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Journal of Materials Science

, Volume 42, Issue 3, pp 834–840 | Cite as

Hot compression and fracture toughness of HSS composed hot strip work rolls

  • Abdelylah Benazza
  • Abdelkader ZiadiEmail author
  • Boualem Serier
  • Belabbes Bachir Bouiadjra
  • Benali Boutabout
Article

Abstract

The rolls in the finishing stands must have good resistance to both wear and fire cracks. The use of high-speed steel at the finishing stands has shown satisfactory results. The composition of this high-alloyed steel is an important parameter as the most significant change lays on the type, morphology, and volume fraction of the eutectics carbides. The heat treatment of these products consists of high temperature austenization followed by quenching and two temperings, as required in order to increase their overall hardness and to completely eliminate residual austenite. The influence of tempering temperatures on the mechanical properties of these products, determined using tensile, hot compression and fracture toughness tests, was studied in this research work. Their corresponding failure micromechanisms were defined by means of the analysis of fracture surfaces.

Keywords

Carbide Austenite Martensite Fracture Toughness Temper Heat Treatment 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Abdelylah Benazza
    • 1
  • Abdelkader Ziadi
    • 1
    Email author
  • Boualem Serier
    • 1
  • Belabbes Bachir Bouiadjra
    • 1
  • Benali Boutabout
    • 1
  1. 1.Department of Mechanical EngineeringUniversity of Sidi Bel AbbesSidi Bel AbbesAlgeria

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