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DTB’s metallurgical/materials laboratory analyzes all types of plated/coated surfaces for composition, hardness, and microstructure using both non-destructive and destructive techniques, as appropriate. Evaluation of shot peening and other surface treatments, such as passivation, are also routinely performed.
Analyses of surface treatment defects, such as debonds, crack initiation in the coating, propagation into the bulk (hard anodize and hard chrome), peeling, and susceptibility to corrosion, are typically carried out as part of our failure or conformance-to-requirements investigations.