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Multi objective prediction and optimization of control parameters in the milling of aluminium hybrid metal matrix composites using ANN and Taguchi-grey relational analysis

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Defence Technology（防务技术） 2019年第4期15卷 545-556页

作者： s.Ajith Arul Daniel R.Pugazhenthi R.Kumar S.Vijayananth Department of Mechanical Engineering Vels Institute of ScienceTechnology and Advanced Studies

This study aims to optimize the input parameters such as mass fraction and particle size of siC along with depth of cut,feed and cutting speed in the milling of Al5059/siC/Mos2.The hybrid metal matrix composites are generally fabricated by reinforcing of different sizes(10,20,40 μm)of siC with aluminium at a different levels(5%,10%& 15%)whereas the Mos2 addition is fixed as 2%.The effect of each control factor on response variables are analyzed through Taguchi s/N ratio method.Also,the most significant method for prediction of response parameters is satisfied by ANN model than the regression model.Analysis of variance(ANOVA)results envisage that mass fraction of siC,feed rate is the most domineering factor on response variable.

关键词： silicon carbide Temperature surface roughness Cutting forces Artificial neural network Grey relational analysis

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Effect of Bio-filler on Hybrid sisal-Banana-Kenaf-Flax Based Epoxy Composites:A statistical Correlation on Flexural strength

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Journal of Bionic Engineering 2020年第6期17卷 1263-1271页

作者： somasundaram Vivek Karuppusamy Kanthave Arun TorriS.Vijayananth Kavimani Department of Mechanical Engineering Anna University Regional CampusCoimbatore 641046Tamil NaduIndia Polymer science and Engineering Division CSIR-National Chemical LaboratoryDr.Homi Bhabha RoadPune411008MaharashtraIndia Department of Mechanical Engineering Karpagam Academy of Higher EducationCoimbatore 641021Tamil NaduIndia

This work deals with the investigation of the synergistic effect of bagasse ash with sisal-banana-kenaf-flax fibers reinforced epoxy composite for their flexural behavior.The composites with three combinations of hybrid fibers viz.sisal/kenaf(HsK),banana/kenaf(HBK),and banana/flax(HBF)with bagasse ash(BGA)as filler material are fabricated using vacuum bag assisted resin transfer molding.Experiments were conducted based on L27 orthogonal array to understand the influence of control factor viz.fiber volume,alkali concentration&BGA over output response.A'-ray micro computed tomography analysis was conducted over the developed sample to infer the uniform dispersion of fiber and filler material.The experimental results reveal that the addition of fiber up to 30 vol%depicts better strength and further addition results in a negative impact.Increasing in order of BGA decreases the flexural strength of the developed composites.

关键词： bagasse ash natural fiber flexural strength X-ray micro computed tomography vacuum bag assisted resin transfer molding

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