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Title of Journal: Tribol Lett

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Abbravation: Tribology Letters

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Publisher

Springer US

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DOI

10.1007/bf01113338

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ISSN

1573-2711

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In Situ NbC ParticulateReinforced Iron Matrix Com

Authors: Lisheng Zhong Yunhua Xu Fangxia Ye
Publish Date: 2012/05/27
Volume: 47, Issue: 2, Pages: 253-259
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Abstract

An niobium carbide NbC particlereinforced iron matrix composite was fabricated by compounding gray cast iron with niobium wires through an in situ technique comprised of an infiltration casting process and a subsequent heat treatment The NbC particles in the reinforcement phase were synthesized in situ through the reaction between niobium from niobium wires and carbon from the graphite phases produced by the heat treatment in gray cast iron The microstructure and wearresistance of the bulk niobium particlereinforced iron matrix composite was studied at different NbC particle volume fractions 8 15 22 and 28 vol by scanning electron microscope Xray diffraction and a wear tester The NbC particles were observed to form tiny cuboids and nearly spherical particles which were evenly distributed in the matrix The particle size of the NbC reinforcement was about 03–35 μm The relative wear resistance of the bulk composite increased with increasing NbC volume fraction and the wear resistance of the composite was 59fold higher than that of the gray cast iron under a 20N load and at a 28 vol volume fraction Wear performance of the composite at different NbC particle volume fraction values was also analyzed


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  1. A Film Thickness Correction Formula for Double-Newtonian Shear-Thinning in Rolling EHL Circular Contacts
  2. An investigation into friction behaviour of dispersion-strengthened copper under severe railway braking conditions
  3. The Role of Ferric Oxide Nanoparticles in Improving Lubricity and Tribo-Electrochemical Performance During Chemical–Mechanical Polishing
  4. Influence of Post-treatment on the Microstructural and Tribomechanical Properties of Suspension Thermally Sprayed WC–12 wt%Co Nanocomposite Coatings
  5. Lateral Vibration Analysis of Flexible Shafts Supported on Elliptical Journal Bearings
  6. Influence of Friction on Surface Asperity Flattening Process in Cold Uniaxial Planar Compression (CUPC)
  7. Effect of Surface Roughening of Substrate Steel on the Improvement of Delamination Strength and Tribological Behavior of Hydrogenated Amorphous Carbon Coating Under Lubricated Conditions
  8. Transmission Electron Microscopy Analysis of Mo–W–S–Se Film Sliding Contact Obtained by Using Focused Ion Beam Microscope and In Situ Microtribometer
  9. Effect of Chromium on Oxidation in Wear of Surface Nanocrystalline Martensite Steel
  10. Design of a New Tribometer for Tribological and Viscoelasticity Studies of PTFE Valve Seats
  11. Tribochemistry of Bulk Zinc Metaphosphate Glasses
  12. Simulation of Hydrocarbon Oil Contamination at the Head–Disk Interface Using Molecular Dynamics
  13. Impact Abrasive Wear Response of Carbon/Carbon Composites at Elevated Temperatures
  14. Analyzing Periodic Signals in Rotating Pin-on-Disc Tribotest Measurements Using Discrete Fourier Transform Algorithm
  15. Frictional Voltammetry with Copper
  16. Polymer-Brush Lubrication in Oil: Sliding Beyond the Stribeck Curve
  17. Explanation for the mechanical strength of amyloid fibrils
  18. Experimental investigation of frictional and viscoelastic properties of intestine for microendoscope application
  19. The Role of Functional End Groups of Perfluoropolyether (Z-dol and Z-03) Lubricants in Augmenting the Tribology of SU-8 Composites
  20. Dissipation of Vibration in Rough Contact
  21. Movement of Entrapped Oil Under Pure Rolling Conditions
  22. Study on Surface Asperity Flattening in Cold Quasi-Static Uniaxial Planar Compression by Crystal Plasticity Finite Element Method
  23. High-Temperature Friction and Wear of Ag/h-BN-Containing Ni-based Composites Against Steel

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