An Overview of Non Destructive Testing

Non destructive testing (NDT) involves several methods of identifying damage and flaws and is an essential procedure in industrial plant inspection. NDT is an engineering process of testing materials without altering them. There is no need to cut open a piece or scratch its surface when a nondestructive test is done. As a matter of fact there are numerous ways to test materials without having to alter them in anyway. This is important in various situations wherein the aesthetic appearance of a material cannot be compromised by testing and when the material in concern is hazardous. This process is usually part of industrial maintenance which is done regularly to ensure that the plant is in fit working condition. The techniques used will be used to make decisions whether to suspend operations and do preventive overhaul.

The purpose of NDT is to find out the probability of an existence of damage and flaw, as well as pin it down depending on the outcome of measurement. The methods for testing material flaw do not measure parameters like temperature and pressure.

NDT is a measurement of a physical property or effect from which the presence of damage or irregularity can be inferred. It is not a measurement of a fixed parameter such as temperature or pressure. The tests are conducted without impairing the capability of the equipment, securing its usefulness in the future.

Read One An Overview of Non Destructive Testing

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