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Browsing Department of Mechanical Engineering by Author "Xu, J."

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Corrosion, oxidation and high-temperature tribological properties of Ti–B–N coatings

Asempah, I.; Yu, L.; Ju, H.; Yu, D.; Xu, J.; Miao, R. (Surface Engineering, 2019)

Ti–B–N (nc-TiN/ a-BN) composite coatings with various boron contents were deposited by magnetron sputtering. nano-indentation, ball-on-disc dry sliding X-ray diffraction, and, Raman spectroscopy was used in evaluating the ...
Crystal structure and high temperature tribological behavior of niobium aluminum nitride films.

Ju, H.; Jia, P.; Xu, J.; Yu, L.; Asempah, I.; Geng, Y. (Materialia, 2018)

Niobium aluminum nitride (Nbsingle bondAlsingle bondN) films with various aluminum content were deposited using a reactive magnetron system and the film with 22.3 at% aluminum exhibiting the highest hardness, lowest wear ...
Crystal structure and the improvement of the mechanical and tribological properties of tungsten nitride films by addition of titanium.

Ju, H.; Ding, N.; Xu, J.; Yu, L.; Asempah, I.; Xu, J.; Ma, B. (Surface and Coatings Technology, 2018)

Tungsten titanium nitride films were synthesized by the reactive magnetron sputtering system and the influence of titanium content on the crystal structure, mechanical and tribological properties of the films were investigated. ...
Effect of boron concentration on the mechanical, tribological and corrosion properties of Ta–B–N films by reactive magnetron sputtering

Asempah, I.; Xu, J.; Yu, L.; Wang, L. (Ceramics International, 2019)

A practical design approach in improving the mechanical and corrosion characteristics of nitride-based films is by the synthesis of nanocomposites, and we have fabricated tantalum boron nitride (Ta–B–N) nanocomposite films ...
The enhancement of fracture toughness and tribological properties of the titanium nitride films by doping yttrium.

Ju, H.; Yu, L.; He, S.; Asempah, I.; Xu, J.; Hou, Y. (Surface and Coatings Technology, 2017)

In this paper, yttrium was incorporated into titanium nitride matrix to deposit Tisingle bondYsingle bondOsingle bondN films using a reactive magnetron sputtering system and the microstructure, mechanical and tribological ...
The improvement of oxidation resistance, mechanical and tribological properties of W2N films by doping silicon

Ju, H.; He, S.; Yu, L.; Asempah, I.; Xu, J. (Surface and Coatings Technology, 2017)

W-Si-N composite films were deposited on both stainless steel and silicon wafers using a reactive magnetron system. The silicon content of the film was varied to evaluate the effect of silicon on films' elemental composition, ...
Influence of Ag content on microstructure, mechanical and tribological properties of WNbN-Ag composite films.

Yu, L.; Lin, Y.; Ju, H.; Geng, Y.; Asempah, I.; Xu, J. (Protection of Metals and Physical Chemistry of Surfaces, 2018)

A series of TaVN–Ag nanocomposite films were deposited using a radio-frequency magnetron sputtering system. The microstructure, mechanical properties, and tribological performance of the films were investigated. The results ...
Influence of V content on properties of Ti–W–V–N films

He, S.; Yu, L.; Ju, H.; Geng, Y.; Asempah, I.; Xu, J. (Surface Engineering, 2019)

Ti–W–V–N composite films with different vanadium contents were synthesised by multi-target reactive magnetron sputtering. The microstructure, mechanical and tribological properties of Ti–W–V–N films were investigated by ...
Microstructure, mechanical and tribological properties of magnetron sputtered Ti-BN films.

Asempah, I.; Xu, J.; Yu, L.; Ju, H.; Wu, F.; Luo, H. (Surface Engineering, 2019)

Titanium boron nitride (Ti-B-N) films with various boron contents were deposited using titanium and boron targets in a reactive magnetron sputtering system. The boron content in the film was varied from 0 at.-% to 8.7 at.-%, ...
Microstructure, mechanical and tribological properties of TiN-Ag films deposited by reactive magnetron sputtering

Ju, H.; Yu, L.; Yu, D.; Asempah, I.; Xu, J. (Vacuum, 2017)

Composite TiN-Ag films with various Ag content (Ag/(Ti + Ag)) were deposited using reactive magnetron sputtering and the influence of Ag content on the crystal structure, mechanical and tribological properties were ...
Microstructure, mechanical and tribological properties of VCN-Ag composite films by reactive magnetron sputtering

Yu, D.; Yu, L.; Asempah, I.; Ju, H.; Xu, J.; Koyama, S.; Gao, Y. (Elsevier B.V., 2020)

A series of VCN-Ag films with different Ag content were deposited by the magnetron sputtering system. The microstructure, mechanical and tribological properties of VCN-Ag films were characterized by X-ray diffractometer ...
The role of copper incorporation on the microstructure, mechanical and tribological properties of TiBN-Cu films by reactive magnetron sputtering.

Asempah, I.; Xu, J.; Yu, L.; Luo, H.; Liu, J.; Yu, D.; Ding, N. (Journal of Alloys and Compounds, 2019)

An experimental study was conducted on a series of Ti-B-N-Cu films via magnetron sputtering of titanium, boron and copper targets. This study aims at assessing the microstructure, mechanical and tribological properties of ...
SERS-signal optimised AgNPs-plated-ZnO nanoflower-like structure synthesised for sensing applications

Jiao, T.; Kutsanedzie, F. Y.; Xu, J.; Viswadevarayalu, A.; Hassan, M. M.; Li, H.; Chen, Q. (Physics Letters A, 2019)

AgNPs-plated-ZnO nanoflower (NFs)-like structures (Ag@ZnO NFs) with optimised signals were synthesised via wet chemical method at different temperatures (50–80 °C). The enhancement factors (EFs) computed for the resultant ...
Structural, mechanical and tribological properties of NbCN-Ag nanocomposite films deposited by reactive magnetron sputtering.

Wu, F.; Yu, L.; Ju, H.; Asempah, I.; Xu, J. (Coatings,, 2018)

spectroscopy (EDS), X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), high resolution transmission electron microscopy (HRTEM), Raman spectrometry, nano-indentation, and high-temperature sliding ...
Viswadevarayalu, A. (2019). Fast sensing of imidacloprid residue in tea using surface-enhanced Raman scattering by comparative multivariate calibration

Chen, Q.; Hassan, M. M.; Xu, J.; Zareef, M.; Li, H.; Xu, Y.; Kutsanedzie, F. Y.; Viswadevarayalu, A. (Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2019)

This study focused on the fabrication of a rapid, highly sensitive and inexpensive technique for the quantification of imidacloprid residue in green tea, based on surface-enhanced Raman scattering (SERS) using highly ...

Browsing Department of Mechanical Engineering by Author "Xu, J."

Browsing Department of Mechanical Engineering by Author "Xu, J."

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