Nitriding processes, such as gas nitriding by exposing heated steel to ammonia ... and look forward to powerful magnets made with nothing but rust and fertilizer.

The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see lots of different things made of steel, which has iron in it. Try the activity to see which ...

He really only needed one magnet, so he started to build a 20 x 20 x 100 mm one. It would be made out of alternating mild steel and brass plates. The steel plates would have a hole drilled through ...

The world's strongest permanent magnets made of neodymium measure around 1. ... the iron is best sourced from iron salts that are a byproduct of steel manufacturing, with nitrogen sourced from ...

Iron, steel, nickel and cobalt are magnetic close magneticAble to be magnetised or attracted to a magnet. materials and would feel the force from a nearby magnet. All other materials that do not ...

A permanent magnet is always magnetic. It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and ...