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Radley Engineering offer a wide range of facilities to allow complete product testing during and after fabrication
The five primary weld NDE methods are as follows:
The most important NDE method is radiographic examination. In radiographic examination, a ray is emitted from a controllable source, penetrates a test specimen, and leaves an image on a strip of film that is mounted behind the test specimen.
A thorough visual inspection is usually satisfactory for minor structural welds. All weld surfaces that will be examined by more extensive means are first subject to VT. VT provides an overall impression of weld quality and helps to locate areas where additional NDE should be performed.
A liquid penetrant examination involves applying a penetrant which contains a fluorescent or visible dye to mark potential defect areas. The liquid penetrates into defects by capillary action. Then, by using 152 a developing procedure, the liquid bleeds out through a capillary action at surface flaws and makes them visible.
MT examination is based on the magnetic lines of flux (or force lines) that can be generated within a test piece. These force lines are parallel if no defects are present. If there is a defect, a small break in the force lines appears at the defect location. In MT examination, iron powder is applied to the surface and then the test piece is magnetized. If there are no defects, the iron powder is aligned in straight lines along the North-South magnetic flux lines. If there is a defect, the iron powder alignment is disturbed and flows around the defect.
In UT examination, sound waves are generated by a power source and applied to the test piece through a transducer. Figure 7.4 shows a pulse echo ultrasonic examination system. The sound waves pass through the test piece and are reflected back to the transducer either from the far side of the test piece or from a flaw that is located at an intermediate position within the test piece. By careful calibration, the UT operator knows if a flaw has been detected and knows its location and its size.
We offer a wide range of factory acceptance tests to ensure that the equipment operates as it is designed to do. We can accommodate the client in carrying out a wide range of testing at FAT. Here is an example of some of the test carried out but not limited to:
Talk to Radley Engineering Today to Discuss Your Product Testing Needs.