GB/T 34363-2017 in English

Standard Background and Technology Evolution

Non-destructive testing (NDT) plays an important role in modern industry, especially in the field of aluminum alloy manufacturing. Aluminum alloy is widely used in aerospace, automobile manufacturing and other fields due to its light weight and high strength, and its internal quality detection is crucial to ensure product performance. As one of the main non-destructive testing methods, ultrasonic testing is widely used in the quality control of aluminum alloys due to its high efficiency and sensitivity.

The Importance and Production Process of Standard Test Blocks

The production and calibration of aluminum alloy ultrasonic standard test blocks is the basis for ensuring the accuracy and consistency of ultrasonic testing systems. Standard test blocks are used to verify the detection sensitivity, the influence of metal distance on the discontinuity to be detected, and the detection sensitivity calibration and metal distance correction under the same conditions as the actual detection.

Verification Procedure and Implementation Suggestions

The verification of standard test blocks includes two aspects: physical properties and ultrasonic response characteristics. The physical property inspection mainly involves parameters such as the flatness and parallelism of the sound beam incident surface and the roughness of the bottom surface of the hole to ensure that they are within the specified range. The ultrasonic response characteristic inspection uses the liquid immersion method to test the test block and draw the area-amplitude and distance-amplitude response curves to verify its compliance.