1) What types of products are made using aspider-mandrel die? Why can lubricantsnot be used in spider-mandrel extrusion?2) Make a survey of various sportsequipment and identify the componentsmade of composite materials. Explain thereason for and the advantages of usingcomposites in these specific applications.

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1) What types of products are made using a spider-mandrel die? Why can lubricants not be used in spider-mandrel extrusion?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

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1) What types of products are made using a
spider-mandrel die? Why can lubricants
not be used in spider-mandrel extrusion?
2) Make a survey of various sports
equipment and identify the components
made of composite materials. Explain the
reason for and the advantages of using
composites in these specific applications.

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