This work has demonstrated that microvoids a micrometre or so in diameter, with a volume fraction of ~ 17%, would appear to give a significant increase in the toughness of a thermosetting epoxy polymer
Посилання на статтю:
The toughness of epoxy polymers containing microvoids / Y. Huang* and A. J. Kinloch // Polymer. – 1992. – Vol 33. – P. 1330-1332.