A Guide to Non Destructive Testing You can stretch a material to a point of breaking to establish its usefulness before use. The method is effective and economical when it is applied on systems which of high volume with low cost.However it cannot be favorably application on high cost systems. Additionally, it will defeat the logic of seeking to advance in the study.Alternatively, you can carry out the tests and successfully arrive at a conclusion as the usefulness of the subject material remains intact. It involves probing for any defects in a system prior to its use. An additional advantage with non-destructive testing is that you are sure of the usefulness and the any defects of potential risks. Most manufacturing industries make use of this technique top process their products. Effective as the method is, it involves a number of technologies.
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First there is visual and optical testing technology. It the area of visual and optical technology, visual examiners have succeeded in the application of non-destructive testing. They test the tensile strength and their response to light intensity to manufacture the items to the human eye.Also, they use computerized camera systems and optical assisted machines like bioscopes to determine the qualities of a constituent.
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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. The technology of ultrasonic too makes wide and extensive use of non-destructive testing.In this technology,sound waves of high frequency are passed through the substance in subject to detect any failures in continuity and changes in features if any. A part of the system called a receiver will record the information produced after the sound waves are introduced to the material. 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. Non-destructive testing is the sure way to determine the usefulness of most systems.
