Compression stress and compression strain. (a) Schematic of the compression simulation of nanoscale PE particles. Beads are colored according to the molecular number. (b) Compressive stress–strain behaviors of PE nanoparticles with different molecular structures. Bold lines are the average of particle response.
Wu et al. Nanoscale Research Letters 2013 8:322 doi:10.1186/1556-276X-8-322