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.Fortunately a non-destructive method of testing has come in to offer a more cost effective, and thus more reliable remedy. The technique is applied to the substance to determine its usefulness and then determine how to use it.
Furthermore, You will learn of any problems likely to arise in the future with the use of the technique of non-destructive testing and plan on how to evade any adverse results. The method is common with majority of manufacturers more so in the aerospace in industries. Effective as the method is, it involves a number of technologies.
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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. Effects of light and resistance to tension are some of the qualities that are tested in visual and optical aids that are used by man using the technique.Addition, machines such as bioscopes and computer aided cameras are used to examine the qualities and defects in the materials used to manufacture optical and visual items.
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Second is radiography. X-rays are used in radiography to examine the qualities and defects of the subject material. Just like the way a doctor examines a human body to detect any forms of fractures in bones and any other defects.A radiographer will direct a radiation to the part to be tested through to a digitized device for detection to produce a film for interpretation by the expert.The way it works is that a film is produced which carries information of the status of the elements of the substance once radiations are pointed to the area to be tested via a digitized machine.
Ultrasonic is another technology that has embraced the use of non-destructive testing.The application part of non-destructive testing involves passage of waves with high frequencies through the material subject of the test in order to detect any defects and discontinuities and changes in features. As sound waves produced in the system a receiver will receive any information about the material being tested.
The fourth technology in which non-destructive testing is applied is Magnetic particle testing.A magnetic field is started in a material for examination followed by application of iron pieces on the very material.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.
Dye solution is another equally important technology applied in non-destructive testing.
You can now test the usefulness and detect any defects on substance before use by the technique of non-destructive testing.