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Penetrant Testing (PT)

AMS Solutions เอ เอ็ม เอส โซลูชั่นส์

Penetrant testing (PT) is the inspection method that can detect the discontinuities on the surface such as cracks, porosity, incomplete fusion, and flaws in joints. This method is based on the capillary action where the liquid is drawn into the clean and dry surface discontinuities.

Penetrant Testing Processes

When performing the test, the part needs to be cleaned thoroughly, then the penetrant liquid is applied on the part. The excess penetrant has to be removed from the surface, after that developer will be applied on the surface in order to draw the penetrant liquid to the surface discontinuities. Then the inspectors will evaluate the results. 

AMS Solutions เอ เอ็ม เอส โซลูชั่นส์

Clean the part

Apply the penetrant

Clean the penetrant

Apply the developer

AMS Solutions เอ เอ็ม เอส โซลูชั่นส์
AMS Solutions เอ เอ็ม เอส โซลูชั่นส์

Advantages of Penetrant Testing Method

  • Can detect small discontinuities 

  • Can be inspected in many materials and shapes

  • Fast

  • Low cost

 

Although, the method seems to be simple, sometimes it can be tricky. We offer the penetrant testing service by the experienced and certified inspectors to complete all your inspection tasks. 

Contact our team for more information.

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