HBN (2 of 2) (image) Rice University Caption Rice University researchers claim ultra-thin sheets of hexagonal boron nitride (h-BN) can keep metals from rusting in high temperatures. At top, stainless steel oxidizes after half an hour in a furnace. At bottom, a sheet of h-BN protects steel subjected to the same temperatures. Credit Zheng Liu/Rice University Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.