How is tungsten carbide powder made?

How is tungsten carbide powder made?

Carbides are made by blending micron-sized tungsten carbide particles with Cobalt (or Nickel) powders. This mixture is placed in a mold and compacted to a net or near net shape. As the Cobalt flows it coats or wets each grain. When the Cobalt cools it solidifies cementing the grains together forming a composite.

How is tungsten carbide obtained?

Tungsten ore is refined to form tungsten oxide or pure tungsten powder. The process to combine tungsten metal with carbon to form tungsten carbide (abbrev. The WC powder forms in a crystal mass as it cools; then further cleaned and processed to extract the WC powder.

What is tungsten powder used for?

Tungsten metal powder is use as raw material for tungsten carbide manufacture and as raw material for the production of sintered tungsten and tungsten alloys. As a speciality we also offer doped tungsten metal powders.

What is tungsten carbide used for?

tungsten carbide, an important member of the class of inorganic compounds of carbon, used alone or with 6 to 20 percent of other metals to impart hardness to cast iron, cutting edges of saws and drills, and penetrating cores of armour-piercing projectiles.

Why is tungsten carbide so cheap?

Cheap tungsten rings are cheap due to less time spent on labor. This translate to rings that are not made with as much precision or care, which ultimately translates to lower quality. Every one of Timeless Tungsten’s rings are manufactured with dedicated craftsmanship and precision labor.

Is tungsten carbide expensive?

Tungsten is a very affordable metal, and unlike the precious metals, is easy on your wallet. There are different grades of tungsten carbide used in jewelry which can impact the price. For example, high quality tungsten with carbon and nickel included can cost more than other lower grade tungsten carbide combinations.

Does tungsten carbide turn your finger green?

Will a tungsten ring turn your finger green? No! The reason some cheap rings turn your finger green is that they contain copper. All our tungsten rings contain only tungsten and nickel.

Is titanium better than tungsten carbide?

Tungsten Isn’t Always A Better Choice Than Titanium Of the two metals, tungsten is the strongest and it’s more scratch-resistant. Tungsten carbide is 8.5 to 9 on the hardness scale, while titanium is 6.

What is tungsten carbide tool material?

Tungsten carbide is the most widely used type of high-speed machining (HSM) tool material produced by powder metallurgy, consisting of hard carbide (usually tungsten carbide WC) particles and a softer metal bond. composition.

How to recycle tungsten carbide powder?

Waste tungsten carbide can generally be reused by APT (ammonium paratungstate) process, zinc recovery process or by pulverization. These “recycled” tungsten carbide powders generally have better, predictable densification because their surface area is smaller than tungsten carbide powder made directly from the tungsten carburizing process.

Why are metal binders used to bond tungsten carbide?

In order to take advantage of the high hardness of tungsten carbide and improve its toughness, metal binders are used to bond tungsten carbide so that the material has a hardness far exceeding that of high-speed steel while being able to withstand most cutting processes. Cutting force.

What is WCWC-Co Tungsten carbide?

WC-Co tungsten carbide has a unique advantage in both hardness and toughness. Tungsten carbide (WC) itself has a very high hardness (beyond corundum or alumina) and its hardness is rarely reduced as the operating temperature increases. However, it lacks sufficient toughness, which is an essential property for cutting tools.