Nanoscience: Mechanical Properties. Olivier Nguon CHEM *7530/750 Feb 21st 2006. Outline. I. Classic Mechanical Properties II. Nanostructured Materials III. Conclusions and Applications. Tensile test. Determination of mechanical properties Stress: σ = F/S Strain: ε = Δ l / l 0.
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Feb 21st 2006
Stress, σ (Mpa)
Max stress : tensile strength
Max elasticity: Yield strength
Strain, ε (%)
Plastic deformationTensile Test curve
Typical Tensile Test curve or Strain Stress curve
Al Mg cryomilled (20 nm)
Al Mg ultra fine grain (80 nm)
Al Mg coarse (2 mm)
B. Han, Red.Adv.Mater.Sci; 9 (2005) 1-16