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Abrasion wear behavior of a forged and unforged Fe-B alloy

  • Sude Ma , Jianjun Zhang and Shengqiang Ma
Published/Copyright: January 14, 2016
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Materials Testing
From the journal Materials Testing Volume 58 Issue 2

Abstract

Fe-B alloys exhibit continuous networks of eutectic borides, which destroy the continuity of matrix and result in the brittleness of the material. In order to improve its toughness, Fe-B alloy was treated by hot forging process in this study. Three-body abrasion wear behaviors of forged and unforged Fe-B alloy under three different abrasive (SiC, garnet and quartz sand) and applied load conditions were studied. Wear mechanisms were investigated by using scanning electron microscope (SEM) and 3D laser scanning microscope (LSM). The result shows that under three-body abrasion condition, Fe-B alloy exhibits excellent wear resistance. The wear resistance of forged samples is higher than that of unforged samples on the three different kinds of abrasive. A correlation between the hardness of the abrasive, movement patterns of abrasive particles and applied load was found. The movement patterns of quartz sand are sliding between the contacting surfaces under the load of 3 kg. In the wear process of Fe-B alloy, sliding/cutting is the dominant removal mechanism in the case of quartz sand abrasive and rolling is the dominant removal mechanism in the case of garnet abrasive during three-body abrasion under the load of 3 kg. When Fe-B alloys are tested under the load of 1, 3 and 5 kg, it is found that load can change the movement patterns of abrasive particles. With increasing load, the movement patterns of abrasive particles are changed from rolling to sliding mechanism. Our investigations reveal that the three-body abrasive wear mechanism of forged and unforged Fe-B alloy depends on material/abrasive hardness ratio and applied load.

Kurzfassung

Fe-B-Legierungen weisen kontinuierliche Netzwerke aus eutektischen Boriden auf, die die Kontinuität der Matrix zerstören und somit die Sprödigkeit der Werkstoffe verursachen. Um die Zähigkeit zu verbessern, wurde eine Fe-B-Legierung mittels eines Warmschmiedeprozesses behandelt. Es wurde das Dreikörper-Abrasivverschleißverhalten einer Fe-B-Legierung im geschmiedeten und ungeschmiedeten Zustand unter drei verschiedenen Abrasivstoffen (SiC, Granat und Quarzsand) untersucht. Es wurden die Verschleißmechanismen mittels eines Rasterelektronenmikroskops und eines 3D-Laserscanmikroskops untersucht. Die Ergebnisse zeigen, dass die Fe-B-Legierung unter dreidimensionalen Verschleißbedingungen einen exzellenten Verschleißwiderstand aufweist. Der Verschleißwiderstand der geschmiedeten Proben ist höher als der der ungeschmiedeten Proben für die drei Arten von Abrasivstoffen. Es wurde eine Korrelation zwischen der Härte des Abrasivstoffes, den Bewegungsmustern der Abrasivpartikel und der aufgebrachten Last gefunden. Die Bewegungsmuster von Quarzsand treten beim Schleifen zwischen den Kontaktflächen bei einer Last von 3 kg auf. Im dreidimensionalen Verschleißprozess der Fe-B-Legierung unter einer Last von 3 kg ist Schleifen/Schneiden der dominante Abtragsmechanismus im Fall der Verwendung von Quarzsand und Rollverfrachtung ist der dominante Abtragsmechanismus im Fall der Verwendung von Granat. Es wurde herausgefunden, dass, wenn die Fe-B-Legierung unter der Last von 1, 3 und 5 kg geprüft wird, die Last die Bewegungsmuster der Abrasivpartikel verändern kann. Mit zunehmender Last werden die Bewegungsmuster der Abrasivpartikel von Rollverfrachtung zu Schleifen verändert. Diese Untersuchungen ergeben, dass der Dreikörper-Abrasivverschleißmechanismus der geschmiedeten und der ungeschmiedeten Fe-B-Legierung vom Verhältnis der Härte zwischen dem Werkstoff und dem Abrasiv sowie der aufgebrachten Last abhängt.

§Correspondence Address, Sude Ma, Xihua University, Center for Advanced Materials and Energy, Chengdu, Sichuan Province, 610039, P.R. China. E-mail: ,

Dr. Sude Ma is Associate Professor of Materials Science and Engineering at the Center for Advanced Materials and Energies, Xihua University, China, with expertise in dielectric and functional materials. He received his master (2003) and PhD (2006) degrees from Xi'an Jiaotong University, China, and conducted postdoctoral research at Tsinghua University, China from 2008 to 2010. He joined Xihua University in 2011.

Dr. Jianjun Zhang is Associate Professor of Materials Science and Engineering at the School of Materials Science and Engineering, Xihua University, China, with expertise in wear resistant materials. He received his PhD (2011) degree from Xi'an Jiaotong University, China. He joined Xihua University in 2012.

Dr. Shengqiang Ma is a lecturer of materials science and engineering at the School of Materials Science and Engineering, Xi'an Jiaotong University, China, with expertise in wear resistant materials. He received his PhD (2012) degree from Xi'an Jiaotong University. He joined Xi'an Jiaotong University in 2012.

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Published Online: 2016-01-14
Published in Print: 2016-02-02

© 2016, Carl Hanser Verlag, München

Articles in the same Issue

  1. Inhalt/Contents
  2. Contents
  3. Fachbeiträge/Technical Contributions
  4. Ultrasonic fatigue testing in the scanning electron microscope
  5. Fracture behavior of various welded steels
  6. Test procedure for fatigue investigations regarding structured sheet metal joints
  7. Mechanical properties of hypoeutectic Al-Ni alloys with Al3Ni intermetallics
  8. Quantitative Untersuchung der Streubeiträge in Hochenergie-Röntgencomputertomografie
  9. Abrasion wear behavior of a forged and unforged Fe-B alloy
  10. Mechanical and fracture behavior of B4C reinforced Al composites produced by hot pressing
  11. Fracturing and adhesion behavior of hydroxyapatite formed by a citric acid and sodium citrate buffer system
  12. Effect of hot dip galvanized coating on the corrosion resistance of the external surface of reinforcement steel
  13. Enhanced surface properties of iron by in situ hard nickel coating
  14. Optimization of dye removal by activated carbon prepared from sawdust
  15. Fabrication of nano-sized copper powders in liquid media via high-energy electrical explosion method: Use of high purity copper recovered from waste jelly-filled cable as raw material
https://doi.org/10.3139/120.110834

Articles in the same Issue

  1. Inhalt/Contents
  2. Contents
  3. Fachbeiträge/Technical Contributions
  4. Ultrasonic fatigue testing in the scanning electron microscope
  5. Fracture behavior of various welded steels
  6. Test procedure for fatigue investigations regarding structured sheet metal joints
  7. Mechanical properties of hypoeutectic Al-Ni alloys with Al3Ni intermetallics
  8. Quantitative Untersuchung der Streubeiträge in Hochenergie-Röntgencomputertomografie
  9. Abrasion wear behavior of a forged and unforged Fe-B alloy
  10. Mechanical and fracture behavior of B4C reinforced Al composites produced by hot pressing
  11. Fracturing and adhesion behavior of hydroxyapatite formed by a citric acid and sodium citrate buffer system
  12. Effect of hot dip galvanized coating on the corrosion resistance of the external surface of reinforcement steel
  13. Enhanced surface properties of iron by in situ hard nickel coating
  14. Optimization of dye removal by activated carbon prepared from sawdust
  15. Fabrication of nano-sized copper powders in liquid media via high-energy electrical explosion method: Use of high purity copper recovered from waste jelly-filled cable as raw material
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