The program's capstone: a new material-selection design brief for a coastal-use bicycle pedal spindle, a structured failure-mode consideration, a grading rubric, and your certificate of completion.
This closing module is not a new topic — it is where everything from Modules 1 through 20 gets applied to one more material-selection problem this program has not already solved for you: choosing a material for a bicycle pedal spindle that must survive both cyclic fatigue and coastal salt-spray corrosion at once, a combination none of the five real-project case studies addressed together on the same part. A worked modified-Goodman fatigue check, a corrosion-fatigue and galvanic-compatibility narrative, and an explicit failure-mode breakdown anchor the assignment in the same shown-work discipline this program has used throughout.
Completing this module's quiz below marks the whole program complete and unlocks your certificate of completion from the program hub — a self-issued personal completion record and portfolio artifact, not a PE license or an ASM International certification.