As we all know, Aluminum is the most common material used in our daily life. For it is cost effective and has the good performance. The notable properties of aluminum materials include good shape, easy forging, good corrosion resistance, low density, high strength-to-weight ratio and high fracture toughness. Although possessed with so many physical properties, Aluminum is not magnetic.
We can try to put a magnet on the surface of a can to see if it can be attracted. W e will find that no matter how we adjust the position of the magnet, it cannot be tightly attached to the can. This is because most cans are made of Aluminum, and Aluminum is not a metal that can be attracted by magnets.
Although it is not magnetic, Aluminum is still can be used in many different industries, from electronic equipment to medical equipment and to aerospace.
In electronic equipment, Aluminum is often used in shielding material to prevent electromagnetic interference (EMI) and radio frequency interference (RFI). For example, Aluminum can be used in casings, which can effectively prevent external electromagnetic signals from interfering with internal circuits, and also reduce electromagnetic radiation generated by the device itself.
In some medical process like MRI scanning, it requires a completely non-magnetic surrounding to ensure the quality of the image. Therefore, aluminum medical equipment components (such as wheelchairs, hospital beds, etc.) are used in these environments.
In the aerospace, Aluminum is favored for its light weight, high strength and non-magnetic properties. Non-magnetic means it will not interfere with electronic equipment and navigation systems.
In power transmission and distribution systems, Aluminum wire is widely used to replace copper wire to reduce costs. Although Aluminum is slightly less conductive than copper, its non-magnetic properties help reduce electromagnetic losses and electromagnetic interference.
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