scholarly journals Effect of Ni/MoS2 Addition on Microstructure and Properties of Supersonic Plasma-Sprayed Ni-Based Composite Coatings

2021 ◽  
Author(s):  
Xinsheng WANG ◽  
Wenbin HE ◽  
Junjian HOU ◽  
Kun LIU ◽  
Xihao YAN
Keyword(s):  
Friction And Wear ◽  
Composite Coatings ◽  
Tool Material ◽  
Friction Reduction ◽  
Fatigue Performance ◽  
Fatigue Properties ◽  
Wear Properties ◽  
Wear Performance ◽  
Supersonic Plasma ◽  
Plasma Sprayed

Abnormal tool wear is a significant problem encountered in machining. MoS2 has the function of friction reduction; thus, to mitigate friction, two Ni-based coatings, Ni60 and Ni60 + 15 wt.% Ni/MoS2, were obtained on tungsten steel using supersonic plasma technology. The microstructure, phase structure, microhardness, fatigue properties, and friction and wear properties of the two coatings were characterized. The results show that the two plasma-sprayed Ni-based coatings have desirable structures. The addition of Ni-coated MoS2 can effectively improve the hardness of the coatings, with values reaching as high as 735 HV. The speed of rotation of the friction ball was set as 200 r/min, and the cutting force was 201.6 N. The fatigue performance as well as the friction and wear performance of the coating are simulated using ANSYS. The fatigue performance is improved by 12.6 % after adding 15 wt.% Ni/MoS2, and the friction system of the coating becomes stable after 25 min of contact. The addition of 15 wt.% Ni/MoS2 can effectively improve the performance of the tool material.

Study on Friction and Wear Performance of Plasma-Sprayed Metal Oxide Ceramic Coatings

2013 ◽  
Vol 312 ◽  
pp. 415-420
Author(s):  
Zi Yuan Shi ◽  
Guang Li ◽  
Ji Fei Cai
Keyword(s):  
Metal Oxide ◽  
Friction And Wear ◽  
Composite Coatings ◽  
Wear Test ◽  
Ceramic Coatings ◽  
Oxide Ceramic ◽  
Fatigue Wear ◽  
Wear Performance ◽  
Oxide Ceramic Coatings ◽  
Plasma Sprayed

Paper transferring gripper is a key part of printer. In this work, plasma spray technology was adopted for the coating of 5 different metal oxide ceramic layers on metallic substrate. The friction and wear performance of different plasma-sprayed metal oxide ceramic coating on the gripper surface were comparatively studied by friction and wear test. Results suggested that compared to 100% Al2O3 and 100% Cr2O3 ceramic coatings, Al2O3/Cr2O3 composite coatings had a higher friction coefficient and wear amount. Abrasive wear was the dominant wear mechanism for Al2O3/Cr2O3 composite coatings, while fatigue wear was dominant for 100% Al2O3 and 100%Cr2O3 ceramic coatings.

Evaluation of Slurry Erosive Wear Performance of Plasma-Sprayed Flyash-TiO2 Composite Coatings

2021 ◽  
Vol 7 (3) ◽  
Author(s):  
R. Keshavamurthy ◽  
B. E. Naveena ◽  
C. S. Ramesh ◽  
M. R. Haseebuddin
Keyword(s):  
Composite Coatings ◽  
Erosive Wear ◽  
Wear Performance ◽  
Plasma Sprayed

The friction and wear performance of plasma-sprayed ceramic coatings at high temperature

Wear ◽  
1989 ◽  
Vol 129 (2) ◽  
pp. 223-234 ◽  
Author(s):  
Yinglong Wang ◽  
Yuansheng Jin ◽  
Shizhu Wen
Keyword(s):  
High Temperature ◽  
Friction And Wear ◽  
Ceramic Coatings ◽  
Wear Performance ◽  
Plasma Sprayed

High temperature friction and wear properties of graphene oxide/polytetrafluoroethylene composite coatings deposited on stainless steel

RSC Advances ◽  
2016 ◽  
Vol 6 (7) ◽  
pp. 5977-5987 ◽  
Author(s):  
N. Nemati ◽  
M. Emamy ◽  
S. Yau ◽  
J.-K. Kim ◽  
D.-E. Kim
Keyword(s):  
Stainless Steel ◽  
Graphene Oxide ◽  
Friction And Wear ◽  
Solid Lubricant ◽  
Composite Coatings ◽  
Friction Material ◽  
Wear Properties ◽  
Low Friction ◽  
Solid Lubricant Coating ◽  
Friction And Wear Properties

Polytetrafluoroethylene (PTFE) coating is known as a low friction material that is often used as a solid lubricant coating.

Wear Performance of the Plasma Sprayed Fine WC-Co Composite Powders Coatings

2012 ◽  
Vol 454 ◽  
pp. 144-147
Author(s):  
Lian Wei Yang ◽  
Jin Hui Li ◽  
Yun Dong ◽  
Xiao Ping Lin
Keyword(s):  
Wear Resistance ◽  
Brittle Fracture ◽  
Composite Coating ◽  
Plasma Spraying ◽  
Composite Coatings ◽  
Composite Powders ◽  
Wear Performance ◽  
Wear And Friction ◽  
Plasma Sprayed ◽  
Increasing Load

WC/Co; Composite coating; Plasma spraying; Friction and wear Abstract: WC- Co composite powders were synthesized by direct mechanical grinding in a rotary-vibration mill under 8h, and then analyzed by SEM and XRD. WC and WC/Co composite coatings were prepared by supersonic plasma spraying fine WC-Co composite powders. The wear and friction properties of both coatings were evaluated. The results showed that the wear resistance of the WC/Co composite coating was superior to that of the WC coating. The improvement in wear resistance of the WC/Co composite coating was attributed to its higher fracture toughness and adhesion strength as well as better thermal diffusivity. As for the WC/Co composite coating, the mechanism was mainly adhesion with micro-abrasion and fatigued-induced brittle fracture within splats, and the delamination along splat boundaries only occurred at high load. However, the failure of the WC coating was predominantly detachment of transferred film and brittle fracture within the splats and delamination along splat boundaries, which were enhanced with the increasing load.

Study on Friction and Wear of Several Metal Materials under Oil Lubrication

2013 ◽  
Vol 764 ◽  
pp. 55-59
Author(s):  
Zhan Bin Guo ◽  
Song Lin Gao
Keyword(s):  
Friction And Wear ◽  
Adhesive Wear ◽  
Friction Pair ◽  
Oil Lubrication ◽  
Wear Properties ◽  
Wear Performance ◽  
Sliding Speed ◽  
Metal Materials ◽  
Friction And Wear Properties ◽  
Main Factor

The friction and wear properties of several common metal materials (45#, 25CrMn, and 40CrNiMo) friction pair under oil lubrication was investigated on M-200 Type wear tester, and studied the friction under the condition of differ sliding speed and pressure. The results show that: the 25CrMn/45# steel pair has better tribological and wear performance; the load is the main factor which influences the friction of the material at the low sliding speed; the main wear form is adhesive wear, but the wear mechanism is gradually became from adhesive wear to abrasive wear and flaking wear with the contact pressure and sliding speed increased.

Friction and Wear Characteristics of Magneto-Rheological Elastomers Based on Silicone/Polyurethane Hybrid

2015 ◽  
Vol 137 (3) ◽  
Author(s):  
Chenglong Lian ◽  
Kwang-Hee Lee ◽  
Chul-Hee Lee
Keyword(s):  
Friction And Wear ◽  
Matrix Material ◽  
Operating Conditions ◽  
Wear Depth ◽  
Test Results ◽  
Wear Properties ◽  
Wear Performance ◽  
Friction And Wear Properties ◽  
Magneto Rheological ◽  
Mr Effect

The friction and wear properties of four different types of magneto-rheological (MR) elastomer were investigated. The MR elastomers have different matrix materials and structures. Most MR elastomers have a silicone matrix, since it has a more significant MR effect under a magnetic field compared to other materials. The mechanical properties of silicone, however, are poor compared to other materials, so it is difficult to use them in engineering applications. Therefore, a new polyurethane matrix material was used to enhance the friction and wear properties of MR elastomer. Additionally, two different matrix materials (silicone and polyurethane) were synthesized, and MR elastomers were structurally combined to improve the friction and wear performance. The friction characteristics of each MR elastomer were evaluated under reciprocating operating conditions. Wear depth was also measured to estimate the wear resistance. The test results show that the friction and wear performance of the modified MR elastomers are enhanced compared with the silicone-based MR elastomer.

Sliding Wear Performance of Plasma-Sprayed Al2O3-Cr2O3 Composite Coatings Against Graphite under Severe Conditions

2013 ◽  
Vol 22 (7) ◽  
pp. 1154-1162 ◽  
Author(s):  
Kai Yang ◽  
Xiaming Zhou ◽  
Chenguang Liu ◽  
Shunyan Tao ◽  
Chuanxian Ding
Keyword(s):  
Sliding Wear ◽  
Composite Coatings ◽  
Wear Performance ◽  
Plasma Sprayed
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