The Pareto-Optimal Front, where composites cannot become any stiffer without losing toughness, delimits the upper boundary of microstructured composites' stiffness and toughness.

Courtesy of Beichen Li et al., Computational discovery of microstructured composites with optimal stiffness-toughness trade-offs.

The Pareto-Optimal Front, where composites cannot become any stiffer without losing toughness, delimits the upper boundary of microstructured composites' stiffness and toughness. Courtesy of Beichen Li et al., Computational discovery of microstructured composites with optimal stiffness-toughness trade-offs.