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Engineering · Materials Science
Materials Testing Lab
Pull steel, glass and rubber until they break, heat-treat a blade, stack carbon-fibre layers and zoom from a hair to a single gold nanoparticle.
Engineering · Materials Science
Materials Testing Lab
Pull steel, glass and rubber until they break, heat-treat a blade, stack carbon-fibre layers and zoom from a hair to a single gold nanoparticle.
The course
7 worlds · 29 lessons
World 1 · Pick the Right Material
FREEProperties, trade-offs, property charts and fair tests
World 2 · Pull It Until It Breaks
PROStress–strain curves, stiffness, strength, toughness, cracks and fatigue- 01Stress and strainForce per area, stretch per length · 10 minPRO
- 02Hooke’s law and Young’s modulusThe stiffness slope · 11 minPRO
- 03Yield, necking and fractureWhat a metal does when you keep pulling · 12 minPRO
- 04Stiff, strong or tough?Three words that are not synonyms · 11 minPRO
- 05Cracks and fatigueHow strong things break anyway · 12 minPRO
World 3 · Heat Treating Steel
PROCarbon, quenching, tempering, annealing and brittle fracture
World 4 · Composites: Stronger Together
PROFibre and matrix, the rule of mixtures, layers and real uses
World 5 · Slime, Oobleck and Polymers
PROLong chains, crosslinks, fluids that change their mind, and gels
World 6 · Shape-Memory and Smart Materials
PRONitinol, superelasticity, piezoelectrics and more