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题名: Ti6Al4V Blade Wear Behavior During High-Speed Rubbing with NiAl-hBN Abradable Seal Coating
作者: Xue, Weihai;  Gao, Siyang;  Duan, Deli;  Zhang, Jiaping;  Liu, Yang;  Li, Shu
发表日期: 2017-2-1
摘要: The high-speed rubbing wear behavior between a Ti6Al4V blade and a NiAl-hBN seal coating was studied with a high-speed rub test rig. Blade wear behavior, which had not received enough attentions, was the key concern of this study. The rub tests conducted at different linear speeds and single-pass depths indicated that although wear distance was constant and rub forces decreased at high linear speed, blade wear increased with the increment of linear speed when single-pass depth was invariable. According to scanning electron microscopy, x-ray diffraction, electron probe microanalysis and microhardness analyses of the wear scars, different blade and coating wear mechanisms were observed when rubbed at different linear speeds. Remarkably, when rubbing was done at high linear speed, there was severe blade oxidation with the generation of oxidation layer full of cracks and high-hardness transfer layer in the coating wear scar, and these were identified as reasons of aggravated blade wear.
Appears in Collections:中国科学院金属研究所_期刊论文

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Recommended Citation:
Xue, Weihai,Gao, Siyang,Duan, Deli,et al. Ti6al4v Blade Wear Behavior During High-speed Rubbing With Nial-hbn Abradable Seal Coating[J]. Journal Of Thermal Spray Technology,2017,26(3):539-553.

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