tungsten carbide - ορισμός. Τι είναι το tungsten carbide
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Τι (ποιος) είναι tungsten carbide - ορισμός

CHEMICAL COMPOUND
Tungsten Carbide; Borium; Tungsten-carbide; Tungsten(IV) carbide; Tungsten semicarbide; Tungsten in rings; Cemented tungsten carbide; Cemented WC; Wolfram Carbide
  • α-WC structure, carbon atoms are gray.<ref name=str/>
  • A tricone roller cone assembly from a raiseboring reamer, showing the protruding tungsten carbide buttons inset into the rollers
  • Nokian]] bicycle tire with tungsten carbide spikes. The spikes are surrounded by aluminum.
  • Spherical tungsten carbide under [[scanning electron microscope]], magnification x950, Material Laboratory
  • Cemented carbide drill and end mills

tungsten carbide         
¦ noun a very hard grey compound made by reaction of tungsten and carbon at high temperatures, used in making engineering dies, cutting and drilling tools, etc.
Carbide saw         
  • 2011 AMSAW 350PR
  • thumb
  • thumb
  • fig.1: pivot saw with a close loop force flow
  • fig.2: Horizontal slide saw with open loop force flow
  • 1969 Metalcut 12
  • 1979 Metalcut 24 pivot bar cutoff saw
  • 1974 Metalcut 12 pivot layer saw
  • 1973 Metalcut III dual pivot saw
  • Metalcut XII-P
  • Miter Rail Saw
  • Ohler Double Column Vertical Saw with Round Ways
  • Metalcut Roller stabilizer
  • Amsaw Segmental stabilizer
  • Typical Vertical Slide Layer Machine
MACHINE TOOL USING BLADES WITH CEMENTED CARBIDE FOR CUTTING HARD MATERIALS
Carbide Saws
Carbide saws are machine tools for cutting. The saw teeth are made of cemented carbide, so that hard materials can be cut.
Cemented carbide         
  • Tungsten-carbide inserts
  • Spinning blade of a table saw cutting wood at an angle
TYPE OF COMPOSITE MATERIAL
Pobedit; Carboloy; Widia (metal); Tungsten-carbide cobalt; Carbide insert
Cemented carbides are a class of hard materials used extensively for cutting tools, as well as in other industrial applications. It consists of fine particles of carbide cemented into a composite by a binder metal.

Βικιπαίδεια

Tungsten carbide

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 for use in industrial machinery, cutting tools, chisels, abrasives, armor-piercing shells and jewelry.

Tungsten carbide is approximately twice as stiff as steel, with a Young's modulus of approximately 530–700 GPa, and is double the density of steel—nearly the same as gold. It is comparable with corundum (α-Al
2
O
3
) in hardness and can be polished and finished only with abrasives of superior hardness such as cubic boron nitride and diamond powder, wheels and compounds.

Παραδείγματα από το σώμα κειμένου για tungsten carbide
1. One day last week, 600 feet below ground and 3.5 miles from the elevator shaft, six miners crouched in a five–foot–high passage to operate a giant drum studded with tungsten carbide tips.