Journal ArticleDOI
Characterization and Properties of Silicon Carbide Reinforced Ni-10Co-5Cr (Superalloy) Matrix Composite Produced Via Powder Metallurgy Route
TLDR
In this paper, Ni-Co-Cr-SiC composites with various weight percentages were manufactured via powder metallurgy (PM) route and the powders were mixed using planetary ball mill for a period of 10h.Abstract:
In this investigation, Ni-Co-Cr-SiC composites with various weight percentages were manufactured via powder metallurgy (PM) route. The compositions of the composites are Ni-10%Co-5%Cr, Ni-10% Co-5%Cr-4%SiC, Ni-10%Co-5%Cr-8%SiC and Ni-10%Co-5%Cr-12%SiC. The powders were mixed using planetary ball mill for a period of 10 h. The ball milled powders were subjected to X-ray diffraction (XRD) and Scanning Electron Microscope (SEM) analysis. By utilizing 150 kN hydraulic press with appropriate punch and die the ball milled powders were compacted as a cylindrical billets. The green compacts were sintered in a tubular furnace at two different temperatures 1000 °C and 1200 °C for3 h. The characterization examination namely XRD, SEM and Energy Dispersive Analysis (EDAX) was made on the sintered samples. Unreinforced Ni-Co-Cr exhibits higher sinterability at both sintering temperature. The sintering temperature and reinforcement weight percentage effect on the mechanical properties and corrosion behavior of the composites were examined. From these investigations, the mechanical properties and corrosion resistance of the composites were enhanced while increasing the sintering temperature and SiC weight percentage in the Ni-Co-Cr super alloy matrix.read more
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Tribological Aspects, Optimization and Analysis of Cu-B-CrC Composites Fabricated by Powder Metallurgy.
TL;DR: In this paper, the authors analyzed the tribological properties of metal matrix composites (MMCs) and found that the most effective factor for wear rate, weight loss and friction coefficients is the contribution rate.
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Investigation of Microstructure, Hardness and Wear Properties of Hybrid Nanocomposites with Al2024 Matrix and Low Contents of B4C and h-BN Nanoparticles Produced by Mechanical Milling Assisted Hot Pressing
Müslim Çelebi,Aykut Canakci,Onur Güler,Serdar Özkaya,Abdullah Hasan Karabacak,Kürşat Alp Arpacı +5 more
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Fabrication of hybrid polyester composites in various combinations and evaluate the mechanical properties
TL;DR: In this paper, the properties of hybrid composite materials, the blend of cleaved basalt fiber and hibiscus leaf powder is expanded the rank of composite material, the utilization of different fillers alongside regular strands makes much enthusiasm among examines due its minimal effort, simple accessibility and more noteworthy upgrade in mechanical properties.
Journal ArticleDOI
Effect of Copper on Mechanical Properties and Corrosion Behavior of Powder Metallurgy Processed Ni–Co–Cr–Fe–Mn–Cu_x High Entropy Alloy
Journal ArticleDOI
Preparation, microstructure, and mechanical behaviour of Ni3Al-based superalloy reinforced with carbide particles
TL;DR: In this paper , the preparation, microstructure, and mechanical behaviour of Ni3Al-based superalloy have been studied and the correlation curve between experimentally measured Vickers microhardness values and calculated equivalent plastic strain distribution in the plastic zone underneath Vickers macroindentation and within the compression specimens deformed to engineering strains ranging from 0.05 to 0.27.
References
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Journal ArticleDOI
Nickel-Based Superalloys for Advanced Turbine Engines: Chemistry, Microstructure and Properties
Tresa M. Pollock,Sammy Tin +1 more
TL;DR: The chemical, physical, and mechanical characteristics of nickel-based superalloys are reviewed with emphasis on the use of this class of materials within turbine engines as mentioned in this paper, and the role of major and minor alloying additions in multicomponent commercial cast and wrought super-alloys is discussed.
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The machinability of nickel-based alloys: a review
TL;DR: A detailed review of the various types of nickel-based alloys available on a commercial basis and their development including alloying additions as well as processing techniques employed to achieve specific mechanical and/or chemical properties is presented in this article.
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Properties of P/M processed particle reinforced metal matrix composites specified by reinforcement concentration and matrix-to-reinforcement particle size ratio
TL;DR: In this paper, the effect of reinforcement particle size (3 and 14μm), matrix-to-reinforcement particle size ratio (PSR) ranging from 2.9 to 12.9 and volume fraction of the reinforcement (0-20 vol%) on microstructure and mechanical properties (yield stress, tensile strength, elongation to fracture and Young's modulus) is investigated for Al-6Cu-0.4Mn⧹SiC p composites manufactured by the powder metallurgy route.
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The effect of production parameters on microstructure and wear resistance of powder metallurgy Al–Al2O3 composite
TL;DR: In this paper, the effect of production parameters on wear resistance of Al-Al2O3 composites was examined and it was found that increasing sintering temperature and time results in increasing density, hardness and wear resistance.
Journal ArticleDOI
Hot forging of a nickel-base superalloy
TL;DR: In this paper, the authors investigated the hot-deformation behavior of nickel-based Alloy 718 and found that dynamic recrystallization plays a significant role in determining final microstructures for the given temperature ranges.