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ASNT Level III- Visual & Optical Testing

My Level III Self Study Notes Reading 4 Section 4B

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Replication Microscopy Techniques for NDE<br />

Figure 3 Positive carbon extraction replication steps, (a) Placement of plastic after the first etch.<br />

(b) After the second etch. (c) After the deposition of carbon. (d) The positive replica offer the<br />

plastic is dissolved<br />

Charlie Chong/ Fion Zhang

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