Effect of Counterface Materials on Friction and Wear Behavior of Double Glow Glasma Discharge Surface Alloying on Ti22Al25Nb Alloy

武汉理工大学学报-材料科学版(英文版), 2009, 24(1): 106-110. doi: 10.1007/s11595-009-1106-8

^1, , ^2, , ^3,

1.College of Math and Physics,Nanjing University of Information Science and Technology,Nanjing 210044,China

2.College of Material and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

3.College of Material and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

基金项目: the Natural Science Foundation of Jiangsu Province China(BK2005128) the Scientific Research Foundation of Nanjing University of Information and Technology

Effect of Counterface Materials on Friction and Wear Behavior of Double Glow Glasma Discharge Surface Alloying on Ti22Al25Nb Alloy

WU Hongyan ^1, , ZHANG Pingze ^2, , XU Zhong ^3,

1.College of Math and Physics,Nanjing University of Information Science and Technology,Nanjing 210044,China

2.College of Material and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

3.College of Material and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

Keywords： XPS analysis

Samples of surface chromising layer were prepared by the double glow plasma discharge technique. X-ray diffraction and X-ray photoelectron spectroscopy(XPS) analysis of dif-ferent elements confirmed the formation of chrome in the layer. Their tribological properties were investigated by pin-on-disk tribometer. Silicon nitride, GCr15, and nickel-based alloy were selected as counterface materials. Results indicated that the lowest friction coefficients and wear rate were ob-tained when substrate and chromising layer against nickel-based alloy, and tribological properties of chromising layer were better than those of substrate. The highest friction and wear rate were samples against silicon nitride alloys. In the case of three rubbing pairs, the unchangeable materials against different hardness counterfaces leaded to different wear mechanisms. Samples against silicon nitride exhibited abrasive mechanism, and when GCr15 and nickel-based alloy were used as counterface,transfer film and glaze layer formed on the contact surface, which played the main role in decreasing friction and wear.

参考文献

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材料期刊网

Effect of Counterface Materials on Friction and Wear Behavior of Double Glow Glasma Discharge Surface Alloying on Ti22Al25Nb Alloy

参考文献