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Case Study: Surface Defect Analysis of Copper Tubing

From Resonic NDT Systems
 

 

Tests were conducted on Copper tubing of various diameters and wall thickness. These samples were tested in standard resonance mode EMAT's (electromagnetic acoustic transducers) configured for aluminum and steel rod. A rotary encoder input was utilized to generate the data plots of resonant frequency versus distance this data was recorded on the ARIS lab unit.

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Non-destructive testing (NDT) supplies and accessories are used to detect, inspect, and measure flaws, bond integrity, and other material conditions without permanently altering or destroying the examined part or product. Search by Specification | Learn more about Nondestructive Testing (NDT) Equipment
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Topics of Interest
Two samples of solid copper rod of approximately .30" diameter were tested in a 3 wavelength (N: 3) resonance mode EMAT (RM-EMAT). Transducer ID was .410" nominal. One of the samples has had a .040"... (Read More)
Three short samples of 61.1341 mm diameter induction hardened steel were tested utilizing the ARIS (Acoustic Resonance Inspection System) and three different iterations of a toroidal resonance mode... (Read More)
Extrusion weld detection: A .565 in. I.D. N:5 Resonance mode transducer was utilized to generate a subsurface ultrasonic resonance in a .440 in. OD aluminum rod. The frequency response is plotted... (Read More)
Samples of acceptable and unacceptable tapered spindles fabricated from 1039M steel were tested to determine the effectiveness of RM-EMAT based detection on the defects generated in the forging... (Read More)
Four samples of 1.90" diameter by 15.5" length bearing grade hot rolled steel samples were evaluated for detection of small surface defects of significantly less than 1% of volume. To adequately... (Read More)
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