1 Scope
This International Standard specifies the principles of transmission techniques.
Transmission techniques can be used for:
The general principles required for the use of ultrasonic examination of industrial
products are described in ISO 16810.
The transmission technique is used for examination of flat products, e.g. plates and
sheets.
Further, it is used for examinations e.g.:
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— where the shape, dimensions or orientation of possible imperfections are unfavourable
for direct reflection;
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— in materials with high attenuation;
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— in thin products.