Subscribe options

Select your newsletters:


Please enter your email address:

@

News & Media

Latest ITER Newsline

  • Video | How does the ITER cryoplant work?

    Cold is essential to ITER—10,000 tonnes of superconducting magnets, the thermal shield that surrounds the machine, the cryopumps that achieve the high vacuum in [...]

    Read more

  • Component logistics | Consistency "from the cradle to the grave"

    There's a fun and easy way to demonstrate the importance of having all ITER parts properly tagged and identified in storage—organize a workshop and ask four com [...]

    Read more

  • Image of the week | Brewing storm

    In Provence, one gets tired of blue skies... so when the opportunity arises to capture the ITER site plunged in the darkness of an approaching storm, we rush to [...]

    Read more

  • Toroidal field coils | First cold test in Europe

    The first ITER toroidal field coil winding pack has spent nearly 20 days in a specially conceived cryostat at minus 193 °C (80 K), in a cold testing operation t [...]

    Read more

  • Central solenoid | All conductor received

    Officials from the US and Japanese fusion energy programs were at General Atomics' Magnet Technologies Center in California in early May to celebrate the delive [...]

    Read more

Of Interest

See archived articles

Europe to test steel for future fusion reactors

European Domestic Agency

EUROFER97 is a candidate steel material for Europe's tritium breeding modules. Through a contract signed with Studsvik (Sweden), this material will be tested and characterized over the next five years in ITER-like conditions. (Click to view larger version...)
EUROFER97 is a candidate steel material for Europe's tritium breeding modules. Through a contract signed with Studsvik (Sweden), this material will be tested and characterized over the next five years in ITER-like conditions.
ITER will be the first fusion device to test tritium breeding—an essential technology for the fusion reactors of the future. While the fusion fuel deuterium can be distilled from all forms of water, tritium occurs only in trace quantities in nature.

Scientists know that tritium can be produced during the fusion reaction through contact with lithium: tritium is produced, or "bred," when neutrons escaping the plasma interact with lithium contained in the blanket wall of the tokamak.

Six tritium breeding concepts will be tested during the deuterium-tritium phase of ITER operation. Of these, the European Domestic Agency is responsible for two.

Europe is considering the use of EUROFER97 as the candidate steel material for its tritium breeding modules. Among its many advantages, this steel responds well to neutron activation and offers good resistance to neutron irradiation. It is compatible with liquid metal and ceramic breeders and its properties seem to respond well at high temperatures.

Through a contract signed with Studsvik (Sweden), a series of tests will be performed to learn more about the physical and mechanical properties of EUROFER97. Studsvik and NRG, its subcontractor, were awarded a contract in October by Europe for a detailed technical analysis. The tests are expected to last five years.

NRG will irradiate specimens in the High Flux Reactor in Petten (The Netherlands) under controlled conditions similar to those in ITER. After irradiation, the material samples will be transported to Studsvik for post-irradiation examination and characterization. The tests and examination will quantify the level at which neutron irradiation affects fatigue properties or fracture toughness, causes deformation, and/or influences the mechanical properties of this potential structural material for the blankets of future fusion reactors.

Read the original article on the European Domestic Agency website.




return to the latest published articles