Dating instrument medical power radiography source

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Industrial Radiography can be performed utilizing either X-rays or gamma rays.

Both are forms of electromagnetic radiation, the difference between various forms of electromagnetic energy is related to the wavelength.

Gamma radiation sources, most commonly iridium-192 and cobalt-60, are used to inspect a variety of materials, the vast majority of radiography concerns the testing and grading of welds on pressurized piping, pressure vessels, high-capacity storage containers, pipelines, and some structural welds.

Other tested materials include concrete (locating rebar or conduit), welder's test coupons, machined parts, plate metal, or pipewall (locating anomalies due to corrosion or mechanical damage).

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By using radioactive sources such as radium, far higher photon energies could be obtained than those from normal X-ray generators.

Non-metal components such as ceramics used in the aerospace industries are also regularly tested.

Theoretically, industrial radiographers could radiograph any solid, flat material (walls, ceilings, floors, square or rectangular containers) or any hollow cylindrical or spherical object.

Very important as most construction standards permit some level of defect acceptance, depending on the type and size of the defect.

To the trained Radiographer, subtle variations in visible film density provide the technician the ability to not only accurately locate a defect, but identify its type, size and location; an interpretation that can be physically reviewed and confirmed by others, possibly eliminating the need for expensive and unnecessary repairs.

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  1. Assemblywoman Michele Fiore, R- Las Vegas, elected to Assembly District 4 in November, has submitted a bill draft request to prepare a measure for consideration in the 2013 legislative session.