张栋1964年毕业于北航材料系，现在是空军第一研究所研究员，中国航空学会失效分析分会副主任。30多年来献身于飞行事故检查和航空装备失效分析事业，为保障飞行安全而奋斗。1972年主持了xx型飞机空中解体事故的调查和失效分析，首次发现超高强钢机翼大梁从螺栓孔处疲劳导致机 Zhang Dong graduated from the Department of Materials Science in 1964 and is now a Fellow of the First Institute of the Air Force and a deputy director of the Failure Analysis Branch of the Chinese Society of Aeronautics. For more than 30 years dedicated to flight accident inspection and failure analysis of aviation equipment business, in order to protect flight safety and struggle. In 1972 presided over the investigation and failure analysis of the airborne accident of xx aircraft. It was the first time that the fatigue of the ultra-high strength steel wing beam from the bolt hole led to the machine