Attenuation of ultrasonic signals During the resistance spot weld process, the metals rapidly melt and cool.  The resulting weld nugget…

It is important to have a way to test spot welds quickly and accurately to determine the integrity of the…

Analogy to Light waves: You can think of the ultrasonic waves (or signals) as being similar to light waves.  Light…

Nondestructive testing using ultrasonic NDT systems with gates help to determine the integrity of a spot weld and whether a…

Nondestructive testing (NDT) is the process of inspecting, testing, or evaluating spot welds without destructing the weld, so the part…

Ultrasonic Non-Destructive Testing (NDT) is becoming popular with automotive manufacturers to verify the integrity of a resistance spot weld of…

Traditional destructive testing of Spot Welds, such as those detailed in ISO 10447 https://www.iso.org/standard/61276.html  are common in automobile manufacturing, and…

With a good ultrasonic Non-Destructive Test (NDT) inspection system that determines the thickness and diameter of a spot weld, the…