Tungsten alloy is a kind of alloy, which is based on the metal tungsten and composed of one or more alloying elements. Tungsten and tungsten alloys are widely used, such as electronics, electric light source industry, aerospace, casting, weapons and other sectors for the production of rocket nozzles, armor piercing shells, contacts and so on. So what is the classification of tungsten alloy? In the following, I will introduce it for you.

Tungsten alloy can be divided into molybdenum tungsten alloy and niobium tungsten alloy. Molybdenum tungsten alloy refers to the alloy containing two elements of molybdenum and tungsten, molybdenum tungsten alloy is based on molybdenum or tungsten. The alloy can be formed at any rate and is a fully solid solution alloy at all temperatures. Niobium tungsten alloy is niobium alloy which is based niobium and adds a certain amount of tungsten and other elements. Tungsten and niobium form an infinite solid solution, tungsten is an effective strengthening element of niobium, but with the increase of tungsten content, the plastic brittle transition temperature will increase, and the grain will also increase significantly. Therefore, in order to obtain the high strength NB tungsten alloy, it is necessary to properly control the amount of tungsten, at the same time. add a proper amount of grain refinement, reduce the plastic brittle transition temperature of elements such as zirconium and hafnium.