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According to the International Water Management Institute (IWMI), about 70 per cent of Earth’s fresh water diverted for human needs is currently being use ....
In this article, Lambient Technologies discusses the major differences between AC and DC cure monitoring. They also help determine which measurements are better for different situations with respect to cure monitoring. ....
Sponsored by Lambient TechnologiesMay 28 2021 Both AC and DC techniques can be utilized to analyze thermoset and composite cure. AC dielectric cure monitoring, also known as Dielectric Analysis (DEA) agitates a sensor with a sinusoidal signal of a particular frequency and amplitude, applying a DC bias of zero volts. The measured frequency independent resistance, or ion viscosity, corresponds to the cure state of the Material Under Test (MUT). Similarly, DC resistance cure monitoring probes a material but alternatively uses a excitation voltage V DC that remains constant. AC and DC signals. Image Credit: Lambient Technologies AC and DC cure monitoring are complimentary, yet electrochemical reactions can influence DC results. Comparatively, AC measurements have no DC bias and zero average current, and do not endure electrochemical effects. While DC techniques can quantify cure state, they must be carefully utilized with a good understanding of their poten ....