A Guide to Non Destructive Testing Ideally the easiest avenue to test the structural functionality of a substance is by stretching to a point of breaking. It is a sure way to provide an effective and economically reliable solution for systems that are of low cost.By extension, since at the point of breaking a huge amount of economic loss will be incurred especially when the method is applied on systems and substances of high costs for example aerospace. Another associated disadvantage with destructive testing is that you will not be able to continue learning the subject of study since you will be breaking every material of testing, leaving more to be probed.The good news is that there is an alternative way of testing systems without incurring any economic loss. It is a way of testing materials before use. An additional advantage with non-destructive testing is that you are sure of the usefulness and the any defects of potential risks. Almost all aerospace manufacturers employ the method. The method is characterized by a multiple of applications.
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Top in the list of applications is in visual and optical testing. Non-destructive testing has proven helpful in testing optical and visual materials in the manufacture of visual aids and tools. The quality for materials used in the manufacture of human visual aids and devices is tested in respect to their response to light and tendency to break.On the same note, the qualities of the materials to be used in the manufacture of optical and visual aid can be determined by use of machines like bioscopes and other computerized camera systems.
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Radiography also employs the technology of non-destructive testing. X-rays are used in radiography to examine the qualities and defects of the subject material. The use of x-rays is synonymous with the way a doctor uses the rays to examine fractures and any other defects in a human body.The process involves first passing radiations through the part of the material to be tested by a professional called a radiographer using a digital device which will pick information on the conditions of the components of the material to for a film which is used for interpretation. Ultrasonic is another technology that has embraced the use of non-destructive testing.By passing high frequency waves through subject substance, any defects and discontinuities are easily detected making the technique of non-destructive testing famous in the field of ultrasonic. The sound waves are introduced to the material and any internal imperfections are reflected in a receiver. The other technology is magnetic particle testing.In magnetic particle testing, small particles of iron are applied on the surface of the material after having started a magnetic field.Any discontinuities are interpreted as irregularities will be noticed as the pieces of iron will be collected at a leakage point. Dye solution is another equally important technology applied in non-destructive testing. The common method of determining the usefulness of a material nowadays is non-destructive testing.