Start free

Unit 4 of 17

Materials & Surfaces

What implants are made of and why: three metals, stiffness and bone, corrosion, wear, colour, printed lattices and materials that dissolve. Then find out why a titanium plate came out stained black.

Get the full course Try Units 1–2 free

8 hands-on lessons, then a case · about 30–45 minutes

A titanium plate, metal and ceramic hip balls and a printed lattice

What you’ll learn

  1. 01Four families
  2. 02Three metals
  3. 03Too stiff for bone
  4. 04Why implants don’t rust
  5. 05Surfaces that slide
  6. 06Colour and finish
  7. 07Printed and invisible
  8. 08Materials that disappear