1. Quality Management BureauDefense Agency for Technology and QualityChangwon SiGyeongsangnam‐do51474Republic of Korea
2. School of Aerospace and Mechanical EngineeringKorea Aerospace UniversityGoyangGyeonggi‐do412‐791Republic of Korea
3. Department of Materials Science and EngineeringSeoul National University of Science and TechnologySeoul139‐743Republic of Korea
4. Technology Planning BureauDefense Agency for Technology and QualityJinju SiGyeongsangnam‐do52851Republic of Korea