The application of 90WMoNiFe alloy in the Tokamak device is mainly reflected in its role as a high-temperature plasma facing material. The Tokmak device is an experimental device used to study magnetic confinement nuclear fusion. Its core is to confine high-temperature plasma in a ring-shaped container through a strong magnetic field to achieve fusion reactions. In this process, the materials facing the plasma need to withstand extremely high temperatures and intense particle bombardment, so the materials are required to have excellent high temperature resistance, radiation resistance and corrosion resistance.
90WMoNiFe alloy has become an ideal plasma-facing material in Tokmak devices due to its excellent physical and chemical properties, especially its high melting point, high thermal conductivity, good corrosion resistance and radiation resistance. This alloy can effectively resist the thermal shock and particle bombardment of high-temperature plasma, maintain structural stability, and thereby extend the service life of the equipment.
Specifically, the application of 90WMoNiFe alloy in Tokmak devices may include the following aspects:
Plasma facing plate: This is the component that directly faces the high-temperature plasma and needs to withstand extremely high temperatures and strong particle flow. 90WMoNiFe alloy is an ideal material for facing panels due to its excellent high temperature resistance and radiation resistance.
divertor parts
Divertors are used in tokmak devices to remove impurities and heat from the plasma and prevent them from entering other critical components. 90WMoNiFe alloy’s high thermal conductivity and corrosion resistance make it an excellent candidate for divertor components.
Thermal shielding and structural support
In a tokmak installation, some thermal shielding and structural support components are also required to protect and support critical components. 90WMoNiFe alloy is suitable for the manufacture of these parts due to its high strength and good thermal stability.
It should be noted that although 90WMoNiFe alloy has broad application prospects in Tokmak devices, factors such as the material’s processing performance, cost, and compatibility with other materials also need to be considered in actual applications. Therefore, for specific application scenarios, the composition and process of the alloy may need to be optimized and adjusted.
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