Manufacturing Crack-resistant Lightweight Components (image) Fraunhofer-Gesellschaft Caption In this test, the material sample is heated to welding temperature to determine its critical conditions for the formation of cold cracking. Credit © Chair of Joining and Welding Technology at the Brandenburg University of Technology Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. 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.