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The name tungsten (which means ' heavy stone ' in Swedish and was the old Swedish name for the mineral scheelite and other minerals of similar density) is used in English, French, and many other languages as the name of the element, but wolfram (or volfram) is used in most European (especially Germanic and Slavic) languages and is derived from ...
Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through sintering [7] for use in industrial machinery, engineering facilities, [8] molding blocks, [9] cutting tools, chisels, abrasives, armor ...
AA-8000: used for electrical building wire in the U.S. per the National Electrical Code, replacing AA-1350. [1]Al–Li (2.45% lithium): aerospace applications, including the Space Shuttle
The aluminum 45mm offset trailer wheel is 37% lighter than the steel equivalent with a maximum load per wheel of 5,000kg. New Alcoa forged aluminum wheels being introduced also include the:
In 2008 Norman E. Holden wrote (for IUPAC): Whether the origin of the dispute over wolfram and tungsten would justify the retention of wolfram as an alternate name for element 74, only time will tell. So "tungsten" definitely dominates in English, but "wolfram" is not completely gone (just mostly gone). Double sharp 10:45, 18 December 2022 (UTC)
Another catalytic use of tungsten is as a De-NO X catalyst which is used in the treatment of nitrogen oxide emissions to convert harmful nitrogen oxides into inert N 2 gas. [14] Another modern day use of tungsten is as a lubricant. Tungsten disulfide (WS 2) is a lubricant with a dynamic coefficient of friction of ~0.03. Tungsten disulfide can ...
In 1939 further shortages of tungsten due to WW2 led to Hemerdon Wolfram Ltd constructing a 90,000-tonne per year mill with 55% wolfram recovery, which began operation in 1941. [ 15 ] The Ministry of Supply carried out extensive evaluation of tungsten deposits in the UK, and it was concluded by 1942 that Hemerdon offered the most potential for ...
The first cemented carbide developed was tungsten carbide (introduced in 1927) which uses tungsten carbide particles held together by a cobalt metal binder. Since then, other cemented carbides have been developed, such as titanium carbide , which is better suited for cutting steel, and tantalum carbide , which is tougher than tungsten carbide.
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