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Effect of molybdenum addition on fracture toughness and hardness of Fe2B in Fe–B–C cast alloy

  • Zhifu Huang , Jiandong Xing and Xiang Tao
Published/Copyright: May 31, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 103 Issue 12

Abstract

The effect of molybdenum addition on the fracture toughness and micro-hardness of Fe2B in Fe-B-C alloy was investigated. The results indicate that, with the increase in molybdenum addition, the micro-hardness of Fe2B increases and its fracture toughness first increases and then decreases. Compared with the fracture toughness (3.8 MPa · m1/2) of Fe2B without molybdenum addition, its toughness at 2.14 wt.% molybdenum addition can be nearly doubled, achieving 7.4 MPa · m1/2. The wear result indicates that increasing the toughness of Fe2B may distinctly improve the wear resistance of Fe-B-C alloy and the wear resistance is improved by around 35% in this experimental condition.

Keywords: Fe-B-C alloy; Fe2B; Molybdenum; Fracture toughness; Hardness
* Correspondence address, Dr. Huang Zhifu, School of Materials Science and Engineering, Xi'an Jiaotong University, 28 Xianning West Road, Xi'an, Shanxi Province 710049P.R. China. Tel.: +862982665479, Fax: +862982665479, E-mail:

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Received: 2012-1-9
Accepted: 2012-6-26
Published Online: 2013-05-31
Published in Print: 2012-12-01

© 2012, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110826
Keywords for this article
Fe-B-C alloy; Fe2B; Molybdenum; Fracture toughness; Hardness

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Effect of texture on grain growth in an interstitial-free steel sheet
  5. Nanoindentation of pseudoelastic NiTi containing Ni4Ti3 precipitates
  6. Isochronal annealing of a deformed Fe-7.5 mass.% Si-steel
  7. Modelling of three powder compaction laws for cold die pressing
  8. Surface tension and density of liquid Sn–Ag–Cu alloys
  9. Thermodynamics of liquid Au–Sb–Sn
  10. Phase relations in the ZrO2-Sm2O3-Y2O3-Al2O3 system: experimental investigation and thermodynamic modelling
  11. Contributions of phase composition and defect structure to the long term stability of Li/MgO catalysts
  12. First and second differentials of the ultrasonic parameter as an effective tool to identify phase transitions in R1-xAxMnO3 perovskites
  13. Surface oxide layer formation on Au-Pt-Pd-Si alloys for dental resin restorations
  14. On the high temperature stability of γ-Al2O3/Ti0.33Al0.67N coated WC–Co cutting inserts
  15. Optimizing composition for (Nd, Pr)–Nb–Fe–B hard magnetic nanocomposites
  16. Simple ionic-liquid assisted method for preparation of Cd1-xZnxS nanoparticles with improved photocatalytic activity
  17. A low-cost route for synthesizing tungsten disulfide film composites from abundant sprayed oxides: Technique and characterization
  18. Anodic behavior of Al–Zn–In sacrificial anodes at different concentration of zinc and indium
  19. Short Communications
  20. Effect of molybdenum addition on fracture toughness and hardness of Fe2B in Fe–B–C cast alloy
  21. DGM News
  22. DGM News
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