columbium


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col·um·bi·um (Cb),

(kol-ŭm'bē-ŭm),
Former name for niobium.
[Columbia, name for America]

columbium

See niobium.

columbium

(kŏ-lŭm′-bē-ŭm)
Former name for the element niobium.
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References in periodicals archive ?
Inconel 718--a nickel-based super-alloy with nominal composition of 62% nickel (Ni), 19% chromium (Cr), 9% iron (Fe), 5% columbium (Cb), 3% molybdenum (Mo), 0.
Niobium (also known as columbium) is consumed in the form of ferrocolumbium by the steel industry and of columbium alloys and metal by the aerospace industry.
Carbon Nitrogen Oxygen Sulfur Aluminum Weak Very Strong Very Strong Weak Vanadium Strong Very Strong Weak Weak Columbium Strong Medium Weak Weak Titanium Strong Very Strong Very Strong Strong Zirconium Strong Very Strong Very Strong Strong R.
Its highly efficient Advanced Columbium Liquid Apogee Engine, developed and used successfully to raise Chandra to its final highly elliptical orbit, is now a space-proven technology ready for insertion in commercial and scientific spacecraft.
I then laid out a program in which the following additions should be made: Cr, zirconium (Zr), cerium (Ce), bismuth (Bi), copper (Cu) and lead (Pb), tellerium (Te) - two levels since it was known to form carbides in iron - Mg and columbium (Cb).