Cement foaming agent, also known as foaming concrete foaming agent, refers to an admixture that can reduce the surface tension of liquid and generate a large amount of uniform and stable foam for the production of foamed concrete. Foaming agent is a kind of substance that can make its aqueous...
Boride for rocket construction
Boride ceramics: Are they fragile?
Boride Ceramics are characterized by high conductivity and hardness, as well as a high melting point. Boride can be produced by sintering under normal pressure, hot pressing or ISOSTATIC after injection or conventional molding.
What are boride compound?
Binary compound of Boron and metals with certain nonmetals like carbon. MMBN may be expressed using a generic formula. It is an interfilling and does not obey the valence rules. Boride can be formed by other metals as well as zinc (Zn), cadmium(CD), Mercury (Hg), gallium(Ga), indium (In), thallium(Tl), Germanium (GE), tin (Sn), lead (PB) et Bismuth. The crystals have high melting points and hardness. They are also stable chemically and insoluble in hot concentrated acid.
Boride: A micronutrient with a vital role ?
B is commonly added to all commercial superalloys for improved high temperature serviceability. It is believed that B tends towards segregation at grain borders, which can help to prevent grain boundary migration when temperatures are high. Superalloys contain B in two forms: as solid solution or as boride precipitates. B's solid solubility in superalloys is low. Therefore, a variety of Boride will be precipitated at high temperatures. Even though these boride materials are widely used in superalloys and alloys, they are only known at a relative macro-scale. The further understanding of the fine structure of precipitates is helpful to optimize the material design and elaborate the structure-performance relationship reasonably.
Boride powder is available at a reasonable price
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