A magnet is a material or object that produces a magnetic field. This magnetic
field is invisible ... Permanent magnets are made from "hard" ferromagnetic
materials such as alnico and .......
Sep 7, 2015 ... There are several categories of permanent magnets. Ordinary bar magnets are
made of Iron, usually relatively soft Iron. The metals in Alnico ...
Other permanent magnets can be made by subjecting certain materials to a ...
from the chemical symbols for the aluminum-nickel-cobalt elements used to make
Super Magnets, the strongest type of permanent magnets ... In spite of their name
, the elements used to make super magnets are actually quite common, but ...
A few metallic elements can make good permanent magnets. concentrics ... Used
in alloys, nickel can either strengthen or weaken the overall magnetism. Alnico ...
Feb 14, 2016 ... The material is today referred to as a permanent magnet ferrite, a hard ... Of all
the elements used in magnetic materials, rare earth elements are the .... on the
REO production, fraction of magnet REEs used to make magnets, ...
Oct 27, 2015 ... The most common metals used for permanent magnets are iron, nickel, cobalt
and some ... Alnico alloys make strong permanent magnets. ... Ferrite, a ceramic
compound composed of iron oxide and other metallic elements.
... copper, niobium, or tantalum, used to make strong permanent magnets. ... (
Elements & Compounds) trademark an alloy of aluminium, nickel, cobalt, iron,
Oct 1, 2006 ... Inside a metal like iron there are lots of tiny little magnets [called dipoles]; ... will
all be lined up and you'll have what you think of as a permanent magnet. ... Some
of the rare Earth elements are also used to make magnets.
Mar 23, 2012 ... A magnet will strongly attract ferromagnetic materials, weakly attract ...
Diamagnetic materials are mainly used in magnetic levitation. ... The elements
iron (Fe), nickel (Ni), cobalt (Co) and gadolinium (Gd) are such materials. ...
ceramic materials can become "permanent" magnets, such that they retain their...