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Performance analysis of cow dung as an eco-friendly additive material for sustainable moulding and casting

China Foundry 2019年第6期16卷 423-429页

作者： Manjunath Patel G C Kapil Gupta ganesh chate Mahesh B Parappagoudar Sandeep M Jayashankar Umesh M Daivagna Dept.of Mechanical Engineering PES Institute of Technology and ManagementShivamoggaAffiliated to Visvesvaraya Technological UniversityBelagaviIndia Dept.of Mechanical and Industrial Engineering Technology University of JohannesburgSouth Africa Dept.of Mechanical Engineering KLS Gogte Institute of TechnologyBelgaumAffiliated to Visvesvaraya Technological UniversityBelagaviIndia Dept.of Mechanical Engineering Padre Conceicao College of EngineeringVernaIndia Dept.of Mechanical Engineering Ballari Institute of Technology and ManagementBellaryAffiliated to Visvesvaraya Technological UniversityBelagaviIndia

In the present work,an attempt is made to partially replace high cost silica sand with sustainable eco-friendly *** practical utility of cow dung as an additive material that facilitates binding in sand moulds has been *** Taguchi method is used to plan and conduct nine experiments with three replicates *** analysis of variance study is performed to understand the practical significance of moulding sand variables,that is,percentage of cow dung,clay,water,and degree of ramming on sand mould *** conflicting multiple objective functions(maximize mould hardness,and minimize collapsibility and gas evolution)are optimized by utilizing the Data Envelopment Analysis Ranking(DEAR)*** optimal parameters i.e.6%of clay,4%of water,5%of cow-dung and 4 numbers of ramming strokes are obtained by applying a hybrid Taguchi-DEAR *** parameters show the best moulding properties are:mould hardness 55,gas evolution 5.9 ml·g-1,and collapsibility 470 g·***,a Lovejoy coupling made of aluminium is cast in the sand mould prepared with cow dung and without cow dung,with the optimum set of *** mechanical properties,surface finish,and microstructure of the casting cast with cow-dung are better than that without cowdung.

关键词： casting cow-dung optimization sand mould sustainability

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