- A study has been made of the fracture surfaces of unidirectional hybrid glass/carbon/epoxy laminates after environmental stress corrosion (ESC) by dilute sulphuric acid. Labelled isotope studies showed that the acid does not diffuse through the uncracked epoxy resin matrix, and must therefore travel through microcracks.
- Congress introduces comprehensive legislation to advance study and development of composites in infrastructure : https://acmanet.org/2018/08/congress-introduces-comprehensive-legislation-to-advance-study-and-deployment-of-composites-in-infrastructure/