1. Chair of Non-Destructive Testing and Quality Assurance Saarland University 66125 Saarbrücken Germany
2. Department of Materials Science and Materials Testing University of Applied Sciences Kaiserslautern Kaiserslautern 67659 Germany
3. Chair of Materials Science Paderborn University Paderborn 33100 Germany
4. Baoshan Iron and Steel Co., Ltd. & The State Key Laboratory of Development and Application Technology of Automotive Steels (Baosteel) Shanghai 201900 China