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columbium

NOUN
  1. a former name for niobium

How To Use columbium In A Sentence

  • In steel alloyed with molybdenum, manganese and columbium, which is use for these pipe-lines, molybdenum raises both strength and toughness.
  • For high strength grades, aluminum, vanadium, or columbium may be used for grain refinement.
  • These minerals are the principal sources of columbium (commonly called niobium), tantalum and molybdenum metals. Rhenium
  • Most alloying elements, such as chromium, columbium, copper, iron, manganese, molybdenum, tantalum, and vanadium stabilize the phase to the extent that a mixed - phase or an entirely phase alloy can persist down to room temperature.
  • The refractory metals include niobium (also known as columbium), tantalum, molybdenum, tungsten, and rhenium.
  • The gas tungsten arc welding process is used for the pure columbium and for the lower strength commercial alloys.
  • To eliminate the intergranular corrosion, it is necessary either to reduce carbon to very low levels, or to add titanium and columbium to tie up the carbon and nitrogen.
  • Columbium (also called niobium), like vanadium, is generally considered to increase the hardenability of steel. CR4 - Recent Forum Threads and Blog Entries
  • Coltan is a contraction of columbium and tantalum; it's found in 3 billion year old mud and without it much of our modern technology could not be made.
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