Special Tungsten Sheet

The main uses of tungsten sheet are as follows: electric light source parts and electric vacuum devices, tungsten boats, heat shields and heating elements of high-temperature furnaces, medical diagnosis and treatment equipment, radiation and interference shielding, etc.

1.Tungsten sheet are the same as tungsten rods, tungsten flakes are also a typical product of transition metal tungsten, which has very similar thermal, mechanical, chemical and electrical properties, and is widely used in mechanical equipment and semiconductor industries.

2.From the perspective of chemical composition, tungsten sheet can be divided into pure tungsten sheet and tungsten alloy sheet. The former is a thin sheet made of pure tungsten powder, and the latter is an alloy product with tungsten as the hard phase and metals such as nickel and iron as the binding phase. There are certain differences in the performance of the two.

3.It is worth mentioning that compared to tungsten sheet, pure tungsten sheets are more brittle and less difficult to machine (forging, drawing and impacting), however, their melting point and density are usually higher than those of tungsten alloy sheets. The melting point and density of tungsten alloy sheet are closely related to the type and content of binder, that is, when the ratio of raw materials is within a certain range, with the increase of binder content, the tungsten content will gradually decrease, and the melting point and density of tungsten alloy sheet will also decrease.

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