CoatingIQ
← Course index

Knowledge check (8 of 8)

100%

Lesson 09·Application

Application playbook — forge dies, stamping, plastic molds, gears, extrusion

Five tool classes, five different recipes: typical steel, target case depth, target compound layer, preferred process, and the failure mode each recipe is designed to defend against.

11 min readLesson 9 of 12

Knowledge check

A plastic mold shop nitrides a P20 cavity insert in a single gas cycle at 540°C, Kn = 3.0, 30 hours. The cavity comes back 0.04 mm oversize on the critical dimension, the surface measures HV 950, and the compound layer is 12 µm. What did the recipe miss for this application class, and what would you change?