Theoretical study of adhesion energy measurement for film/substrate interface using pressurized blister test: Energy release rate
2013
Sun, Jun-yi | Qian, Shao-hua | Li, Yingmin | He, Xiao-ting | Zheng, Zhou-lian
In this paper, a new loading method able to subtly control the crack driving force for pressurized blister test was proposed. A theoretical study of the adhesion energy measurement for film/substrate interface using this loading method was presented. Problems considered include solving the exact volume under a circular blister and the elastic strain energy stored in a thin blistering film, determining the work done by the poured colored liquid as external force to the system and the elastic strain energy stored in the compressed air. A new formula of energy release rate was finally presented. A comparison between the work presented here and the existing work was made.
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