Seismic Features and Applications of Tungsten

Seismic tungsten filament according to its normal and has the characteristics of high seismic named, it is mixed with the tungsten powder potassium, sulfur and prepared from aluminum and other elements. It is the tungsten material has the special properties of a class of products, which not only has high resistance to sag tungsten normal performance, good around the system performance, but also has a high shock and vibration resistance performance.

Tungsten is mainly used in seismic vibration environment lighting systems, for example, various traffic lights, special light bulbs for military purposes, aerospace engine heating wire, etc., which is the largest amount of cars, motorcycles, tractors, aircraft lighting lights.

Another important seismic tungsten is a variety of application areas kinescope cathode heating wire, the annual consumption of at least 600 million meters. As the world's automotive, electronics and other industries, these figures every year extensions. According to statistics, in 1999 the domestic market demand is 214 million meters, at an annual growth rate of 8%, to 2005 domestic demand will reach 31.8 billion meters, its output will be 314 billion yuan in 1999 to 514 in 2005 billion.

However, with the development of society and the advancement of science and technology, but also on the quality of seismic tungsten proposed more stringent requirements. General production process seismic tungsten wire, high temperature work, the seismic performance is not satisfactory, tungsten formability poor wound easily broken when the double helix filament yarn, filament deformation and luminosity is unevenly distributed. Therefore, the optimization of production processes, improve production processes, high temperature performance with good preparation, processing and wire around the excellent performance of the seismic tungsten has important practical significance.


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