Tribological behavior of CrCoNiAlTiY coating synthesized by double-glow plasma surface alloying technique

2015 ◽  
Vol 92 ◽  
pp. 512-518 ◽  
Author(s):  
Zhongkai Qiu ◽  
Pingze Zhang ◽  
Dongbo Wei ◽  
Baozhang Duan ◽  
Peng Zhou
Keyword(s):  
Tribological Behavior ◽  
Surface Alloying ◽  
Plasma Surface ◽  
Glow Plasma ◽  
Plasma Surface Alloying Technique ◽  
Plasma Surface Alloying

A study on tribological behavior of double-glow plasma surface alloying W-Mo coating on gear steel

2015 ◽  
Vol 278 ◽  
pp. 92-98 ◽  
Author(s):  
Zhong-Kai Qiu ◽  
Ping-Ze Zhang ◽  
Dong-Bo Wei ◽  
Xiang-Fei Wei ◽  
Xiao-Hu Chen
Keyword(s):  
Tribological Behavior ◽  
Surface Alloying ◽  
Plasma Surface ◽  
Gear Steel ◽  
Glow Plasma ◽  
Plasma Surface Alloying

A study of nickel-based corrosion resisting alloy layer obtained by double glow plasma surface alloying technique

2000 ◽  
Vol 131 (1-3) ◽  
pp. 378-382 ◽  
Author(s):  
Xu Zhang ◽  
Xishan Xie ◽  
Zhongmin Yang ◽  
Jianxin Dong ◽  
Zhong Xu ◽  
...  
Keyword(s):  
Alloy Layer ◽  
Surface Alloying ◽  
Plasma Surface ◽  
Glow Plasma ◽  
Plasma Surface Alloying Technique ◽  
Plasma Surface Alloying

Oxidation Behavior of TiAl-Based Alloy Modified by Double-Glow Plasma Surface Alloying with Cr–Mo

2017 ◽  
Vol 36 (7) ◽  
pp. 669-675 ◽  
Author(s):  
Xiangfei Wei ◽  
Pingze Zhang ◽  
Qiong Wang ◽  
Dongbo Wei ◽  
Xiaohu Chen
Keyword(s):  
Oxide Scale ◽  
Energy Dispersive Spectrometer ◽  
Isothermal Oxidation ◽  
Alloyed Layer ◽  
Surface Alloying ◽  
Plasma Surface ◽  
Glow Plasma ◽  
Kinetics Of ◽  
Plasma Surface Alloying Technique ◽  
Plasma Surface Alloying

AbstractA Cr–Mo alloyed layer was prepared on a TiAl-based alloy using plasma surface alloying technique. The isothermal oxidation kinetics of the untreated and treated samples was examined at 850 °C. The microstructure and phase composition of the alloyed layer were analyzed by scanning electron microscope (SEM), energy dispersive spectrometer (EDS) and X-ray powder diffraction (XRD). The morphology and constituent of the oxide scales were also analyzed. The results indicated that the oxidation resistance of TiAl was improved significantly after the alloying treatment. The oxide scale eventually became a mixture of Al2O3, Cr2O3 and TiO2. The oxide scale was dense and integrated throughout the oxidation process. The improvement was mainly owing to the enhancing of scale adhesion and the preferential oxidation of aluminum brought by the alloying effect for TiAl-based alloy.

Study on Titanized Layer Microstructure of T10 Steel by Double Glow Plasma Surface Alloying Technique

2016 ◽  
Vol 861 ◽  
pp. 171-176
Author(s):  
Xiao Lu Hong ◽  
Chong Liang Cui ◽  
Ting Fu Sun ◽  
Xi Cheng Wei ◽  
Cheng Chang Ji
Keyword(s):  
Activation Energy ◽  
Sample Surface ◽  
Diffusion Activation Energy ◽  
Surface Alloying ◽  
Plasma Surface ◽  
The Matrix ◽  
Glow Plasma ◽  
Plasma Surface Alloying Technique ◽  
Plasma Surface Alloying ◽  
Diffusion Activation

The titanized layer was prepared on the surface of T10 steel using a double glow plasma surface alloying (DGPSA) technique. The titanized layer was characterized by SEM and scratch tester. Results showed that the TiC layer with a thickness of 1.5~8.5μm was formed on the sample surface at the range of 900°C to 1100°C for the holding time from 2h to 6h, which was homogeneous, dense, and metallurgically combined with the substrate. The Ti concentration gradually decreased from surface to the matrix. The diffusion activation energy of Ti during double glow plasma titanizing was also estimated.

Ni-based superalloy surface alloying by double-glow plasma surface alloying technique

Vacuum ◽  
2004 ◽  
Vol 72 (4) ◽  
pp. 489-500 ◽  
Author(s):  
Xu Jiang ◽  
Xu Zhang ◽  
Xishan Xie ◽  
Zhong Xu ◽  
Wenjin Liu
Keyword(s):  
Surface Alloying ◽  
Plasma Surface ◽  
Glow Plasma ◽  
Plasma Surface Alloying Technique ◽  
Plasma Surface Alloying

scholarly journals Microstructure and tribological behavior of W-Mo alloy coating on powder metallurgy gears based on double glow plasma surface alloying technology

2019 ◽  
Vol 55 (2) ◽  
pp. 227-234 ◽  
Author(s):  
D.-B. Wei ◽  
H.-X. Liang ◽  
S.-Q. Li ◽  
F.-K. Li ◽  
F. Ding ◽  
...  
Keyword(s):  
Wear Resistance ◽  
Powder Metallurgy ◽  
Tribological Behavior ◽  
Alloy Coating ◽  
Nanoindentation Test ◽  
Surface Alloying ◽  
Plasma Surface ◽  
Before And After ◽  
Glow Plasma ◽  
Plasma Surface Alloying

In the present paper, plasma surface alloying was implemented on powder metallurgy gears to improve its wear resistance based on double glow plasma surface metallurgy technology. A W-Mo alloy coating was obtained in the process. The morphology, microstructure and phase composition were investigated by SEM, EDS and XRD. The hardness was examined by Vickers hardness test and nanoindentation test. The tribological behavior of powder metallurgy gears before and after plasma surface alloying was evaluated on a ball-on-disc reciprocating sliding tribometer under dry sliding condition at room temperature. The results indicate that the W-Mo alloy coating is homogeneous without defects, which includes deposition layer and interdiffusion layer. The average microhardness of powder metallurgy gears before and after plasma surface alloying is 145.8 HV0.1 and 344.4 HV0.1, respectively; Nano hardness of deposition layer and interdiffusion layer is 5.76 GPa, 14.35 GPa, respectively. The specific wear rate of W-Mo alloy coating is lower than original PM gears. The wear mechanism of W-Mo alloy coating is slight adhesive wear. The W-Mo alloy coating prepared by double glow plasma surface alloying technology can effectively improve wear resistance of powder metallurgy gears.

Corrosion property of copperized layer on Zr formed by double glow plasma surface alloying technique

Rare Metals ◽  
2016 ◽  
Vol 35 (9) ◽  
pp. 711-717 ◽  
Author(s):  
Jian-Qing Wang ◽  
Hong-Bo Yang ◽  
Bing Zhang ◽  
Han-Long Lin ◽  
Bao Chen ◽  
...  
Keyword(s):  
Corrosion Property ◽  
Surface Alloying ◽  
Plasma Surface ◽  
Glow Plasma ◽  
Plasma Surface Alloying Technique ◽  
Plasma Surface Alloying
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