Ferrosilicon in Nuclear Fusion: Shielding the Future of Clean Energy
The ITER project has tested FeSi-coated tungsten divertor plates, which face plasma temperatures exceeding 10 million °C. FeSi's silicon forms a self-healing SiO₂ layer under neutron bombardment, reducing erosion by 70% compared to pure tungsten. Additionally, its iron content mitigates embrittlement caused by hydrogen isotopes. As nuclear fusion advances toward commercialization, materials capable of withstanding extreme neutron radiation are critical. Ferrosilicon, traditionally used in radiation shielding for fission reactors, is now being optimized for fusion environments.
Cutting-Edge Development: MIT's SPARC reactor employs a FeSiB (boron-doped ferrosilicon) alloy as a neutron moderator. Boron enhances neutron absorption, while silicon prevents swelling-a common issue in fusion materials. Simulations predict a 30-year lifespan for SPARC's first wall, a milestone for fusion viability.
ferrosilicon specification
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Trademark |
ZhenAn |
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Product |
Ferrosilicon |
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Chemical Composition |
Si C S P Al |
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Shape |
Lump |
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Package |
1Metric Ton/Big Bag or As Customer's Requirement |
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Color |
Silver Grey |
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Sample |
1KG FREE OF CHARGE |

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