The design and application of modern permanent magnets

The development of the modern anisotropic permanent magnet alloy has greatly facilitated the application of permanent magnets to electrical apparatus which previously would operate efficiently only with energised magnets. Modern permanent magnets frequently permit the design of smaller, lighter and cooler apparatus, with reduced power consumption. Accordingly a relatively neglected branch of science has now acquired considerable importance from the engineering as well as the economic aspect. The paper surveys the engineering application of permanent magnets with particular reference to the use of ¿Ticonal G¿ alloy.