Actually I am reading a paper and i came across Hysteresis curve. But I dont know how to understand the different graphs and How to conclude results from them.
Dear Mir Majaid,
Magnetic hysteresis designates the hysteresis phenomenon observed during the magnetization of a material. Thus, when an external magnetic field is applied to a ferromagnetic material such as iron, the atomic electric dipoles are aligned as a function of the latter. When the field is removed, part of the alignment remains within the material. The latter was magnetized.
The relationship between the field strength (H) and the magnetization (M) is not linear. Thus, if the material is demagnetized (H = M = 0), then the initial magnetization curve increases rapidly at the start, then becomes asymptotic when reaching the point of magnetic saturation. If, subsequently, the magnetic field is reduced monotonically, then M follows a different curve, hence the phenomenon of hysteresis. When the field becomes zero, the magnetization is shifted from the origin by a value equal to the afterglow.
Hysteresis cycles are not limited to ferromagnetic materials. Thus, other materials such as spin glasses have similar characteristics.
For more details and information about this question, I suggest you to see links on topic.
https://www.sciencedirect.com/topics/engineering/hysteresis-curve
https://www.electronics-tutorials.ws/electromagnetism/magnetic-hysteresis.html
https://eng.libretexts.org/Bookshelves/Materials_Science/Supplemental_Modules_(Materials_Science)/Magnetic_Properties/Magnetic_Hysteresis
https://www.sciencedirect.com/topics/engineering/hysteresis-behaviour
https://www.sciencedirect.com/topics/earth-and-planetary-sciences/hysteresis
Best regards
Dear Mir Majaid Manzoor
Hysteresis curve is a looping curve that is symmetric about some point.
It appears in many applications where modeling of such a periodic phenomenon
requires such a curve. For example, in physics, biology, chemistry, economic, etc.
In each case, the hysteresis curve preserves many properties, mainly the next state strongly depends on the previous state ( periodic and symmetric).
It takes different parametric representations according to the model under consideration.
Best regards
This paper was helpful for me Article Hysteretic behaviour of steel members: Analytical models and...
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