Knowledge check (8 of 8)
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Lesson 10·QC and failure
Failure modes — white-layer spall, network cracking, distortion, embrittlement
Five ways a nitrided tool fails in service, how to read each one from a microsection, and when 'the nitride failed' is honestly 'the wrong recipe was specified.'
11 min readLesson 10 of 12
Knowledge check
A 50 HRC H13 forge die comes back after 8,000 cycles with a sheet-like delamination of the case across the high-contact zone. The vendor calls it hydrogen embrittlement and recommends a post-nitride bake-out on the next batch. Is the vendor right?