Description
The panels are made by plating a brass plate with nickel to a desired thickness (10μ, 20μ, 30μ, 50μ). Tension is then applied to the panels to create linear, fine cracks. A crack created over the plate layer stops at the boundary surface with the brass plate, thus the crack depth becomes equal to the thickness of the plated layer. The plates are then divided in half with a very thin layer of chrome as a protection film. The flaw pattern on the two pieces is highly symmetrical. This feature makes it possible to make side by side comparisons.
For more information, see manufacturer’s product sheet: Product Sheet – Magnaflux Nickel Chrome-Plasted Test Panels
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