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Overview of Nondestructive Testing: Radiography Testing

Just choosing the most advanced, powerful, and safest X-ray machine installed on your premise and then expecting to make big money out of it, isn’t the right approach. You are running a company in the medical field and this  is why you have to be particular about both the patients’ and the operators’ safety; otherwise, you will end up shutting the doors of your medical facility forever.

It’s’ true that services like shielding testing and medical physics consulting have made the use of such machines in a medical facility a lot safer and manageable, but this doesn’t mean you should be completely blank about its implications.

To widen your knowledge base, we have come up with a complete overview of nondestructive testing in the form of radiography testing in this blog post. Keep reading to stay illuminated.

Nondestructive testing and its objective

Nondestructive testing includes a wide variety of non-invasive inspection techniques that are basically used for evaluating components, material properties, and in some cases, even an entire process unit. The same technique used in nondestructive testing can also be used to characterize, detect, and analyze the presence of damage mechanisms. 

NDT or nondestructive testing is also known as nondestructive inspection, nondestructive evaluation, and nondestructive examination in many cases.

There are many different types of NDT techniques used these days for identifying defects and its various aspects such as its size, shape, and even orientation. The main objective of using the NDT technique is to analyze a given component in an economical, safe, and reliable manner that will not require the shutting down of the plant operation or without causing any damage to the equipment itself. This is entirely different from destructive testing, where there is always the chance of the inspected part getting destroyed during the inspection process.

Application of NDT

One of the unique things that you should know about NDT is that it can be used after and before manufacture. In some cases, it can be used even when the equipment being tested is in service. 

With the help of NDT, we can know whether the parts of the equipment are ideal for the desired function or not. In layman’s language, during NDT, the different parts of the equipment are checked to ensure that they will last for a particular time period or cycle before encountering any type of failure.

During the inspection process, NDT can be used to analyze the damage state of the equipment at hand, make informed decisions for remaining equipment life evaluation, and even monitor damage mechanisms.

Radiography testing

Radiography testing is a type of NDT that involves X-ray or gamma rays for analyzing the internal structure of a given component. The RT is used for the inspection of machinery in the petrochemical industry, and in many cases, It can also be used for finding weld repairs.

If you compare radiography testing with all the other types of NDT techniques, you will find out that RT offers many advantages. One of the best things about RT is it’s highly reproducible, and can be used on a wide array of machines. While on the other side, most of the NDT techniques have their limitations when it comes down to using different machinery.

You should also know that RT is one of those unique NDT techniques that require very little surface preparation, which is why it is considered ideal for medical physics consulting. And most of the RT equipment is highly portable, which means that it can be used at elevated positions and fields. But this might not be the case with medical physics consulting through RT.

Codes and Standards

The most important thing that you should know about any NDT technique, including RT, is codes and standards prescribed for the proper fabrication of components, in-service equipment, and even critical parts’ safety. This is one of the main reasons why all the facilities using any NDT technique must have a proper understanding of the interdisciplinary field of NDT. 

To comply with the industry regulations and make the most of the technique, you will need to keep tabs on the latest updates and perform regular inspections of the machine in use.

The codes, standards, specifications, regulations, and recommended practices vary from country to country. This is why we cannot develop a generic approach that will allow you to follow the codes and standards. You will need to check with your country’s rules and regulations to get better insight and details.

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