中间层厚度对三明治结构中 I 型断裂能量释放率的影响研究$^{\bf 1)}$

张凡凡^*^†,宋晶如^*^†,马寒松^*^†,刘小明^*^†²⁾(

),魏悦广^**

EFFECT OF INTERLAYER THICKNESS ON THE MODE I FRACTURE ENERGY RELEASE RATE OF SANDWICH STRUCTURE$^{\bf 1)}$

Zhang Fanfan^*^†,Song Jingru^*^†,Ma Hansong^*^†,Liu Xiaoming^*^†²⁾(

),Wei Yueguang^**

图13. 无量纲能量释放率随无量纲中间层厚度和无量纲裂纹初始长度的变化

Fig.13. Variation of dimensional energy release rate with dimensionless interlayer thickness and dimensionless crack initial length