To test a substance to a point when it begins to break will prove to be the simplest way to determine how it will work. Destructive testing other despite being an easy way to probe the qualities and defects in any in a material, it is not economically effective for systems which are expensive.This implies that the technique is not fit for use in in systems of high value.
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.Fortunately a non-destructive method of testing has come in to offer a more cost effective, and thus more reliable remedy. It is a way of testing materials before use.
Non-destructive testing gives confidence that the material being used are defects free and risks of problems in future are avoided. 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. Visual professionals are able to test the optical materials before use. 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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The other technology involved that makes use of non-destructive testing is radiography. The technology involves the use of x-rays to examine the features of a material. Just like the way a doctor examines a human body to detect any forms of fractures in bones and any other defects.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.
Next is ultrasonic 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. A part of the system called a receiver will record the information produced after the sound waves are introduced to the material.
In magnetic particle the technical of non-destructive testing is the only way that the usefulness of materials is determine.In magnetic particle testing, small particles of iron are applied on the surface of the material after having started a magnetic field.After applying the iron particles, you will see them getting collected at a point which will be interpreted as a leakage if indeed there is one.
The last one is penetrate testing which involves application of a dye solution on the material. The dye will go through any cavity of the surface.
Non-destructive testing is the sure way to determine the usefulness of most systems.