increase in reinforcement the hardness increased up to 9% of the reinforcement and then decreased. It is concluded that water circulation on casted composites have good effect in improving the hardness of the Al C355.0 at 9% of hematite resulting to BHN 128 and without water circulation it was found to be BHN 124. It is realized that water circulation improves the hardness of the composite for all the cases with hematite as particulate reinforcement for Al C355.0.eng
dc.identifier.issn2228-4907
dc.identifier.publicationAgronomy Research, 2023, vol. 21, no. 2, pp. 883–896eng
dc.identifier.urihttp://hdl.handle.net/10492/8633
dc.identifier.urihttps://doi.org/10.15159/ar.23.087
dc.publisherEstonian University of Life Scienceseng
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)eng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectcopper chillseng
dc.subjecthematiteeng
dc.subjectmicrostructureeng
dc.subjectwater circulationeng
dc.subjectarticleseng
dc.titleMicrostructure analysis and Hardness of Al C355.0 with step varying weight of Hematite particulate reinforcementeng
dc.typeinfo:eu-repo/semantics/articleeng

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2023, Vol. 21, No. 2