The Manufacture Processes of Tungsten Alloy Shielding for Detectors

Tungsten alloy materials now are widely used to produced as shielding for detectors.the manufacture processesof tungstens alloy shielding for detectors will be the processes of mixing a tungsten alloy power with an organic binder. In comparison to the conventional powder metallurgical fabrication of tungsten and tungsten alloy sheets, producing by pressing, sintering several rolling steps and thermal treatments. The process comprised the mixing of a tungsten alloy powder (such as: with content of 92.5 et.% W and the balance of Ni, Fe) with an organic binder, thermoplastic shaping of mixture to a green sheet material by an extrusion process, followed by debinding and sintering. The sintering step was performed in hydrogen atmosphere under liquid phase sintering conditions at a temperature range of 1450°C to 1500°C. Depend on the different needs of customers,tungsten alloy sheets can be produced into sheets and foils for a thickness range of below 0.1 until 4 mm in collimator.

The photograph below shows tungsten alloy materials to manufacture shielding for detectors.

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