Temperature-induced ageing of solar absorbers on plain and anodized aluminium substrates
作者： M. Kotilainen , K. Mizohata , M. Honkanen , L. Hyvärinen , P. Vuoristo
DOI: 10.1016/J.SOLMAT.2014.12.006
关键词: Composite material 、 Anodizing 、 Aluminium oxide 、 Fourier transform infrared spectroscopy 、 Coating 、 Aluminium 、 Substrate (electronics) 、 Elastic recoil detection 、 Layer (electronics) 、 Materials science 、 Optics
摘要: Abstract The temperature-induced ageing mechanisms and long-term stability of solar thermal absorbers having aluminium substrate with without anodized oxide layer were investigated. A thin Al was used to act as an IR reflector on layer. studied industrial, sputtered chromium-based absorber coatings. aged by means prolonged extended accelerated studies at 248–308 °C. degradation the analysed optical measurements (solar absorptance a UV/Vis/NIR spectrophotometer emittance FTIR spectrophotometry), microstructural analysis using transmission electron microscope (TEM) equipped energy dispersive X-ray spectrometer (EDS), composition time-of-flight elastic recoil detection (TOF-ERDA), crystal structure grazing incidence diffraction (XRD) before after studies. relation between modelling simulation CODE Coating Designer. results clearly demonstrated effect material intermediate temperatures.
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