艾延龄：中南大学材料科学与工程学院，博士(后)，副教授，研究生导师。湖南省精密仪器测试协会（电镜协会）委员会委员。主要研究方向为晶体的显微组织及晶体学；轻合金（镁合金）的研究；低维材料和纳米材料；材料的微纳结构，金属复合材料。

Ai Ye ling: School of Materials Science and Engineering, Central South University, Ph. D. (Post-doctoral), Associate Professor, Graduate Tutor. Member of Committee of Hunan Precision Instrument Testing Association (Electron Microscope Association). The main research fields are crystal microstructures and crystallography; light alloys (magnesium alloys); low-dimensional materials and nanomaterials; Micro-Nanostructures of materials, metal composites.