The formation of nitride layers in the nitrocarburizing of automotive engine valves

The formation of nitride layers in the nitrocarburizing of automotive engine valves

As a result of the increasing requirements on materials in recent years, the new austenitic valve materials X33 CrNiMnN 238 and X50 CrMn-NiNbN 219 were developed. To increase their resistance to wear, these materials are nitrocarburized. The appearance and composition of these austenitic materials n...

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Veröffentlicht in:Praktische Metallographie 1999-04, Vol.36 (4), p.195-205
Hauptverfasser: Kurz, M, Ittlinger, E
Format: Artikel
Sprache:eng ; ger
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Zusammenfassung:As a result of the increasing requirements on materials in recent years, the new austenitic valve materials X33 CrNiMnN 238 and X50 CrMn-NiNbN 219 were developed. To increase their resistance to wear, these materials are nitrocarburized. The appearance and composition of these austenitic materials nitro-carburide layers are very different to those that are formed on martensitic materials.
ISSN:0032-678X