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  • Developing new materials for the fusion reactor

    In the future fusion reactor, plasma is confined by using the magnetic field inside the doughnut-shaped vacuum vessel. The blanket is in a location where it almost touches the plasma, and as if to enfold the plasma the blanket is placed on the inner surface of the vacuum chamber. The blanket, by abs more

  • Reinforcement of structures with Memory Steel

    So far, the steel reinforcements in concrete structures are mostly prestressed hydraulically. This requires ducts for guiding the tension cables, anchors for force transfer and oil-filled hydraulic jacks. The space requirements of all these apparatuses created the geometric framework conditions for more

  • Materials Testing: Detecting damages in non-magnetic steel through magnetism

    Wear, corrosion, material fatigue - these signs of degradation are common to most materials. This makes it all the more important to detect damage early, preferably on the micro scale. Magnetic test methods are often used for this purpose, which was previously impossible with non-magnetic steel. Res more

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How seawater strengthens Roman concrete

The ancient Romans had a recipe for concrete that won't corrode in seawater. Scientists are trying to figure it out. more

Infographics Steel

The Metals in UK Coins

In the wake of the recent announcement of a new £1 coin to be introduced in 2017, today’s post looks at some of the metals present in the coins of the United Kingdom. All of these coins are produced using alloys, or mixtures of metals; the main metals used include copper, nickel, zinc and iron. The more

The Elemental Compositions of Metal Alloys

Today’s post looks at an aspect of chemistry we come across every day: alloys. Alloys make up parts of buildings, transport, coins, and plenty of other objects in our daily lives. But what are the different alloys we use made up of, and why do we use them instead of elemental metals more

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Definition

Steel

Steel winding tower. Steel is an alloy consisting mostly of iron , with a carbon content between 0.2 and 1.7 or 2.04% by weight (C:1000–10,8.67Fe), depending on grade. Carbon is the most cost-effective alloying material for iron, but various ... more

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