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2. Weld quality assurance - Wikipedia

   en.wikipedia.org/wiki/Weld_quality_assurance

   Weld quality assurance. Weld quality assurance is the use of technological methods and actions to test or assure the quality of welds, and secondarily to confirm the presence, location and coverage of welds. [original research?] In manufacturing, welds are used to join two or more metal surfaces. Because these connections may encounter loads ...

3. Plastic weld non-destructive examination - Wikipedia

   en.wikipedia.org/wiki/Plastic_weld_non...

   The main purpose of NDE is to detect defects in the weld and the joint fit-up. Examples include joint mismatch, cracks, porosity, voids, inclusions, lack of penetration and lack of fusion (cold joints). However, the lack of defects does not necessarily mean the weld is adequate and thus NDE does not provide a good indication of weld strength ...

4. Nondestructive testing - Wikipedia

   en.wikipedia.org/wiki/Nondestructive_testing

   X-ray vault used in Radiography. Nondestructive testing (NDT) is any of a wide group of analysis techniques used in science and technology industry to evaluate the properties of a material, component or system without causing damage. [1] The terms nondestructive examination (NDE), nondestructive inspection (NDI), and nondestructive evaluation ...

5. Industrial radiography - Wikipedia

   en.wikipedia.org/wiki/Industrial_radiography

   Industrial radiography is a modality of non-destructive testing that uses ionizing radiation to inspect materials and components with the objective of locating and quantifying defects and degradation in material properties that would lead to the failure of engineering structures. It plays an important role in the science and technology needed ...

6. Welder certification - Wikipedia

   en.wikipedia.org/wiki/Welder_certification

   Welder certification is based on specially designed tests to determine a welder 's skill and ability to deposit sound weld metal. The main part of the welder's test consists of welding one or more test coupons which are then examined using non-destructive and destructive methods. The extent of certification is described by a number of variables ...

7. Dye penetrant inspection - Wikipedia

   en.wikipedia.org/wiki/Dye_penetrant_inspection

   Dye penetrant inspection (DP), also called liquid penetrate inspection (LPI) or penetrant testing (PT), is a widely applied and low-cost inspection method used to check surface-breaking defects in all non-porous materials (metals, plastics, or ceramics). The penetrant may be applied to all non-ferrous materials and ferrous materials, although ...