The application of 90WMoNiFe alloy in FAST (fully superconducting tokamak nuclear fusion experimental device) is mainly reflected in its material as a key component. Specifically, the alloy has the following applications in FAST devices:
Plasma facing parts
In the FAST device, high-temperature plasma is in direct contact with certain components, which need to withstand extremely high temperatures and strong particle flow impacts. 90WMoNiFe alloy is used to manufacture these components that directly face the plasma, such as the first wall and divertor, due to its excellent high temperature resistance and radiation resistance. These components play a vital role in the FAST device, protecting other components from high-temperature plasma erosion and ensuring the stable operation of the device.
Thermal structural components
The FAST device generates a large amount of heat during operation, and requires heat conduction and dissipation through thermal structural components. 90WMoNiFe alloy has become an ideal material for manufacturing these thermal structural components due to its good thermal conductivity and thermal stability. These components effectively conduct heat away from critical areas, preventing equipment from overheating and ensuring proper operation.
Neutron shielding and radiation protection materials
Nuclear fusion reactions produce neutrons and other radiation, posing potential threats to equipment and personnel. 90WMoNiFe alloy is used to manufacture neutron shielding and radiation protection structures due to its high density and good radiation protection properties. These structures can effectively reduce the damage caused by neutrons and other radiation to equipment and personnel, ensuring the safe conduct of experiments.
With the continuous advancement of science and technology and the continuous upgrading of FAST devices, the application of 90WMoNiFe alloys in FAST devices may continue to be expanded and optimized. At the same time, factors such as material performance, cost, and processing difficulty also need to be comprehensively considered to ensure the best application results in the FAST device.
To sum up, 90WMoNiFe alloy is used as a key component material in the FAST device. It plays a variety of important roles such as high temperature resistance, radiation resistance, thermal conductivity, neutron shielding and radiation protection, etc., and provides various important functions for the successful operation of nuclear fusion experiments. A strong guarantee.
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