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How Does Temperature Affect Alnico Magnets?

Alnico Magnet is an alloy composed of aluminum, nickel, cobalt, iron, and other trace metal elements. Thanks to their excellent properties, AlNiCo Magnets are widely used in various instruments and other high-temperature applications. However, as the temperature increases, the magnetic properties of Alnico Magnets will suffer different degrees of loss. So how does temperature affect Alnico Magnets? In this article, we will try to find the answer to this question.

How Does Temperature Affect Alnico Magnets? How Does Temperature Affect Alnico Magnets?

Alnico Magnets are very popular due to their excellent stability when operating at high temperatures and are widely used in many applications. Compared with other types of magnets such as ferrite magnets (ceramic magnets) or rare-earth magnets, their output changes the least when operating at high temperatures.

However, generally, an increase in temperature will cause some loss of its magnetic properties, but this depends largely on the shape and size of the AlNiCo Magnets. Their temperature resistance makes them a popular choice for aerospace, automotive and military applications.

Although Alnico Magnets show resistance to temperature, they are susceptible to demagnetization forces such as external magnetic fields.

Any commercially available Alnico Magnet grade can work at temperatures ranging from 400 to 450 degrees Celsius, and some higher grade magnets can even work at temperatures as high as 550 degrees Celsius. This means that they are the only suitable choice for applications where the operating temperature is around 350 degrees Celsius.

Do you know? Even if heated to the point of glowing red-hot, Alnico Magnets continue to be effective! In fact, some grades of Alnico Magnets become hotter by small amounts from ambient temperature, their resistance to demagnetization even increases.

Besides, Alnico Magnets generally also have excellent performance at low temperatures as low as approximately minus 70 degrees Celsius to 100 degrees Celsius.

How Does Temperature Affect Alnico Magnets? How Does Temperature Affect Alnico Magnets?[/caption]


Thank you for reading our article and we hope it can help you to have a better understanding of the influence of temperature on Alnico Magnets. If you want to know more about Alnico Magnets and other types of permanent magnets, we would like to advise you to visit Stanford Magnets for more information.

As a leading magnet supplier across the world, Stanford Magnets has been involved in R&D, manufacturing, and sales of magnets since the 1990s. It provides customers with high-quality permanent magnets like SmCo magnets, neodymium magnetsAlNiCo magnets, and ferrite magnets (ceramic magnets) at a very competitive price.

About the author

Cathy Marchio

Cathy Marchio is an expert at Stanford Magnets, where she shares her deep knowledge of magnets like Neodymium and Samarium Cobalt. With a background in materials science, Cathy writes articles and guides that make complex topics easier to understand. She helps people learn about magnets and their uses in different industries, making her a key part of the company's success.

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