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The Korea Institute of Machinery & Materials (KIMM – which reports to the Ministry of Science and ICT,) has developed a 120kV/60kW electron-beam welding system, which can weld materials with thickness of more than 100mm. KIMM says that, together with innovative technologies for manufacturing SMRs, the new technology is expected to shorten welding time and secure economic feasibility.

Date: Wednesday, 27 March 2024
Original article: neimagazine.com/news/newskorean-institute-develops-high-power-electron-beam-welding-system-11633115

A Chinese tokamak device has set a new world record for a steady-state high-constraint mode plasma operation and German researchers have discovered a way to build smaller and cheaper fusion reactors. Meanwhile a US Government Accountability Office report on achieving commercial fusion cautions that several challenges must still be overcome.

Date: Friday, 14 April 2023
Original article: world-nuclear-news.org/Articles/Chinese-and-German-milestones-in-fusion-research

After successful recommissioning in autumn 2022, the Wendelstein 7-X stellarator fusion device at Germany's Max Planck Institute for Plasma Physics (IPP) has achieved some significant breakthroughs. In 2023, an energy turnover of 1 gigajoule was targeted, but researchers have now achieved 1.3 gigajoules. Moreover, a new record for discharge time was achieved, with the hot plasma maintained for eight minutes.

Date: Wednesday, 01 March 2023
Original article: neimagazine.com/news/newssuccessful-fusion-experiments-at-germanys-wendelstein-7-x-10636975

Scientists at the DIII-D National Fusion Facility in the USA have released a new design for a compact fusion reactor that can generate electricity and help define the technology necessary for commercial fusion power, General Atomics (GA) said on 29 March. The approach is based on the “Advanced Tokamak” concept pioneered by the DIII-D program, which enables a higher-performance, self-sustaining configuration that holds energy more efficiently than in typical pulsed configurations, allowing it to be built at a reduced scale and cost.

Date: Friday, 02 April 2021
Original article: neimagazine.com/news/newsgeneral-atomics-develops-compact-tokamak-concept-for-fusion-8644655

The Wendelstein 7-X stellarator-type fusion device at the Max Planck Institute for Plasma Physics. PHoto courtesy IPP. The next stage has begun of work to upgrade of the world’s largest stellarator-type fusion device at the Max Planck Institute for Plasma Physics (IPP) in Greifswald, Germany.

IPP said installation of new water-cooled inner cladding of the plasma vessel will make the Wendelstein 7-X facility suitable for higher heating power and longer plasma pulses.

The new cladding’s centrepiece, the so-called divertor, was manufactured by the institute’s Garching branch. It was delivered to Greifswald on 17 March and installation work will last until well into next year.

Fusion systems of the stellarator type promise high-performance plasmas in continuous operation. Accordingly, heat and particles from the hot plasma permanently stress the vessel walls. It is the task of the divertor – a system of specially equipped baffle plates to which the particles from the edge of the plasma are magnetically directed – to regulate the interaction between plasma and wall.

Date: Thursday, 19 March 2020
Original article: nucnet.org/news/upgrade-work-enters-new-phase-for-germany-s-wendelstein-7-x-3-3-2020


First plasma has been produced at the Wendelstein 7-X, the world's largest stellarator-type fusion device, at Germany's Max Planck Institute for Plasma Physics (IPP) in Greifswald. IPP, the first plasma had a duration of one tenth of a second and achieved a temperature of around one million degrees.

Date: Monday, 14 December 2015
Original article: neimagazine.com/news/newsgerman-fusion-device-achieves-first-plasma-4752789

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