Exploring wear resistance: Three-body abrasion evaluation of HVOF-sprayed TiC and CoNi coatings on SS316 steel DOI
Vikrant Singh, Samandeep Kaur, Vijay Kumar

et al.

Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science, Journal Year: 2024, Volume and Issue: 238(20), P. 10222 - 10236

Published: July 23, 2024

This study investigated the performance of High-Velocity Oxygen Fuel (HVOF)-sprayed Titanium Carbide (TiC) and TiC + 50C (50%TiC 50%CoNi) coatings on SS316 steel under three-body abrasion conditions. The microstructural analysis revealed a homogeneous distribution particles within coatings, while exhibited more complex microstructure due to presence Co-Ni alloy. Mechanical testing demonstrated superior microhardness compared substrate, suggesting enhanced wear resistance. Slurry tests indicated reduced mass loss rates for both uncoated steel, with exhibiting resistance abrasive wear. Post-abrasion examination distinct patterns, including chipping, plowing marks, crater formation, traces, surface ruggedness.

Language: Английский

Homogeneity, metallurgical, mechanical, wear, and corrosion behavior of Ni and B4C coatings deposited on 304 stainless steels developed by microwave cladding technique DOI Creative Commons
Shashi Prakash Dwivedi, Shubham Sharma, Arun Pratap Srivastava

et al.

Journal of Materials Research and Technology, Journal Year: 2023, Volume and Issue: 27, P. 5854 - 5867

Published: Nov. 1, 2023

The microwave cladding technique for depositing Ni and 10 % B4C coatings on 304 stainless steel has yielded significant advancements in material properties performance. key findings of this study revealed remarkable improvements, including a 43.33% increase hardness, indicating enhanced wear resistance mechanical properties. This improvement was attributed to the uniform distribution surface, ensuring consistent interfacial layer developed between SS surface without cracks porosity. Microstructural analysis at 500× magnification unveiled an impressive 2233.35 grains per square inch, showcasing refined grain structure achieved during process. Wear testing demonstrated low rate 0.00308 mm³/m favorable coefficient friction 0.1981, confirming material's suitability applications with demanding frictional conditions. Furthermore, corrosion behavior coated assessed, revealing minimal weight loss only 0.42 mg 10% sample. presence various carbide phases, such as Cr2C, Cr23C6, Cr7BC4, Fe5C2, Fe23B6, within further contributed

Language: Английский

Citations

29
Unveiling of grain structure, porosity, phase distributions, microstructural morphology, surface hardness, and tribo-corrosion characteristics of nickel, and titanium dioxide-based SS-304 steel microwave composite coatings cladding DOI Creative Commons
Shubham Sharma, Shashi Prakash Dwivedi, Changhe Li

et al.

Journal of Materials Research and Technology, Journal Year: 2023, Volume and Issue: 28, P. 4299 - 4316

Published: Dec. 30, 2023

The microstructure, homogeneity, and tribo-corrosion behavior of microwave-developed Nickel as well titanium dioxide SS-304 cladding surfaces are the primary emphasis this research. study includes assessing hardness enhancement from Ni TiO2 particles in surface. investigation additionally evaluates surface wear rates, friction coefficients, resistance to corrosion under tribological conditions. with developed by microwave energy were investigated study. microstructure was being examined validate uniformly homogeneous dispersion particles, XRD employed determine phases. evaluated, a pin-on-disk tribometer has assessed behavior. Tribo-corrosion tested 3.5-percent NaCl solution. To enhance cladding's efficiency, hybrid heating (MHH) utilising charcoal susceptor been employed. Findings exhibited that analysis showed had uniform distribution compact microstructure. significantly improved about 37.68% due incorporation 10% particles. FeNi3, NiSi2, Ni3C, NiC, Ni2Si, FeNi, phases seen on conditions also evaluated using tribometer. outcomes have decreased rates coefficients compared uncoated substrate. Moreover, 3.5% rate coefficient measured be 0.00412 mm3/m 0.297, respectively. results indicated enhanced

Language: Английский

Citations

23
Tailoring AlSi7Mg0.3 composite properties with CoCrMoNbTi high entropy alloy particles addition via FSP technique DOI
Shashi Prakash Dwivedi, Shubham Sharma,

Archana Singh

et al.

Materials Chemistry and Physics, Journal Year: 2024, Volume and Issue: 315, P. 129038 - 129038

Published: Feb. 8, 2024

Language: Английский

Citations

15
Characterization of FeCoNiCr high-entropy alloys manufactured by powder metallurgy technique DOI Creative Commons
Ali Basem, Mohd Ali Hassan, Omayma A. Elkady

et al.

Journal of Materials Research and Technology, Journal Year: 2024, Volume and Issue: 30, P. 88 - 100

Published: March 11, 2024

This study explores the phase constitution, thermal behavior, magnetic characteristics, and mechanical properties of FeCoNiCrCux high-entropy alloys (HEAs) produced via powder metallurgy, focusing on varying copper ratios (0–20%). The investigation seeks to understand how introduction influences composition FeCoNiCr HEAs, particularly regarding changes in structure behavior. constitution was analyzed using field emission scanning electron microscopy (SEM) X-ray diffraction (XRD). Thermal expansion differential calorimetry (DSC) were employed while vibrating sample magnetometers (VSM) utilized assess properties. Mechanical evaluated through hardness testing. analysis reveals a shift from single-phase FCC dual-phase configuration comprising copper-rich phases as content increases. characterized, demonstrating alloy's behavior under conditions. tests showed decrease with increasing content. contributes understanding addition affects properties, strength HEAs. observed offer insights for tailoring HEAs specific applications.

Language: Английский

Citations

12
Synergistic performance evaluation of copper–WC-graphene composites: Microstructure, mechanical properties, corrosion, and wear behavior under microwave sintering DOI
Shashi Prakash Dwivedi, Vijay Chaudhary, Shubham Sharma

et al.

Materials Chemistry and Physics, Journal Year: 2024, Volume and Issue: 317, P. 129202 - 129202

Published: March 18, 2024

Language: Английский

Citations

10
Investigation of surface hardness, thermostability, tribo-corrosion, and microstructural morphological properties of microwave-synthesized high entropy alloy FeCoNiMnCu coating claddings on steel DOI Creative Commons
Shubham Sharma, Shashi Prakash Dwivedi, Kahtan A. Mohammed

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: March 2, 2024

Abstract Deposition of high entropy alloy FeCoNiMnCu on SS-304 was carried out by microwave energy for application in “solid oxide fuel-cell (SOFC) interconnects”. The ball-milling has been performed taking “Fe, Co, Ni, Mn, and Cu” equal 20 wt. % before deposited substrate. steel with 20% Fe Co Ni Mn Cu (HEA) exposed to thermal-exposure the air up 10 weeks at 800 °C. uniform cladding distribution HEA particles can be apparently observed substrate utilizing Scanning Electron Microscope (SEM), Optical microscopy analysis. Homogeneity interfacial layer evident employing (SEM) characterization. Results have indicated that after thermal exposure ten °C, a “protective Cr 2 O 3 layer”, “high-entropy spinel coating” (Fe, Cu) 4 formed. During cladding, emergence harder-phases contributed raised hardness. wear behavior coating significantly enhanced due strengthened resistance hardness coatings. Findings exhibited formation phase is potential material “SOFC interconnects” applications. Moreover, SS304 composition Fe, demonstrated remarkable stability under expansion studies. As findings revealed composite efficiently withstand significant variations volume when subjected elevated temperatures prolonged period time, thus, exhibiting its superior SOFC-interconnect Furthermore, SEM images surface, surface hardness, tribocorrosion coated identify effect steel-substrate.

Language: Английский

Citations

9
Use of Computational Fluid Dynamics (CFD) Methods to Analyze Combustion Chamber Processes at HVOF Spraying and Their Comparison with Experimental Data DOI Creative Commons
Bauyrzhan Rakhadilov, Nazerke Muktanova, A.B. Kenesbekov

et al.

Modelling—International Open Access Journal of Modelling in Engineering Science, Journal Year: 2025, Volume and Issue: 6(1), P. 4 - 4

Published: Jan. 13, 2025

This paper discusses the process of high-velocity oxygen fuel (HVOF) spraying with modeling gas flow parameters and behavior WC-Co-Cr powder particles different fractions (up to 20 µm, 21–35 μm 36–45 μm). It was found that temperature stream reaches a maximum about 2700 °C, after which it gradually decreases, pressure in combustion chamber (before exit gases through nozzle) values, exceeding 400,000 Pa, at nozzle stabilizes 100,000 corresponds standard atmospheric pressure. The velocity increases 1300–1400 m/s then decreases 400 distance 150 mm. determined µm fraction provide more stable temperature. Small µm) lose faster as they advance, deteriorates coating quality, also experimentally confirmed. All results obtained from HVOF fully align data experimental studies.

Language: Английский

Citations

1
Tribomechanical, and microstructural morphological analysis of nitride ferrous powder metallurgy composites for enhanced automotive valve guide performance DOI Creative Commons
Baljeet Singh,

Jasmaninder Singh Grewal,

Rajeev Kumar

et al.

Journal of Materials Research and Technology, Journal Year: 2024, Volume and Issue: 31, P. 6 - 25

Published: June 2, 2024

The growing challenges of reducing exhaust emissions and improved fuel economy has triggered automotive engineers to design manufacture engine parts with superior mechanical properties dimensional accuracies. Valve guides are cylindrical structures supporting inlet valve stems during operation. Conventionally made grey cast iron material, guide suffers from severe wear losses leading loss increased due improper stem seating. Here, the synthesis a novel ferrous powder metallurgy composite is presented characteristics have been studied at varying loads 30 N, 40 N 50 sliding speeds 0.5 m/s, 1 m/s 2 under lubricated conditions. samples undergone nitriding heat treatment 1150 °C improve surface hardness 700 Hv. shown negative rates high capillary action lubricating oil exhibited stable friction coefficient values. This attributed formation hard phases Fe2N, Fe3N, Fe4N Fe(Mn)3C twinning-induced plastic compounds like (Fe24Mn) 0.08 as evident XRD analysis. morphological analysis worn out was done SEM Coupled EDS it showed micro-cutting, Ploughing, delamination main phenomenon.

Language: Английский

Citations

8
Exploring Microstructural, Interfacial, Mechanical, and Wear Properties of AlSi7Mg0.3 Composites with TiMOVWCr High-Entropy Alloy Powder DOI Creative Commons
Shashi Prakash Dwivedi, Shubham Sharma, Changhe Li

et al.

ACS Omega, Journal Year: 2024, Volume and Issue: 9(17), P. 18813 - 18826

Published: April 17, 2024

This study explored the impact of varying weight percentages TiMoVWCr high-entropy alloy (HEA) powder addition on A356 composites produced using friction stir processing (FSP). Unlike previous research that often focused singular aspects, such as mechanical properties, or microstructural analysis, this investigation systematically examined multifaceted performance by comprehensively assessing microstructure, interfacial bonding strength, and wear behavior. The identified a uniform distribution HEA in composition A356/2%Ti2%Mo2%V2%W2%Cr, highlighting effectiveness FSP technique achieving homogeneous dispersion. Strong between reinforcement matrix material was observed same composition, indicating favorable characteristics. Mechanical including tensile strength hardness, were evaluated for various compositions, demonstrating significant improvements across board. 2%Ti2%Mo2%V2%W2%Cr enhanced 36.39%, while hardness improved 62.71%. Similarly, resistance showed notable enhancements ranging from 35.56 to 48.89% different compositions. Microstructural analysis revealed approximately 1640.59 grains per square inch A356/2%Ti2%Mo2%V2%W2%Cr processed composite at 500 magnifications. In reinforcing Al with Ti, Mo, V, W, Cr particles, each element imparted distinct benefits. Titanium (Ti) resistance, molybdenum (Mo) contributed vanadium (V) promoted hardenability, tungsten (W) chromium (Cr) provided hardness. Anticipating potential applications developed composite, suggests its suitability aerospace sector, particularly casting lightweight yet high-strength parts aircraft components, engine structural underlining significance investigated powder-modified composites.

Language: Английский

Citations

6
Effect of Yttria-Stabilized Zirconia addition along with Cu in development of titanium based metal matrix composite via FSP technique for the application in biomedical devices DOI
Shashi Prakash Dwivedi, Kuldeep K. Saxena, Shubham Sharma

et al.

Composite Interfaces, Journal Year: 2024, Volume and Issue: 31(10), P. 1173 - 1197

Published: March 18, 2024

The present study investigated the effect of incorporating Yttria-Stabilized Zirconia (YSZ) and copper (Cu) in development Titanium-Based Metal Matrix Composites (TMCs) using Friction Stir Processing (FSP) technique. macrostructure TMCs, after adding 5% YSZ 2% Cu, displayed a defect-free, crack-free, porosity-free surface, indicating precision FSP method. Microstructure analysis revealed uniform distribution reinforcement particles proper dispersion grains, key for enhancing mechanical properties. interfacial bonding between titanium was exceptionally strong, devoid cracks porosity, attributed to additive's role. increase number grains per square inch Ti/5% YSZ/2% Cu composite (1176.26 at 500×) signified finer grain structure, contributing remarkable 48.04% improvement tensile strength compared pure titanium. strong are driving forces behind 46.34% increased hardness. Additionally, wear resistance improved by approximately 76.66%, vital characteristic applications facing abrasive conditions. corrosion testing demonstrated an 8.33% enhancement with composite.

Language: Английский

Citations

5