Purdue University Design Metal Treatment (IMAGE) Purdue University Caption A team from Purdue University discovered that the application of surface-active chemical agents enables metal cutting to be significantly improved with reduced forces and better surface quality. Credit Srinivasan Chandrasekar/Purdue University Usage Restrictions None License Licensed content 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.