Materials Engineering
Metals, polymers, ceramics, composites — the stuff everything else is made from.
Lessons
All lessonsPhase Transformations: The Kinetics of Solid-State Change
Understanding how atomic mobility and cooling rates dictate the microstructure and final properties of alloys.
The Fundamentals of Crystal Structures
Explore how the arrangement of atoms dictates the strength and form of solid materials.
Ceramics: Beyond Kitchenware
An introduction to the high-heat, high-strength world of ceramic materials.
Corrosion: The Invisible Enemy
Learn the chemical processes that degrade materials and how engineers fight back.
Composite Materials: Strength in Synergy
Discover how combining two materials creates properties neither could achieve alone.
Challenges
Hygroscopic Actuator Optimization
Design a passive, multi-stage hygroscopic actuator capable of generating a predictable linear displacement of at least 5mm when transitioning between 30% and 80% relative humidity. You must characterize the material fatigue limit across 50 cycles and provide a mathematical model representing the force-displacement curve of your composite structure. Success is measured by the repeatability of the stroke length and the minimization of hysteresis during the dehumidification phase.
Thermal Barrier Bridge Challenge
Construct a bridge span that measures at least 20cm in length using only your available materials. The bridge must support a weighted object at its center while minimizing heat transfer from a heated pad placed on one end to a sensitive item on the other. You must balance structural load-bearing capacity with effective thermal insulation properties.