In the US, those are primarily makers of catalytic converters, along with the metal-alloying and ceramic-making sectors.

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By alloying neodymium with dysprosium, magnets are created that more readily maintain their magnetism at the high temperatures of hybrid car engines.

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Much of the art of alloying is to add the right mixtures of metals to reduce these problems while increasing your ability to make other changes to the shape.

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Mittal has long banged the drum for further allying and alloying between steelmakers to allow companies the flexibility to get to grips with the cyclical nature of the market.

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