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Microstructure – wear performance relationship of hypoeutectic 15% Cr-2% Mo white iron

  • Reham Reda , Adel A. Nofal , Khaled M. Ibrahim and Abdel-Hamid A. Hussien
Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 103 Issue 7

Abstract

This research studies the effect of dynamic solidification, niobium addition, and their combined action on the as-cast structure and mechanical properties of hypoeutectic 15% Cr-2% Mo white cast irons containing 2.5% C. The effect of heat treatment at different tempering temperatures was also studied. Investigations were performed by means of image analysis, scanning electron microscopy, and X-ray diffraction. Abrasion resistance and impact toughness tests were performed. Fracture and worn surfaces were studied. Results show that optimized abrasion resistance and impact toughness can be achieved in a homogeneous microstructure consisting of hard, fine, and non-interconnected carbides in a matrix that has a high fraction of metastable austenite.

Keywords: Hypoeutectic Cr–Mo white iron; Dynamic solidification; Abrasion resistance
* Correspondence address Assoc. Prof. Khaled M. Ibrahim CMRDI Manufacturing Technology Dept. P.O. Box 87 Helwan Cairo, Egypt Tel.: 0020105769514 Fax: 0020225010639 E-mail:

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Received: 2010-10-27
Accepted: 2012-1-8
Published Online: 2013-06-11
Published in Print: 2012-07-01

© 2012, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110704
Keywords for this article
Hypoeutectic Cr–Mo white iron; Dynamic solidification; Abrasion resistance

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Diffusivities and atomic mobilities in Cu-rich fcc Al–Cu–Mn alloys
  5. Phase transformations in non-isothermally annealed as-cast and cold-rolled AlMnScZr alloys
  6. High-temperature deformation behavior and thermal properties of an Ni30Co17Fe53 alloy
  7. Microstructural and mechanical properties of dual-phase steels welded using GMAW with solid and flux-cored welding wires
  8. Microstructure – wear performance relationship of hypoeutectic 15% Cr-2% Mo white iron
  9. The enhancement of wear properties of squeeze-cast A356 composites reinforced with B4C particulates
  10. Phase diagram of the Al–Dy–Zr ternary system at 773 K
  11. Calorimetric investigations of liquid gold–antimony–tin alloys
  12. Combustion synthesis and characterization of bulk nanostructured Ni50Al17Fe33 alloy
  13. Effect of sand blasting on structural, thermal, and mechanical properties of Zr58.3Cu18.8Al14.6Ni8.3 bulk metallic glass
  14. Studies of dynamic mass transfer at the slag–metal interface – Interfacial velocity measurements
  15. Structural and optical investigation of gadolinia-doped ceria powders prepared by polymer complex solution method
  16. Adsorption of bovine serum albumin onto titanium dioxide nanotube arrays
  17. CNT-based displacement sensor
  18. Non-covalent assembly of hybrid nanostructures of gold and palladium nanoparticles with carbon nanotubes
  19. Effect of solid content on performance of conductive silver paste for crystalline silicon solar cells
  20. Effect of inhomogeneous size and shape of graphite particles on the in-plane electrical conductivity of PP/G/CB composites
  21. The durability of fired brick incorporating textile factory waste ash and basaltic pumice
  22. DGM News
  23. DGM News
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