Magnet keeper
id:
magnet-keeper-272-14337468
title:
Magnet keeper
text:
A magnet keeper, also known historically as an armature, is a bar made from magnetically soft iron or steel, which is placed across the poles of a permanent magnet to help preserve the strength of the magnet by completing the magnetic circuit; it is important for magnets that have low magnetic coercivity, such as alnico magnets (0.07T). Keepers also have a useful safety function, as they stop external metal being attracted to the magnet. Many magnets do not need a keeper, such as supermagnets, a
brand slug:
wiki
category slug:
encyclopedia
description:
Bar made from iron or steel, which is placed across the poles of a permanent magnet
original url:
https://en.wikipedia.org/wiki/Magnet_keeper
date created:
date modified:
2024-04-06T19:26:37Z
main entity:
{"identifier":"Q6731445","url":"https://www.wikidata.org/entity/Q6731445"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/0/08/MagnetEZ.jpg","width":470,"height":480}
fields total:
13
integrity:
15