AINiCo magnets are primarily composed of aluminum, nickel, and cobalt (Al, Ni, and Co). They may also include titanium, iron, and copper, and could be isotropic and non-directional or anisotropic and mono-directional. Before rare-earth magnets became a thing, AlNiCo magnets were the strongest known magnets. These magnets were developed in the 1940s, and they still