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Understanding NRT- Reading 1- 2 of 2- Radiogaphic Testing A

Understanding nrt reading 1- 2 of 2- radiogaphic testing a

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Inclusions are nonmetallic materials in a supposedly solid metallic matrix.<br />

They may be less or more dense than the matrix alloy and will appear on the<br />

radiograph, respectively, as darker or lighter indications. The latter type is<br />

more common in light metal castings.<br />

Charlie Chong/ Fion Zhang

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