Fault Lines Make Magnesium Alloys Stronger (image) North Carolina State University Share Print E-Mail Caption Nano-spaced stacking faults are parallel fault-lines in the structure of the magnesium alloy that increase the strength of the material by 200 percent. Credit Yuntian Zhu, North Carolina State University Usage Restrictions Image credit must be given. Share Print E-Mail 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.