
Case 2527 ยท Public preview
A Plating Microsection Can Redirect a Premature-Wear Investigation
A mated contact pair exhibited premature wear, raising concern that deficient gold or nickel plating caused the damage.
Targeted microsectioningSEMEDSMetallographic etchingGold-thickness measurementNickel-thickness measurementSpecification comparison

What the evidence preview establishes
The plating on both sides of the contact pair was uniform and generally met specification, with no anomaly capable of explaining the premature wear. The evidence redirected the investigation toward mechanical factors such as shock and vibration.
Why this case matters
Do not assume visible contact wear began with thin plating. Measure both mating surfaces and compare them with specification; acceptable continuous layers shift the corrective-action focus toward contact mechanics and dynamic loading.
Full evidence reserved for MEMBER and STOREThe complete case includes the evidence sequence, four interpreted figures, alternative explanations, limitations, and practical application guidance.