Permanent magnet storage.

In summary, the conversation discusses the effects of storing relatively strong magnets in a north to south arrangement with a slight gap between them. The arrangement is believed to preserve magnetization, but it would be better if the magnets touched instead of being 5cm apart. The preserving effect depends on the distance between the magnets and the time dependence relies on temperature and the characteristics of the magnetic material.
  • #1
personelsogno
1
0
I guess I do have to ask some questions on magnet storage. Especially over long periods of time. Basically, I want to know what the effects are if you store (relatively strong) magnets north to south with a slight gap in between (roughly 50mm between).


N===S N===S N===S

That's pretty much the best crude ascii drawing I can do. Anywho, if there is an effect, what would it be relative to time and to distance apart?
 
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  • #2
That arrangement would tend to preserve the magnetization.
It would be better if they touched. 5 cm seems like too much.
The preserving effect depends on d^2/A(area). If this is not<<1, the effect would tend to fall off as 1/d^2.
The time dependence depends on temperature and the particular characteristics of the magnetic material.
 
  • #3


I can provide some insight into the effects of storing permanent magnets in this manner. Firstly, it is important to note that the strength of a magnet can decrease over time, especially if it is exposed to external factors such as heat, vibration, or magnetic fields from other sources. Storing magnets in a north-south configuration with a slight gap in between may help to reduce the impact of external fields, but it is not a guarantee.

The distance between the magnets can also play a role in their long-term storage. The closer the magnets are to each other, the more they will interact and potentially weaken over time. However, if the gap is too large, the magnets may not have a strong enough influence on each other to maintain their magnetic properties.

In terms of the effects over time, it is difficult to provide a specific answer without knowing the strength and composition of the magnets in question. Generally, the longer the magnets are stored, the more their strength may decrease. This can also be affected by the conditions in which they are stored, such as temperature and humidity.

In summary, storing magnets in a north-south configuration with a slight gap in between may help to reduce the impact of external factors, but it is not a foolproof method. The distance between the magnets and the length of storage time can also affect their strength. It is important to carefully consider and monitor the storage conditions of permanent magnets to ensure their longevity and effectiveness.
 

1. What is permanent magnet storage?

Permanent magnet storage is a type of magnetic storage system that uses permanent magnets to store data. It is a non-volatile memory technology, meaning that data is retained even when the power is turned off.

2. How does permanent magnet storage work?

Permanent magnet storage works by using tiny magnetic domains on a surface to represent binary data. The direction of these domains can be changed using magnetic fields, allowing data to be written and read.

3. What are the advantages of permanent magnet storage?

Permanent magnet storage has several advantages, including fast data access times, low power consumption, high data density, and durability. It is also immune to electromagnetic interference, making it a reliable storage option.

4. Are there any limitations to permanent magnet storage?

One limitation of permanent magnet storage is its susceptibility to temperature changes, which can cause data loss or corruption. It also has a finite number of write cycles, meaning that it may wear out over time.

5. Where is permanent magnet storage used?

Permanent magnet storage is commonly used in consumer electronics, such as hard disk drives and solid-state drives, as well as in industrial and scientific applications. It is also being explored for use in future data storage technologies, such as spintronics.

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