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Mechanical engineers must choose the best elastomer from five samples based on energy loss measurements. Includes design objectives, methods, results, and conclusion. Applications range from soccer shin guards to car engine mounts.
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Bouncing Ball uDu WARNING! Don’t be a reptile! Butyl Polyneoprene Polynorbornene Butadiene Styrene-butadiene
Bouncing Ball uDu INTRODUCTION: You are mechanical engineers and must select the best elastomer for a particular application from the samples shown below. You will make your decision by measuring the percent of energy LOST on impact for all five samples. Butyl Polyneoprene Polynorbornene Butadiene Styrene-butadiene
Bouncing Ball uDu APPLICATIONS: Soccer shin guard liner Paddleball toy Floor mat for standing work Rubber bullet Car engine mounts Butyl Polyneoprene Polynorbornene Butadiene Styrene-butadiene
Bouncing Ball uDu DELIVERABLES: Write on back of one handout • • • • • • Names of design team Name of application Design objectives: How much energy loss you want and why Methods: How you measured energy loss Results: Data table including all 5 samples Conclusion