CSWIP CERTIFICATE EXTENSION DUE TO COVID-19 ISSUE

If your CSWIP welding / Painting Inspector certificates expired or near to expire contact TWI for free six months extension. For more detail...

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NDT Level III Personnel Qualification Certification for UT - Ultrasonic Testing Outline and Study Materials

About Ultrasonic Testing (UT) Ultrasonic testing uses the same principle as is used in naval SONAR and fish finders.  Ultra-high frequency ...

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Mechanical Testing - Compact Tension and J integral tests

The compact tension (CT) specimen and the J integral test, the two test methods briefly described in this post, may also be used to charac...

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Mechanical Testing - Crack Tip Opening Displacement Test (CTOD)

The next few post will look at the tests that enable fracture toughness to be accurately measured in a quantitative manner by using a full...

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Mechanical Testing - Hardness Test

The hardness of a material can have a number of meanings depending upon the context, which in the case of metals generally means the resis...

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Mechanical Testing - Bend Test

The bend test is a simple and inexpensive qualitative test that can be used to evaluate both the ductility and soundness of a material. It...

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Impact Testing of Welds

The impact testing of welds and some of the factors that affect the transition temperature such as composition and microstructure. Within ...

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