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Tantalum Niobium solid solution
Tantalum Niobium solid solution

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1.Solid solution powders of tantalum-niobium carbide.
2.Appeareance: Dark grey powder.
3.Application: for cemented carbide.

    Appearance color-dark grey powder from the 1801 British chemists discovered niobium (Nb) and 1802 Swedish chemist found tantalum (Ta) later, because of their nature is very similar, in a very long period of time, people always think is the same kind of matter. Until 1844, the German chemist LuoJie before he proved Ta, not the same elements, visible Nb and Ta Nb is how close. Because of this, they in hard alloy, the role of similar, they also can improve the red hard alloy, wear resistance and corrosion resistance, and can effectively restrain the growth of the alloy grain.

But because the W, Ti, Ta, Nb of solid solution and displacement between type of solid solution, and Nb atomic weight only half of the Ta, therefore, cannot unrestricted, increase Nb at around twenty percent is advisable. In addition to note is that the match Nb high carbon, therefore, will be part of the generation, the Ta Nb alloy mixture total carbon will increase.

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