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Dry sliding wear behavior of TiNi alloy processed by equal channel angular extrusion
AbstractThis paper reports the wear behaviors of TiNi alloy processed by equal channel angular extrusion (ECAE) under dry sliding condition against GCr15 steel ring in ambient environment and at varying load and sliding distance. Worn surfaces of the deformed and annealed TiNi alloy are examined with a scanning electron microscope. It is found that the wear mass loss of the deformed and annealed TiNi alloy is one order of magnitude, which is lower than that of as-received TiNi alloy. The wear mass loss of the deformed and annealed TiNi alloy increases with the applied load and sliding distance. The wear mechanism of the deformed and annealed TiNi alloy is dominated by micro-ploughing and delamination. These results demonstrate that fine-grained structures, fabricated by ECAE, improve the wear resistance. In addition, the phase transformation temperature lag also contributes to improve the wear resistance.
Dry sliding wear behavior of TiNi alloy processed by equal channel angular extrusion
AbstractThis paper reports the wear behaviors of TiNi alloy processed by equal channel angular extrusion (ECAE) under dry sliding condition against GCr15 steel ring in ambient environment and at varying load and sliding distance. Worn surfaces of the deformed and annealed TiNi alloy are examined with a scanning electron microscope. It is found that the wear mass loss of the deformed and annealed TiNi alloy is one order of magnitude, which is lower than that of as-received TiNi alloy. The wear mass loss of the deformed and annealed TiNi alloy increases with the applied load and sliding distance. The wear mechanism of the deformed and annealed TiNi alloy is dominated by micro-ploughing and delamination. These results demonstrate that fine-grained structures, fabricated by ECAE, improve the wear resistance. In addition, the phase transformation temperature lag also contributes to improve the wear resistance.
Dry sliding wear behavior of TiNi alloy processed by equal channel angular extrusion
Cheng, Xianhua (author) / Li, Zhenhua (author) / Xiang, Guoquan (author)
2006-06-15
6 pages
Article (Journal)
Electronic Resource
English
Dry sliding wear behavior of TiNi alloy processed by equal channel angular extrusion
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