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 ...
nickel Iron, nickel, cobalt, rare earth elements, their alloys.The strongest ... Why
should the material used for making permanent magnets have high coercivity?
Nov 17, 2010 ... Super Magnets, the strongest type of permanent magnets ... In spite of their name
, the elements used to make super magnets are actually quite ...
A few metallic elements can make good permanent magnets. concentrics ... Used
in alloys, nickel can either strengthen or weaken the overall magnetism. Alnico ...
... copper, niobium, or tantalum, used to make strong permanent magnets. ... (
Elements & Compounds) trademark an alloy of aluminium, nickel, cobalt, iron,
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.
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.
The Element Cobalt - Basic Physical and Historical Information. ... alloy
consisting of aluminum, nickel and cobalt is used to make powerful permanent
The transition elements are the elements that make up Groups 3 through 12 of
the .... can be used in the manufacture of very powerful permanent magnets.