Atomic Force Microscopy Studies of Fracture Surfaces From Oxide / Polymer Interfaces
2000
Atomic Force Microscopy (AFM) is used to characterize fracture surfaces in silicon oxide / silane adhesion promoter / BCB polymer systems. Fatigue striations were found on some samples, and these were correlated with the crack growth rate per fatigue cycle. X-ray Photoelectron Spectroscopy (XPS) was used to identify the species present on each surface, and it was found that striations only form when the fracture path is through the polymer.
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