How studs damage pavement (IMAGE) KTH, Royal Institute of Technology Caption FE-SEM images and EDXS analysis of the (a), (b) Co-containing (12Co88W) standard stud and (c), (d) Co-free (85Ni15Fe) alternative stud. Credit Ulf Olofsson Usage Restrictions No restrictions. License CC0 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.