In the production process of cut-resistant tungsten wire, in addition to the main tungsten element, some rare metals may be used as alloying elements to improve the performance of tungsten wire, such as cut resistance, strength, toughness, etc. These rare metals include but are not limited to the following:
Rhenium (Rhenium, Re):
Rhenium is a rare metal with high melting point and high density, and has excellent high temperature stability and corrosion resistance. Adding an appropriate amount of rhenium to tungsten wire can significantly improve the high temperature resistance and anti-sagging performance of tungsten wire, making it more suitable for occasions that require long-term high temperature work, such as high temperature furnaces, electric light sources, etc.
Thorium (Thorium, Th):
Although thorium is mainly used in the field of nuclear energy, it may also be used as an additive in some specific alloys. However, in the production of cut-resistant tungsten wire, the direct use of thorium is not common, but it may be used as one of the alloying elements in some special alloy tungsten wires (such as thoriated tungsten rhenium alloy wire).
Other rare metals:
In addition to rhenium and thorium, other rare metals may also be used, such as molybdenum (Mo), tantalum (Ta), etc. These metals also have excellent physical and chemical properties and can improve the performance of tungsten wire to varying degrees. However, their specific usage and addition amount will vary depending on the specific purpose and performance requirements of the tungsten wire.
It should be noted that although these rare metals may play an important role in the production of cut-resistant tungsten wire, their addition amount is usually small and needs to be adjusted according to the specific process and product performance requirements. In addition, with the continuous advancement of science and technology and the continuous emergence of new materials, more new alloying elements may be used in the production of cut-resistant tungsten wire in the future.
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