Thursday, May 31, 2012

Types of Non Damaging Testing Ways

Non-destructive testing (NDT) refers to testing ways that don't cause any destruction to the fabric that's being tested. These techniques square measure usually used for testing the external or internal issues of a system or machinery or a product however doesn't interfere with the approach it functions or operates in future.

There square measure varied ways used for these tests. A number of them square measure as follows -

Magnetic Particle examination or Testing - this sort of testing is generally exhausted the case of iron or steel merchandise and systems, or the other materials having magnetic force properties. If there's any flaw or distortion within the submersed or surface of the fabric then it becomes visible thanks to the method concerned during this reasonably testing. Distortions may be within the kind of cracks or holes or something that is incredibly tough to observe with naked eyes.

Dye or Liquid Penetrant examination - Compared to different testing ways, this can be less costly. This testing technique is usually applied to materials that square measure non-magnetic and non-ferrous. These might embrace things that square measure ceramic or fabricated from plastic. The dye that's used is usually oil of terribly fine quality and skinny texture. It's typically bright red or fluorescent ultra-violet in color. The fabric to be tested is clean so the method is applied. Any cracks or flaws may be detected as a result of the dye penetrates that space and makes it visible.

Ultrasonic Testing - This testing method is commonly used in transportation industries, like automotive, aerospace and many others sectors. Sound waves of high frequency are used to find out any problems in the properties of the materials used in the product. The thickness of an object can also be tested with this method, especially if that object is accessible from only one end.

Radiographic testing - This kind of testing is suitable for detecting any kind of internal flaws or defects of non-ferrous and ferrous metals and other materials. The method involves the usage of a radioactive isotope or an x-ray device as the radiation source, which is passed through the material being tested. A digital device of film captures the process. This film is then processed to get an image, whose density can be variable. The changes in the density indicate the probable imperfections.

Hardness Testing - This is mostly used in metallurgy sector and in the fields of engineering. Scleroscope is a commonly used instrument for this method.

Infrared Testing - Thermography, measurement cameras and infrared imaging techniques are mostly used for infrared testing. These are used to detect if the object that is being tested is emitting any form of infrared energy.

Visual Inspection - One of the oldest types of non-destructive testing services is the visual testing method. The material that needs to be tested is scanned thoroughly to find out any kind of defects or flaws that might be present on its exterior surface. Sometimes cameras and video equipments are used as well for the process.
The non-destructive testing techniques are particularly well-known in certain locations, like the NDT services at Edmonton. The efficiency of these testing methods is giving them a wider consumer base, and, their effectiveness is helping in facilitating the rapid growth of various industrial procedures.

No comments:

Post a Comment