Electra has raised $76.3 million to clean up the dirty ironmaking industry, TechCrunch has learned. The startup has developed a novel method of using electricity to coax pure iron out of low-grade ...

The interstitial alloy between carbon and iron has a complex phase diagram. A compound, Fe 3 C with the fixed composition Fe-6.7 wt % C bounds one end of this diagram and pure iron the other end. Pure ...

Every year, steel production pumps almost 3 billion tons of carbon dioxide (CO2) into our atmosphere—almost three times the amount produced annually by commercial air travel. And as demand keeps ...

Metals are the only substances that are magnetic. But some metals are magnetic and some are not. The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see ...

Many pure metals are too soft for many uses. They can be made harder by adding another element to the pure metal, so forming an alloy. This explains why an alloy often has more uses than the pure ...