In this study, powder-mixed electrical discharge machining (PMEDM) was employed using two carbon-based nanopowders (multi-walled carbon nanotubes (MWCNTs) and nano-graphene) to enhance the machining characteristics of Udimet-720. Pulse-on-time, pulse-off-time, and current were selected as control variables, with …
1. Introduction. The IN939 superalloy is extensively used in the gas turbine industry due to its superior mechanical properties, and oxidation and corrosion resistance [1,2].In order to improve gas turbine energy efficiency and lower carbon dioxide emissions, it is necessary to optimize the service performances of superalloys [].Extensive research on nickel …
Although the traditional powder metallurgy process can obtain the uniform nano-scale dispersion ODS alloy with excellent performance, the long producing cycle and difficulty in manufacturing …
Cu-based Metal Powder Products ListCopper alloys are dominant materials in the movement of mechanical watches. The fact that they are easy to shape by machining or cold-forming is of great importance. A watchmaker remarked: "you can make a good movement with two materials only—leaded brass and quenchable carbon steel".
𝐔𝐒𝐀, 𝐍𝐞𝐰 𝐉𝐞𝐫𝐬𝐞𝐲- The global Nano Titanium Dioxide Powder Market is expected to record a CAGR of XX.X% from 2024 to 2031 In 2024, the market size is projected to ...
Four nickel-based oxide dispersion strengthened (ODS) superalloys with the additions of YH 2, Y 2 O 3, La 2 O 3 and CeO 2 (denoted as ODS-Y1 ODS-Y2, ODS-La and ODS-Ce) are prepared, respectively. The tensile tests at temperatures ranging from room temperature (RT) to 1000 °C were conducted on them. In this work, by means of …
Nano-TiC particles are obtained by thermal arc plasma nano-powder preparation technology. This method has been reported in previous work to obtain nanopowder materials [39]. Ti metal block and tungsten rod are used as anode and cathode respectively. The gas in the warehouse was a mixture of Ar gas and CH 4, and the …
Nickel-based superalloys are commonly known as its exceptional combination of high temperature strength, toughness, and resistance to degradation in corrosive or oxidizing environments. Currently, it is commonly used for aircraft and power-generation turbines, rocket engines, and other challenging environments, including nuclear power and ...
Whilst the in-built dislocation density and associated higher yield strengths of LPBF FCC materials (such as SS316L or Ni-alloys) have attracted much attention in the literature [13, 14], a less discussed feature that is almost always observed in LPBF is the presence of a distribution of nano-oxides, typically 20–50 nm in size.The nano-oxides …
Nano Y 2 O 3 particle enhanced IN718 nickel-based superalloy fabricated by laser powder bed fusion. ... Nickel-based superalloys are widely employed in power generation, machinery, and aerospace. ... The IN718 superalloy powder used in this study was Ni 51.9 –Cr 18.8 –Fe 18.2 –Nb 5.5 –Mo 3.9 –Ti 1.1 –Al 0.6 ...
In recent years, substantial studies have been focused on the addition of nano-reinforced particles in Ni-based superalloys that enhance strength and ductility. …
The addition of TiC nanoparticles has been proven to be effective in inhibiting the formation of micro-cracks in superalloys, while the homogenization of the nanoparticles by directly blending with the origin …
Through powder metallurgy and various casting techniques 21,22, nano-ceramic or intermetallic particles, such as oxides and carbides 23,24,25, are introduced …
AMA Style. Ren X, Ling C, Wang X, Li Y, Liu Z, Wang B. Study on the Formation Mechanism of Serrated Chips in the Cutting Process of Powder Metallurgy Superalloys Based on a Modified J–C Constitutive Relation Simulation Model.
Nickel-based superalloys are commonly known as its exceptional combination of high temperature strength, toughness, and resistance to degradation in corrosive or oxidizing environments. Currently, it is commonly used for aircraft and power-generation turbines, rocket engines, and other challenging environments, including nuclear power and ...
This new processing technique employed resonant acoustic mixing to coat an equiatomic NiCoCr powder with nano-scale yttrium oxides. ... The DS-superalloys clearly present a strength improvement ...
Powder metallurgy (PM) Ni-based superalloys are widely used for aeroengine turbine disc applications due to their excellent mechanical properties and good corrosion resistance at elevated temperatures. ... nano-grains with the size of 100–200 nm were formed in front of the crack tip and these misoriented nano-grains led to the …
Nickel-based ODS superalloys have been processed by powder metallurgical route, which consists of mechanical alloying of elemental powders or pre-alloyed powders with oxide particles (Y 2 O 3, Al 2 O 3, and ThO 2) and consolidation mainly by hot isostatic pressing (HIP) and hot powder extrusion. This is followed by …
Application of nickel-based superalloys is gradually rising in many sectors such as aerospace, automotive and marine industries due to their exceptional thermo …
Nickel-based superalloys are commonly known as its exceptional combination of high temperature strength, toughness, and resistance to degradation in corrosive or oxidizing environments. Currently, it is commonly used for aircraft and power-generation turbines, rocket engines, and other challenging environments, including nuclear power and ...
Nickel-based superalloys are commonly known as its exceptional combination of high temperature strength, toughness, and resistance to degradation in corrosive or oxidizing environments. Currently, it is commonly used for aircraft and power-generation turbines, rocket engines, and other challenging environments, including nuclear power and ...
Alloy Nano / Micro Particle. Superalloys; Others; Medium Entropy Alloy Powder; High Entropy Alloy Powder; Ni-based Metal Powder; Cu-based Metal Powder; Co-based Metal Powder; Ti-based Metal Powder; Fe-based Metal Powder; Compound Nano/Micro Powder; ... M2 Stainless steel Powder: Chemical composition %
In contrast to many studies on LSP-treated wrought Ni-based superalloys, there were no nano-twins40, 58 or nano-grains39 near the surface; however, similar observations were made in shot-peened RR1000,56 suggesting that, for these alloys (PM superalloys), the surface treatment introduces large plastic deformation mainly by …
Nano-TiC particles are obtained by thermal arc plasma nano-powder preparation technology. This method has been reported in previous work to obtain …
The formation of MC carbide was promoted by introducing nano-TiC into the melt of Ni-Cr-W superalloys, which transformed the grains from columnar to equiaxed. ... Nano-TiC particles are obtained by thermal arc plasma nano-powder preparation technology. This method has been reported in previous work to obtain nanopowder …
This new processing technique employed resonant acoustic mixing to coat an equiatomic NiCoCr powder with nano-scale yttrium oxides. ... The DS-superalloys …
Nickel-based superalloys are commonly known as its exceptional combination of high temperature strength, toughness, and resistance to degradation in corrosive or oxidizing environments. Currently, it is commonly used for aircraft and power-generation turbines, rocket engines, and other challenging environments, including nuclear power and ...
Nickel-based superalloys are commonly known as its exceptional combination of high temperature strength, toughness, and resistance to degradation in corrosive or oxidizing environments. Currently, it is commonly used for aircraft and power-generation turbines, rocket engines, and other challenging environments, including nuclear power and ...
Alloy Nano / Micro Particle. Superalloys; Others; Medium Entropy Alloy Powder; High Entropy Alloy Powder; Ni-based Metal Powder; Cu-based Metal Powder; Co-based Metal Powder; Ti-based Metal Powder; Fe-based Metal Powder; Compound Nano/Micro Powder; ... InVar36 Stainless steel Powder: Chemical composition %
Ti-based Metal Powder Products ListAs human life span grows, the need of biomaterials will definitely continue to increase. This can stimulate the market and research process in a large scale. However, from the application viewpoint, there is still a huge gap between the supply and demand, especially in economically underdeveloped areas where medical …
Superalloys have been fabricated by almost all of the metal AM processes. However, compared with indirect and solid-state AM processes (e.g., binder jetting), powder fusion-based AM processes (e.g., powder bed fusion ... Nano-indentation tests show that these oxides are significantly harder than the γ matrix, suggesting that they …
Hot isostatic pressing (HIP) is a near-net shape powder metallurgy (PM) technique, which has emerged as an efficient technique, offering precise control over the …
Nano Y 2 O 3 particle enhanced IN718 nickel-based superalloy fabricated by laser powder bed fusion. ... Nickel-based superalloys are widely employed in power generation, …
Metal Oxide Nano/Micro Powder; Molecular Sieve; Mica; Bioactive Ceramic; Bioactive Powder. Others; Bioglass; Hydroxyapatite; Metal Materials. Alloy Nano / Micro Particle. Superalloys; Others; Medium Entropy Alloy Powder; High Entropy Alloy Powder; Ni-based Metal Powder; Cu-based Metal Powder; Co-based Metal Powder; Ti-based Metal …
Nickel-based superalloys are commonly known as its exceptional combination of high temperature strength, toughness, and resistance to degradation in corrosive or oxidizing environments. Currently, it is commonly used for aircraft and power-generation turbines, rocket engines, and other challenging environments, including nuclear power and ...
Nickel-based superalloys are commonly known as its exceptional combination of high temperature strength, toughness, and resistance to degradation in corrosive or oxidizing environments. Currently, it is commonly used for aircraft and power-generation turbines, rocket engines, and other challenging environments, including nuclear power and ...
1. Introduction. CoCrNi-based superalloys exhibit wide applications in aero-space engine blades and nuclear power fields [[1], [2], [3]] due to their prominent high-temperature mechanical properties [[4], [5], [6]].To further enhance the strength and durability, the common strategies are involved dislocation strengthening by cold work [7], …
The wear performance of nano-multilayered TiAlCrSiYN/TiAlCrN coatings during machining of direct aged Inconel (DA) 718 and powder metallurgical ME 16 Ni-based superalloys has been investigated. The kinetic coefficient of friction under metal cutting conditions of Inconel was measured. The temperature range was 25–1000 …