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TISCO material applied in the artificial sun

By CHEN Xin and ZHANG Baolin UpDate 2022-02-25

Recently, coils No.4 and No.5 at the bottom of the calibration field of ITER, which is made of stainless steel produced by TISCO and developed by Institute of Plasma Physics of Chinese Academy of Sciences, were successfully hoisted into the predetermined position in the main engine, marking the successful completion of the milestone of the first stage of ITER main engine installation.

ITER, or "International Thermonuclear Fusion Experimental Reactor", which aims to realize controllable nuclear fusion reaction and provide sustainable clean energy for human being, are commonly known as the "artificial sun". ITER project is a big-scale multilateral cooperation project in science field next to the International Space Station. It is jointly funded by China, Japan, South Korea, India, Russia, the United States and the European Union. There are more than a hundred of procurement packages in ITER plan, with the materials being made by many countries. As early as 2007, TISCO began to get involved in ITER program, and participated in the research and development and manufacturing of various special material. The calibration field coil is one of the important magnet systems of ITER device, and it is also the only procurement package completely made in China so far. Its stainless steel extrusions and steel plates are all provided by TISCO.

Since participating in this project, TISCO employees have carried forward the innovative spirit, successfully replaced the weldments with special-shaped extrusions with better appearance and internal organization quality, which not only shortened the manufacturing cycle, but also was superior to the design requirements in various indexes. Such successful experience was highly praised and recommended by experts from all over the world. Taking the opportunity of participating in ITER program, TISCO cultivated a group of outstanding talents, improved China's nuclear fusion research and development capability with excellent materials, and laid a solid material foundation for China's independent design and construction of fusion demonstrative reactors and even commercial reactors.