info:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FEME-SIS%2F30446%2F2017/PTProjeto de investigação científica FCT - ATRITO-0: Synergy of surface texturing and self lubricating coatings for greener and more energy efficient sliding contacts [PTDC/EME-SIS/30446/2017]