Restraint improves dielectric performance, lifespan

Just as a corset improves the appearance of its wearer by keeping everything tightly together, rigidly constraining insulating materials in electrical components can increase their energy density and decrease their rates of failure. Engineers have demonstrated that rigidly constraining dielectric materials can greatly improve their performance and potentially lengthen their lifespans. This insight follows their discovery earlier this year of the exact mechanism that causes soft dielectric materials to break down in the presence of electricity.

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