Influence of Matrix Structure and Hard Carbide on Abrasive Resistance of Steel Plates

Abstract:

The microstructure of abrasion resistant steel plate usually consists of as quenched martensite, because harder matrix structure improves abrasion resistance of a steel plate. However hard martensitic material has lower formability, which is the important material property for fabricating machine parts. In this paper, a new type of abrasion resistant technique for steel plate is introduced. The steel provides good combination of high abrasion resistance and excellent formability without increasing hardness. The key technology to balance abrasion resistance and formability is the microstructural control of the ferritic matrix structure with dispersed extremely hard carbide particles. Basic research of abrasion mechanism revealed that abrasion resistance is strongly affected by the kind of carbides and the dispersed condition.

• Periodical: Materials Science Forum (Volumes 706-709)
• Pages: 2342-2347
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.706-709.2342
• Online since: January 2012
• Authors: Keiji Ueda, Nobuyuki Ishikawa, Yasuhiro Murota
• Keywords: Abrasive Wear, Carbide, Ferrite-Pearlite, Formability, Plastic Deformation

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