仿生螺旋胶合板结构材料在裂纹尖端的切片（截面方向）。 (VIDEO) Science China Press This video is under embargo. Please login to access this video. Caption 裂纹尖端的大量切片展示了复杂扭曲态的主裂纹以及位于裂尖前端的诸多微小裂纹。这些裂纹相关的特征被认为是结构材料中重要的增韧机理。 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Licensed content 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.
