spänningskurva

Spänningskurva, literally translated as "voltage curve" or "stress curve" in English, is a term used in several contexts, most commonly in physics and engineering. In electrical engineering, it refers to a graph that plots the voltage of an electrical signal over time. This visualization is crucial for understanding the behavior of alternating current (AC) circuits, displaying characteristics like amplitude, frequency, and phase. Different waveforms, such as sinusoidal, square, and triangular waves, have distinct spänningskurvor.

In mechanical engineering and material science, spänningskurva describes the relationship between stress and strain in a material subjected to mechanical load. This is often represented by a stress-strain curve, which is essential for determining a material's properties such as its elastic limit, yield strength, ultimate tensile strength, and ductility. The shape of the spänningskurva provides critical information for engineers when selecting materials for various applications, ensuring structural integrity and preventing failure. The term can also be encountered in economics, referring to a curve showing price fluctuations over time, though this usage is less common than in physical sciences.