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Non-destructive testing methods may rely upon use of electromagnetic radiation, sound, and inherent properties of materials to examine samples. This includes some kinds of microscopy to examine external surfaces in detail, although sample preparation techniques for metallography, optical microscopy and electron microscopy are generally destructive as the surfaces must be made smooth through polishing or the sample must be electron transparent in thickness.
Tungsten alloy instrument is suitable for radiation protection, as its combination of radiographic density (more than 60% denser than lead), machinability, good corrosion resistance, high radiation absorption (superior to lead), simplified life cycle and high tensile strength. The tungsten alloy instrument used in the non-destructive testing can be radiation shielding against gamma radiation and X-rays that are used during the non-destructive testing.
Nuclear research establishments use nuclear reactors or cyclotrons to study or create radioactive materials. T&D tungsten alloy is used in research activities as collimators (devices that guides or focus beams of radiation) or containers for radioactive isotopes.
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