Course

 

Mechanical Properties of Nanomaterials and Composites

 

Lecture 1: Mechanical Behavior of Nanoparticles and Nanotubes (Part 1)
-Mechanical properties of materials
-Nanoparticles and Nanotubes
   Structure of nanoparticles and nanotubes
   Mechanical properties of nanoparticles
   Mechanical properties of carbon nanotubes
-Size Effects: Hall-Petch Equation
-Nanoparticle- and Nanotube-Reinforced Composites
   Structure of nanocomposites
   Mechanical properties of nanocomposites

 

Lecture 2: Mechanical Behavior of Nanoparticles and Nanotubes (Part 2)

 

Lecture 3: Size Effects
- High yield strength (sy) and hardness
- Transition from a  positive slope to a negative one in Hall-Petch relation (size-dependent)
- High ductility for both nano-metals and ceramics
- Strain rate sensitivity at room temperature

 

Lecture 4: Nanoparticle and Nanotube Reinforced Composites
- CNTs are interesting new materials
- MWNTs have higher elastic modulus (E) than SWNTs
- E depends on diameter (d   è E  )
- MWNT:     E ~1 TPa, sy = 63 GPa
- CNTs buckle under compressive stress