Achieving CVD diamond films on Mo0.5(TiZrTaW)0.5 highly concentrated alloy for ultrastrong corrosion resistance

Wang, N.X.; Wang, Y.S.; Zheng, Kan; Zhi, J.Q.; Zhou, Bing; Wu, Yanxia; Xue, Y.P.; Ma, Yan; Cheng, Fang; Gao, Jie; Hei, Hongjun; Wang, X.M.; Yu, Shengwang

doi:10.1016/j.surfcoat.2023.129620

Cited by 15 publications

(9 citation statements)

References 61 publications

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“…SEM image of the wear surface of A356-based composites after 2%Ti2%Mo2%V2%W2%Cr HEA powder incorporation through FSP provided a visual representation of the material’s response to abrasive forces (Figure ). This image revealed the intricate details of the surface topography, including features such as cracks, debris, wear tracks, and the distribution of HEA particles. − The microstructural change induced by FSP was evident in the SEM images. The high rotational and traverse speeds of the FSP tool led to severe plastic deformation and heat generation, causing the HEA particles to be incorporated into the A356 matrix. , …”

Section: Resultsmentioning

confidence: 95%

“…This image revealed the intricate details of the surface topography, including features such as cracks, debris, wear tracks, and the distribution of HEA particles. 35 − 37 The microstructural change induced by FSP was evident in the SEM images. The high rotational and traverse speeds of the FSP tool led to severe plastic deformation and heat generation, causing the HEA particles to be incorporated into the A356 matrix.…”

Section: Resultsmentioning

confidence: 98%

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Exploring Microstructural, Interfacial, Mechanical, and Wear Properties of AlSi7Mg0.3 Composites with TiMOVWCr High-Entropy Alloy Powder

Dwivedi,

Sharma,

et al. 2024

ACS Omega

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

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Section: Resultsmentioning

confidence: 95%

Section: Resultsmentioning

confidence: 98%

Exploring Microstructural, Interfacial, Mechanical, and Wear Properties of AlSi7Mg0.3 Composites with TiMOVWCr High-Entropy Alloy Powder

Dwivedi,

Sharma,

et al. 2024

ACS Omega

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“…Thus, from the microstructure of the Al/carbonized WBA composite, it may be affirmed that the presence of carbon in aluminum is also responsible for the increased hardness of the composite. 17 − 19 WBA has also enhanced the mechanical characteristics of aluminum since it is composed of phases such as CaO, Al 2 O 3 , MgO, Fe 2 O 3 , and SiO 2 . In Al6063/WBA MMC’s, these hard phases have contributed to the composite’s excellent mechanical characteristics.…”

Section: Resultsmentioning

confidence: 99%

Physicomechanical, Wettability, Corrosion, Thermal, and Microstructural Morphology Characteristics of Carbonized and Uncarbonized Bagasse Ash Waste-Reinforced Al-0.45Mg-0.35Fe-0.25Si-Based Composites: Fabrications and Characterizations

Sharma,

Dwivedi,

et al. 2024

ACS Omega

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An effort was being made to incorporate waste bagasse ash (WBA) both in carbonized and uncarbonized form into the formulation of Al6063 matrix-based metal matrix composites (MMC’s) by partially substituting ceramic particles for them. In the process of developing composites, comparative research on carbonized WBA and uncarbonized bagasse powder was carried out in the role of reinforcement. Microstructure investigations revealed that carbonized WBA particles were properly distributed throughout the aluminum-base metal matrix alloy. They also had the appropriate level of wettability. The reinforcement of carbonized WBA particles in AA6063-based matrix material had a maximum tensile strength of 110 MPa and a maximal hardness of 39 BHN when 3.75 wt % of the particles were used. The deterioration in tensile strength (6.25 wt % of WBA) and the appearance of porosity and blowholes can be enumerated by tensile fractography-based scanning electron microscopy (SEM) analysis. The reinforcement of carbonized WBA particles in AA6063-based matrix material was found to have a maximal percent elongation of 14.42% and the highest fracture toughness of 15 Joules when 1.25 wt % of the particles were employed. For AA6063/3.75 wt % carbonized WBA-based MMC’s, the minimum percent porosity was determined to be 5.83, and the minimum thermal expansion was found to be 45 mm3. As the percentage of reinforcement in bagasse-reinforced composites increases, the density of the material, the amount of corrosion loss, and the cost all decrease gradually. The AA6063 matrix, with a composition of 3.75 wt % carbonized WBA-based MMC’s, had satisfactory specific strength and corrosion loss. The AA6063 alloy composite’s microstructure analysis revealed that carbonized WBA enhanced the material’s mechanical characteristics, contributing to its excellent mechanical capabilities. The results of the corrosion test showed that carbonized WBA-reinforced composites exhibited reduced weight loss due to corrosion, whereas uncarbonized bagasse powder was an inappropriate reinforcement. The SEM analysis of AA6063 alloy/3.75 wt % carbonized WBA ash reinforcement-based MMC’s exposed to a 3.5 wt % NaCl solution has exhibited the development of corrosion pits as a result of localized attack by the corrosive environment. The thermal expansion test showed that the composite with uncarbonized bagasse powder as reinforcement have a high shrinkage rate in comparison with the composite with 3.75 wt %. The composite’s mechanical characteristics and thermal stability were enhanced by the presence of hard phases like SiO2, Al2O3, Fe2O3, CaO, and MgO, as revealed by X-ray diffraction analysis. This made it suitable for use in a variety of applications.

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“…Wang N.X. et al reported that CVD deposition of diamond films on Mo 0.5 (TiZrTaW) 0.5 highly concentrated alloy strongly improved corrosion resistance in 3.5 wt.% NaCl and 1 M HCl solutions [38]. This result was explained by the formation of the MC mixed carbide layer [011] (M = Mo, Ti, Ta, and W), which orients the diamond films.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, in the real conditions of a particular tool for plate sawing, the main breakage of the knife is the destruction of the cutting tool itself. In addition, the difference in hardening between different manufacturers of coated tools is not very great, in the order of 10 to 15% [29][30][31][32][33][34][35][36][37][38][39][40][41].…”

Section: Introductionmentioning

confidence: 99%

Structural and Mechanical Properties of DLC/TiN Coatings on Carbide for Wood-Cutting Applications

Chayeuski

Zhylinski

Kazachenko³

et al. 2023

Coatings

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In this work, the diamond-like carbon and titanium nitride (DLC/TiN) multilayer coatings were prepared on a cemented tungsten carbide substrate (WC—3 wt.% Co) using the cathodic vacuum arc physical vapor deposition (Arc-PVD) method and pulsed Arc-PVD method with a graphite cathode for the deposition of TiN and carbon layers, respectively. The structural and mechanical properties of the prepared coatings were studied, and different techniques, such as scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), Raman spectroscopy, and microindentation techniques investigated their microstructure, composition, and phases. The prepared coatings had a multilayer structure with distinct phases of DLC, TiN, and carbide substrate. The potentiodynamic polarization method (PDP) was performed for the DLC/TiN multilayer coatings in 3% NaCl solution to evaluate the corrosion resistance of the prepared coatings. It has been shown that the DLC layer provided the coating with a polarization resistance of 564.46 kΩ. Moreover, it has been demonstrated that the DLC/TiN coatings had a high hardness of 38.7–40.4 GPa, which can help to extend the wood-cutting tools’ life.

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Achieving CVD diamond films on Mo0.5(TiZrTaW)0.5 highly concentrated alloy for ultrastrong corrosion resistance

Cited by 15 publications

References 61 publications

Exploring Microstructural, Interfacial, Mechanical, and Wear Properties of AlSi7Mg0.3 Composites with TiMOVWCr High-Entropy Alloy Powder

Exploring Microstructural, Interfacial, Mechanical, and Wear Properties of AlSi7Mg0.3 Composites with TiMOVWCr High-Entropy Alloy Powder

Physicomechanical, Wettability, Corrosion, Thermal, and Microstructural Morphology Characteristics of Carbonized and Uncarbonized Bagasse Ash Waste-Reinforced Al-0.45Mg-0.35Fe-0.25Si-Based Composites: Fabrications and Characterizations

Structural and Mechanical Properties of DLC/TiN Coatings on Carbide for Wood-Cutting Applications

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