Artificial sun generally refers to the International Thermonuclear Fusion Experimental Reactor Project, also known as the Oriental Super Ring. It is a fully superconducting tokamak nuclear fusion experimental device. Its core purpose is to simulate the nuclear fusion reaction inside the sun on the earth.
Nuclear fusion reaction is the source of energy for the sun to continuously shine and heat. The artificial sun makes full use of this scientific principle to build a nuclear fusion device on the earth to produce nuclear fusion reactions like the sun, thereby continuously producing energy. With its advantages of safety, cleanliness, efficiency and sustainability, this device has become an important technical solution to meet the country’s major strategic needs in the future and achieve the dual-carbon goal.
To achieve nuclear fusion, temperatures usually require temperatures reaching hundreds of millions of degrees. The raw material used in artificial sun is seawater, which does not cause any pollution to the environment, so it is also called clean energy.
The application of 90WMoNiFe alloy in artificial solar devices is mainly reflected in the following aspects:
First wall material facing the plasma
In artificial solar devices, high-temperature plasma is the key to achieving nuclear fusion reactions. The first wall material needs to directly face these high-temperature plasmas and withstand the extremely high temperatures and strong particle flow impacts it brings. 90WMoNiFe alloy is an ideal choice for the first wall material due to its excellent resistance to high temperatures, radiation resistance and good thermal stability. This alloy can effectively resist the high-temperature erosion of plasma and the impact of particle flow, maintain the integrity and stability of the structure, and ensure the long-term stable operation of the device.
divertor material
The divertor is a key component in an artificial solar device, used to remove impurities and heat generated during the reaction. The high melting point, good thermal conductivity and corrosion resistance of 90WMoNiFe alloy make it suitable as a divertor manufacturing material. This alloy can quickly conduct heat away to prevent overheating damage to the divertor, while resisting corrosion and extending the service life of the divertor.
Heat Shielding Structural Materials
In artificial solar installations, thermal shielding structures are used to protect critical equipment from the thermal radiation of high-temperature plasma. 90WMoNiFe alloy can be used to manufacture heat shielding structures due to its excellent high temperature resistance and thermal stability. It can effectively block the thermal radiation of high-temperature plasma, reduce the impact of heat on the equipment, and ensure the normal operation of the equipment.
Structural supports and connecting components
Structural supports and connecting components in artificial solar installations need to withstand high temperatures, high pressures and intense radiation environments. 90WMoNiFe alloy has good mechanical properties and radiation resistance, making it suitable for manufacturing these components. It can ensure the stability and reliability of the device and prevent device failure due to material failure.
In summary, the application of 90WMoNiFe alloy in artificial solar devices involves multiple key components. Its excellent high temperature resistance, radiation resistance, good mechanical properties and thermal stability provide a strong guarantee for the stable operation of the device. With the continuous development of artificial sun technology, the application prospects of 90WMoNiFe alloy will be broader.
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