Phased Array Tandem Combination
Phased array tandem combination uses two electronically controlled ultrasonic groups to simultaneously test volume flaws via different sound paths. This increases efficiency and accuracy of NDT on thick-walled parts.
Physical-chemical mechanism of action
The phased array tandem combination uses two ultrasonic groups that are controlled independently. Each group sends sound waves over different sound paths and captures the reflections. By evaluating these data in parallel, a more detailed image of the material's internal structure can be generated.
Metallurgical relevance & welding risks
This technique is especially useful for testing thick-walled forged parts because it allows higher resolution and depth. Incorrect settings or problems with the ultrasonic system can lead to inaccurate results, which poses risks in quality assurance.
Workshop practice & action instructions
To use the phased array tandem combination effectively, follow these steps:
1. Calibration: Make sure both ultrasonic groups are correctly calibrated.
2. Settings: Adjust the settings for each group to the specific needs of the test object.
3. Execution: Perform the ultrasonic test in parallel with both groups and evaluate the results together.