June 14, 2015
June 14, 2015
June 17, 2015
26.265.1 - 26.265.10
Assessments of Material Selection Activities in Undergraduate Reverse Engineering ProjectsThis work involved the assessment of the material selection activities in reverse engineering projectsassociated with the sophomore engineering course “Introduction of the Mechanical Engineering Practice.”About 180 students in the class were broken down in groups of four and each group chose a specificproduct to be dissected and analyzed in detail. Two lecture classes were devoted to material selection inmechanical design where the Ashby charts were introduced. One of the areas the students looked at wasto determine the material and the manufacturing process used for each separate component with withintheir chosen product. The products ranged from electric drills, radio controlled cars, door knobs, nerfguns, etc. The students were expected to explain in detail why a particular material was chosen for asubcomponent of their chosen part and also why a particular manufacturing process was used with theproduction of that part. They were also required to suggest alternative materials and rank the variousmaterials that they would come up with and also the associated manufacturing processes. This wouldrequire them to investigate mechanical properties of component materials and relate them to the productperformance, the life cycle, manufacturing process and the environmental impact. They also looked thealternative methods and processes and investigate the effects of the materials and processes on theenvironment. This paper summarizes the overall experience of the students on material and processselection for a wide range of commercial products and ways to improve teaching of this course.
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