Is a relationship between permeability and temperature?(to Iron)

Anyone can help me that whether a relationship between permeability and temperature for Iron? Or any document or research can be found?
Thanks.
Patrick 25-05-05
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The permeability of iron varies with temperature.
Not only does it change with temperature but iron has a non-linear permeability. It varies depending on magnetic field and previous magnetic state.
Which permeability are you interested in? Maximum permeability, initial permeability, permeability at saturation, etc.?
_Ferromagnetism_ by Bozorth has a chart showing the maximum & initial permeabilities vs. temperature.
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