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The extended application of several nano materials in concrete The extended application of several nano materials in concrete

Concrete is the basic building material and is widely used in various buildings and structures. With the large-scale concrete engineering, the complexity of the engineering environment and the continuous expansion of application fields in the 21st ce...

Bi Bismuth Nanoparticles

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Application fields of nano-bismuth powder: 1. Metal nano-lubricating additive: Add 0.1~0.3% nano-bismuth powder to the grease to form a self-lubricating and self-healing film on the surface of the friction pair during the friction process, which significantly improves the performance of the grease. 2. Metallurgical industry: Nano-bismuth powder can be used as an additive for cast iron, steel and aluminum alloy to improve the free cutting performance of the alloy. 3. Magnetic materials: The thermal neutron absorption cross section of bismuth is very small, the melting point is low, and the boiling point is high. It can be used as a heat transfer medium in nuclear reactors. 4. Other applications.
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