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Study on the High-Speed Rubbing Wear Behavior Between Ti6Al4V Blade and Nickel-Graphite Abradable Seal Coating
Xue, Weihai; Gao, Siyang; Duan, Deli; Wang, Lu; Liu, Yang; Li, Shu; Duan, DL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2017-03-01
发表期刊JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME
ISSN0742-4787
卷号139期号:2页码:-
摘要The wear behavior of Ti6Al4V blade rubbed against nickel-graphite (Ni-G) abradable seal coating was studied with a high-speed rub test rig. According to the test results acquired at different incursion per passes and linear speeds, blade wear increased with the increment of linear speed at a fixed incursion per pass. With incursion per pass increasing, blade wear increased when linear speed was fixed at 30 m/s, while decreased at 90 and 150 m/s. Referring to the macromorphology observation, scanning electron microscopy (SEM) and dispersive X-ray spectroscopy analyses of the wear scars, rubbing at 30 m/s, microcutting and microploughing with coating adhesion was the main blade wear mechanism while spalling accompanied by densification was the main coating wear mechanism. Rubbing at 90 and 150 m/s, plastic deformation was the main blade wear mechanism while transfer mixed layer that resulted from blade transferred was identified as the main coating wear mechanism. Quantitative analysis of coating densification and microhardness detection of the transfer mixed layer indicated that high coating densification made great contribution to low blade wear at 30 m/s and aggravated blade wear at high linear speed was due to the high frictional heat and the resultant high-hardness transfer mixed layer. It could therefore be concluded that high linear speed guarantees enough frictional heat output while low incursion per pass is responsible for the accumulation of frictional heat.; The wear behavior of Ti6Al4V blade rubbed against nickel-graphite (Ni-G) abradable seal coating was studied with a high-speed rub test rig. According to the test results acquired at different incursion per passes and linear speeds, blade wear increased with the increment of linear speed at a fixed incursion per pass. With incursion per pass increasing, blade wear increased when linear speed was fixed at 30 m/s, while decreased at 90 and 150 m/s. Referring to the macromorphology observation, scanning electron microscopy (SEM) and dispersive X-ray spectroscopy analyses of the wear scars, rubbing at 30 m/s, microcutting and microploughing with coating adhesion was the main blade wear mechanism while spalling accompanied by densification was the main coating wear mechanism. Rubbing at 90 and 150 m/s, plastic deformation was the main blade wear mechanism while transfer mixed layer that resulted from blade transferred was identified as the main coating wear mechanism. Quantitative analysis of coating densification and microhardness detection of the transfer mixed layer indicated that high coating densification made great contribution to low blade wear at 30 m/s and aggravated blade wear at high linear speed was due to the high frictional heat and the resultant high-hardness transfer mixed layer. It could therefore be concluded that high linear speed guarantees enough frictional heat output while low incursion per pass is responsible for the accumulation of frictional heat.
部门归属[xue, weihai ; gao, siyang ; duan, deli ; liu, yang ; li, shu] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [wang, lu] liming aero engine grp corp, shenyang 110016, liaoning, peoples r china
关键词Abradable Seals Coatings High-speed Wear
学科领域Engineering, Mechanical
资助者National Natural Science Foundation of China [50675215]; Tribology Science Fund of State Key Laboratory of Tribology [SKLTKF15B09]; Innovation Foundation of China Aviation Industry Corp. [2010E41018]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78265
专题中国科学院金属研究所
通讯作者Duan, DL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Xue, Weihai,Gao, Siyang,Duan, Deli,et al. Study on the High-Speed Rubbing Wear Behavior Between Ti6Al4V Blade and Nickel-Graphite Abradable Seal Coating[J]. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME,2017,139(2):-.
APA Xue, Weihai.,Gao, Siyang.,Duan, Deli.,Wang, Lu.,Liu, Yang.,...&Duan, DL .(2017).Study on the High-Speed Rubbing Wear Behavior Between Ti6Al4V Blade and Nickel-Graphite Abradable Seal Coating.JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME,139(2),-.
MLA Xue, Weihai,et al."Study on the High-Speed Rubbing Wear Behavior Between Ti6Al4V Blade and Nickel-Graphite Abradable Seal Coating".JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME 139.2(2017):-.
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