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Journal of Failure Analysis and Prevention

, Volume 4, Issue 6, pp 51–57 | Cite as

Wear-related failures of nitrocarburized steels: Some microstructural and morphological observations

  • G. Pantazopoulos
  • S. Antoniou
Peer Reviewed Articles

Abstract

This paper describes some characteristic microstructural and morphological features of nitrocarburized tool and die steels after wear testing (standard pin-on-disk technique). The steels under study are used for the fabrication of dies and molds for metal working (cold- and hot-work) and plastic injection molding. Surface spalling by interface failure and/or intralayer fracture was observed for the two classes of tool steels (AISI D6 and a CrMoV steel), and uniform surface layer removal by micropolishing and microcutting was observed on the precipitation-hardened (PH) stainless steel.

Keywords

morphological aspects nitrocarburized steels surface fracture wear failures 

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Copyright information

© ASM International 2004

Authors and Affiliations

  • G. Pantazopoulos
    • 1
  • S. Antoniou
    • 2
  1. 1.Quality Control DepartmentHALCOR SA Metal WorksAthensGreece
  2. 2.Laboratory of Tribology, Department of Mechanical EngineeringTechnological Education Institute of Piraeus (TEI)EgaleoGreece

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