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Posted by / 14-Oct-2017 03:45

Carbon dating flaws water

Industrial gamma radiography exploits the ability of various types of radiation to penetrate materials to different extents.Gamma radiography works in much the same way as X-rays screen luggage at airports.Gamma radiography has found use outside of core industrial applications, with the technique successfully employed following the devastating earthquake in Nepal in April 2015.NDT was used to test the integrity of critical buildings such as schools and hospitals, as well as historical attractions.The gamma rays, like X-rays, pass through the object and create an image on the film.Just as X-rays show a break in a bone, gamma rays show flaws in metal castings or welded joints.

The height of the coal in a hopper can be determined by placing high energy gamma sources at various heights along one side with focusing collimators directing beams across the load.Instead of the bulky machine needed to produce X-rays, all that is needed to produce effective gamma rays is a small pellet of radioactive material in a sealed titanium capsule.The capsule is placed on one side of the object being screened, and some photographic film is placed on the other side.Both Japan and Malaysia have since backed an IAEA initiative to use NDT for the inspection of civil structures more widely following natural disasters.Gauges containing radioactive (usually gamma) sources are in wide use in all industries where levels of gases, liquids, and solids must be checked.

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Radiotracers are also used in the oil and gas industry to help determine the extent of oil fields.

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