Erosion wear performance of a surface diffusion alloyed coating on pure magnesium

2013 ◽  
Vol 104 (2) ◽  
pp. 179-182
Author(s):  
Youping Ma ◽  
Xiulan Li ◽  
Lei Yang
Keyword(s):  
Surface Diffusion ◽  
Pure Magnesium ◽  
Erosion Wear ◽  
Wear Performance

Interdependence of slurry erosion wear performance and residual stress in WC-12wt%Co and WC-10wt%VC-12wt%Co HVOF coatings

2020 ◽  
Vol 87 ◽  
pp. 105101 ◽  
Author(s):  
Andrew M. Venter ◽  
Vladimir Luzin ◽  
Deon Marais ◽  
Natasha Sacks ◽  
Enoch N. Ogunmuyiwa ◽  
...  
Keyword(s):  
Residual Stress ◽  
Erosion Wear ◽  
Slurry Erosion ◽  
Wear Performance ◽  
Hvof Coatings

Tribological Study of Magnesium Alloys for Implant Applications

2014 ◽  
Author(s):  
Paul McGhee ◽  
Devdas Pai ◽  
Sergey Yarmolenko ◽  
Zhigang Xu ◽  
Sudheer Neralla ◽  
...  
Keyword(s):  
Extrusion Direction ◽  
Longitudinal Direction ◽  
Pure Magnesium ◽  
Optical Profilometry ◽  
Wear Properties ◽  
Biodegradable Implant ◽  
Cross Sectional ◽  
Wear Performance ◽  
Heat Treated ◽  
Wear Tests

Magnesium and its alloys have been found to potential candidates for biodegradable implant applications. However, magnesium and its alloys are broadly known to have poor tribological properties, but detailed specifics on wear performance are scarce. This research investigates the tribological characteristics on Mg-Zn-Ca-RE alloys and pure magnesium under as-cast and extruded conditions. Pure magnesium and Mg-Zn-Ca-RE alloys were hot extruded at 350°C and 400°C. Magnesium and Mg-Zn-Ca-Re alloy were also cast at 350°C and heat treated at 510°C. Directional wear properties were investigated using a CETR-UMT 2 microtribometer under unlubricated conditions in a reciprocating configuration for 120 cycles, with normal loads ranging from 0.5N–2.5N. Wear tests were conducted in directions: cross-sectional, longitudinal (along the extrusion direction) and transverse direction (perpendicular to the extrusion direction). Wear properties and friction properties were analyzed using a microtribometer, a mechanical stylus profiler, and microindentation. Surface morphology and microstructure were characterized using optical microscopy, scanning electron microscopy, and optical profilometry. The results show a lower wear rate in the transverse and cross-sectional direction compared to the longitudinal direction.

Dry erosion wear performance of Inconel 718 microwave clad

2014 ◽  
Vol 30 (11) ◽  
pp. 852-859 ◽  
Author(s):  
S. Zafar ◽  
A. Bansal ◽  
A. K. Sharma ◽  
N. Arora ◽  
C. S. Ramesh
Keyword(s):  
Inconel 718 ◽  
Erosion Wear ◽  
Wear Performance

Influence of multi-wall carbon nanotube content on dry and corrosive wear performances of pure magnesium

2018 ◽  
Vol 52 (23) ◽  
pp. 3127-3135 ◽  
Author(s):  
Muhammet E Turan ◽  
Yavuz Sun ◽  
Fatih Aydın ◽  
Yasin Akgul
Keyword(s):  
Carbon Nanotube ◽  
Hardness Test ◽  
Corrosive Wear ◽  
Pure Magnesium ◽  
Reinforced Composites ◽  
Wear Performance ◽  
Reinforced Composite ◽  
The Matrix ◽  
Corrosive Environments ◽  
Multi Wall Carbon Nanotube

The present study aims to investigate the effect of Multi-Wall Carbon Nanotube on dry sliding and corrosive wear performance of pure magnesium. Multi-wall carbon nanotube reinforced composites with different weight fractions (0.25 wt.% and 0.5 wt.%) were fabricated by semi powder metallurgy. Hardness test was performed for all samples. To evaluate wear performance of the samples, three different loads (10 N, 20 N, and 40 N) were applied at the room temperature in both dry and 3.5 wt.% NaCl corrosive environments. Worn surfaces and microstructures of the samples were characterized using Scanning Electron Microscope. Results show that carbon nanotubes embedded in the matrix without any macro-defects. The hardness of pure magnesium was improved with the addition of multi-wall carbon nanotube considerably. 0.5 wt.% multi-wall carbon nanotube reinforced composite exhibited best wear performance both in dry and corrosive conditions.

Erosion wear performance of Ni-Cr-O and NiCrBSiFe-WC(Co) composite coatings deposited by HVOF technique

2019 ◽  
Vol 71 (4) ◽  
pp. 610-619 ◽  
Author(s):  
Jashanpreet Singh ◽  
Satish Kumar ◽  
S.K. Mohapatra
Keyword(s):  
Composite Coatings ◽  
Scanning Electron Micrographs ◽  
Erosion Wear ◽  
Wear Performance ◽  
Content Type ◽  
Hydraulic Machinery ◽  
Mining Conditions ◽  
Coated Surfaces ◽  
Impact Angles ◽  
3D Topology

Purpose This study/paper aims to investigate the erosion wear performance of Ni-based coatings [Ni-Cr-O and NiCrBSiFe-WC(Co)] under sand-water slurry conditions. Design/methodology/approach A high-velocity oxy-fuel (HVOF) process was used to deposit the Ni-based coatings [Ni-Cr-O and NiCrBSiFe-WC(Co)] on the surface of stainless steel (SS 316L) substrate. A Ducom TR-41 erosion tester was used to conduct the tribological experiments on bare/HVOF coated SS 316L. The erosion wear experiments were carried out for different time durations (1.30-3.00 h) at different impact angles (0-60°) by running the pot tester at different rotational speeds (600-1,500 rev/min). The solid concentration of sand slurry was taken in the range of 30-60 Wt.%. The surface roughness of Ni-based coated surfaces was also measured along the transverse length of the specimens. Findings Results show the arithmetic mean roughness (Ra) values of Ni-Cr-O and NiCrBSiFe-WC coated SS-316L were 7.04 and 6.67 µm, respectively. The erosion wear SS-316L was almost 3.5 ± 1.5 times greater than that of the NiCrBSiFe-WC coatings. NiBCrSi-WC(Co) sprayed SS-316L showed lower erosion wear than Ni-Cr-O sprayed SS-316L. Microscopically, the eroded Ni-Cr-O coating underwent plowing, microcutting and craters. Ni-Cr-O coating have shown the ductile nature of erosion wear mechanism. NiBCrSi-WC(Co) surface underwent craters, plowing, carbide/boride pullout, fractures and intact. Erosion wear mechanisms on the eroded surface of NiBCrSi-WC(Co) were neither purely ductile nor brittle. Practical implications It is a useful technique to estimate the erosion wear of hydraulic machinery coated with Ni-based coatings imposed under mining conditions. Originality/value The erosion wear performance of HVOF-sprayed Ni-Cr-O and NiCrBSiFe-WC(Co) powders was investigated through extensive experimentation, and the results are well supported by scanning electron micrographs and 3D topology.

scholarly journals Performance Evaluation of Glass-Epoxy-TiC Hybrid Composites Using Design of Experiment

2014 ◽  
Vol 2014 ◽  
pp. 1-9 ◽  
Author(s):  
Sangita Mohapatra ◽  
Sisir Mantry ◽  
S. K. Singh
Keyword(s):  
Hybrid Composites ◽  
Orthogonal Arrays ◽  
Controlling Factors ◽  
Solid Particle Erosion ◽  
Erosion Wear ◽  
Impingement Angle ◽  
Wear Performance ◽  
Plasma Technique ◽  
Reinforced Composite ◽  
Multiphase Composite

The present paper reports the processing and solid particle erosion behavior of a multiphase composite consisting of epoxy resin reinforced with E-glass fiber and TiC particles. The TiC powder synthesized from ilmenite employing DC extended thermal plasma technique has been used as the filler in these glass epoxy composites. It is observed that with increasing percentage of filler particles, there is significant improvement in hardness and erosion wear performance. It is also observed that, among all the factors, impact velocity is the most significant factor followed by TiC percentage and impingement angle, while erodent size has the least significance on erosion of the reinforced composite. Taguchi's orthogonal arrays have been used to identify the controlling factors influencing the erosion wear rate.

Erosion Wear Property of Surface Diffusion Alloyed Coatings on Magnesium Alloy

2011 ◽  
Vol 682 ◽  
pp. 217-223
Author(s):  
You Ping Ma ◽  
Xiu Lan Li ◽  
Lei Yang ◽  
Xi Peng He
Keyword(s):  
Wear Resistance ◽  
Magnesium Alloy ◽  
Surface Diffusion ◽  
Wear Mechanism ◽  
Wear Property ◽  
Erosion Wear ◽  
Erosion Properties ◽  
The Difference ◽  
Wear Tests ◽  
Better Than

Erosion wear tests under different erosion slurry mediums were carried out to investigate erosion properties of the treated samples of ZM5 magnesium alloy by surface diffusion alloying processing (SDAP).The result indicated that the micro-hardness (HV172) near the surface of alloyed specimen was about twice more than that of its substrate(HV82) after treated at 390°C for 8h.The erosion wear resistance β (0.68×104 mm2/g) of the treated specimen was better than that of untreated specimen (0.48×104mm2/g) under the conditions of erosion slurry of oil and quartz. The difference of erosion wear resistance between them was primary due to cutting wear mechanism. While erosion mediums was changed to the slurry of water and quartz, the wear resistance β of the treated specimen increase up to 0.24×104 (mm2/g), and that of the untreated specimen was only 0.09×104 (mm2/g),the difference between them resulted from corrosion wear mechanism predominating, which worsen the erosion wear resistance β.

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