Detecting performance degradation involves various techniques: - Microscopy: Advanced techniques like Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) can reveal structural changes. - Spectroscopy: Methods such as Raman Spectroscopy and X-ray Diffraction (XRD) help in identifying chemical and structural degradation. - Electrical Testing: For electronic devices, various forms of electrical testing can monitor changes in performance parameters.
