Sintering is a process that consists in the thermal agglomeration of a mixture of fines that comprise iron ore, recycled iron and steelmaking products, slag-forming elements, and …
— When the disk type separation membrane could fabricate to dense structured membrane by hot press sintering (HPS) process [8]. In Xiaojuan Hu's previous study, the nitrogen flux through the fresh Al 2 O 3 substrate reaches about 1300 m 3 /(m 2 h bar), whereas that through the Pd/Al 2 O 3 membrane is still as high as about 240 m 3 /(m 2 h …
— The hybrid pelletized sinter process is an effective method to utilize low-grade iron ore fines directly as a sinter feed. The hybrid pelletized sintering (HPS) process is a non-conventional ...
— with hot pressing sintering (HPS) process. The thickness of the surfac e layer reached 1.1 mm, far exceeding the strengthening layer prepared by the traditional surface modi-
Direct metal laser sintering, or DMLS, is a cutting-edge 3D method enabling the production of detailed, intricate metal parts. It uses a high-powered laser to selectively melt and fuse powdered metal into the desired shape. This process of creating a solid object through heat and pressure is called sintering.
— Owing to the process characteristics of solid-state synthesis, hot press sintering (HPS) has become the preferred process for HEA fabrication [[13], [14], [15]]. Sakar E et al. optimized the hot-pressing sintering process to endow it with advantages such as a wide processing range, high raw material utilization, and low production costs …
Sintering is a process that consists in the thermal agglomeration of a mixture of fines that comprise iron ore, recycled iron and steelmaking products, slag-forming ... HPS process, hybrid pelletized sinter; MEBIOS, mosaic embedding iron ore sintering; and, CAP, composite agglomeration process. Different parameters
Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents, and solid fuel (coke). The purpose of the sintering process is manufacturing a product with the suitable characteristics (thermal, mechanical, physical and chemical) to be fed to the blast furnace.
Spark plasma sintering has also been applied for fabrication of extra hard/high wear resistance materials for cutting, aspheric glass-lens mould, sandblasting nozzles and extruding machine screws; and is a popular technique for the fabrication of FGMs, intermetallic compounds, fibre reinforced ceramic matrix composite (FR-CMCs), MMCs …
— Abstract The W–La2O3–Y2O3–ZrO2 materials were prepared by vacuum hot pressing sintering process. The microstructure was characterized by scanning electron microscopy (SEM). The effects of sintering temperature, sintering pressure, holding time and heating rate on relative density, hardness and microstructure were studied. The …
— The graphene had known new materials which have a high electro-conductivity and oxidation resistance. It was a good catalyst and thus big issue material. In accordance, fabrication of TiN–graphene membrane was prepared disk type of ceramic dense membrane by hot press sintering (HPS) process.
— To utilize the iron ore fines in plants, Nippon Kokan Keihin company (presently, JFE Steel Corporation) developed the HPS process. 4 Investigators have tried to improve the utilization of iron ore fines in sinter beds by making HPS. 5,6 The HPS process is a modified form of the conventional sintering process. In this HPS process, iron ore …
— The Sintering Process. Sintering works in a three-stage process: A primary part powder blend, with a bonding agent, is formed into a desired shape. The bonding agent sticks the powder together to make …
Spark Plasma Sintering: Process Fundamentals Pasquale Cavaliere, B. Sadeghi, and A. Shabani 1 Introduction Sintering refers to the process of firing and consolidating powders at temperatures lower than their melting point, where diffusional mass transport leads to bonding between particles and the formation of a dense body. Bulk samples could be
Corporation) developed the HPS process.4 Investigators have tried to improve the utilization of iron ore finesin sinter beds by making HPS.5,6 The HPS process is a modifiedform of the conventional sintering process. In this HPS process, iron ore finesare pelletized to produce micro pellets. Green micro-
— sintering process. Zhang et al. [2] have shown first evidence for the occurrence of a spark . Citation: Le Godec, Y.; Le Floch, S. Recent Developments of . High-Pressure Spark Plasma .
— The sintering step of the HPS process was described in detail in our previous article (Ref 15). The sintering process parameters for high temperature and high pressure are sintering pressure of 5.5 GPa, sintering temperature of 1000 °C, and holding time of 10 minutes. The resultant samples are then further annealed in air for 10 hours …
— Hot-press sintering (HPS) used a graphite die. The Ce 0.5 Gd 0.5 PO 4 monazite ceramics were prepared by HPS at 1150 °C for 2 h and a pressure of 30 MPa with a heating rate of 10 °C/min and a vacuum pressure less than 10 Pa. The residual carbon was removed with a muffle furnace sintering at 900 °C for 2 h.
— Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents, and solid fuel (coke). The purpose of the sintering process is manufacturing a product with the suitable characteristics (thermal, mechanical, physical and chemical) to be fed to the blast furnace.
— Spark plasma sintering (SPS) is an advanced pressure-assisted sintering technology that combines the application of uniaxial pressure with rapid curre…
— Due to the pulsed electric current and the spark plasma effect, the SPS process is capable of introducing simultaneous rapid heating and cooling rates; …
An in-situ HPS sintering device that can be coupled to a laboratory X-ray microscope has been developed in this study. With the help of this device, in-situ 3D visualizations of the microstructural evolution of 7055 aluminum alloys during the HPS process were conducted.
— The Mg-7Gd-4Y-2Zn-0.4Zr scraps were solid state recycled through hot pressing sintering (HPS) and spark plasma sintering (SPS). Rotary extrusion with different parameters were conducted on the homogenized, hot-pressed sintered and spark plasma sintered alloy. ... For the HPS process, the scraps were loaded into the mold, and the …
— Spark plasma sintering (SPS) is a type of pulsed electric current-assisted sintering technique. This method allows for rapid consolidation of powder materials into dense bulk when simultaneously applying uniaxial pressure and pulsed electrical current in a vacuum or protective atmosphere. Many scholars and researchers have realized the …
— Nb-Si based ultrahigh-temperature alloys with the composition of Nb-22Ti-15Si-5Cr-3Al (atomic percentage, at. %) were prepared by hot press sintering (HPS) at 1250, 1350, 1400, 1450 and …
— In December 2002, Companhia Siderurgica Belgo-Mineira, Brazil incorporated the HPS (Hybrid Pelletized Sinter) process to its sinter plant in Monlevade Works.
As shown in Fig. 3, plenty of novel sintering techniques for the solid-phase sintering process have been developed, such as hot-pressing sintering (HPS) [11,31], cold-pressing sintering (CPS) [32–34], spark plasma sintering (SPS) [35,36], and microwave sintering (MWS) [37–39]. Among them, the SPS, a rapid sintering process, can ...
— HPS (Hybrid Pelletized Sinter, two-stage drums one-stage disc) mixing and pelletizing process. HPS mixing pellet sintering, belonging to the mini pellet sintering process, mixes iron ore fines, return fines, fluxes, and fuel with water to form mini pellets with a diameter of 5-10mm. These mini pellets are coated with a certain proportion of ...
— HPS (Hybrid Pelletized Sinter, two-stage drums one-stage disc) mixing and pelletizing process. HPS mixing pellet sintering, belonging to the mini pellet sintering …
— TCN–50 wt.%Pd/Ag, too, is denser than the membrane after CIP process only due to sintering that leads to more condensed particles.Hydrogen permeability of TCN–Ni membrane after CIP process and that of TCN–Ni membrane after HPS process is shown in Fig. 3: the permeability is 2.04 × 10 −5 mol/m s Pa 1/2 for the former, and 1.53 × 10 −8 …
A machine-learning approach using a multi-layered neural network (NN) with application to a sintering process in an iron- and steel-making plant induces 'operational rules' that determine operational conditions to obtain products that meet a given quality specification. This paper presents a machine-learning approach using a multi-layered neural network …
— The optimization of plasma sintering process parameters (sintering temperature, pressure and holding time) to obtain high tc diamond/copper composites was reported by wang et al. [38]. The TC of the composite reached a maximum of 258.04 W/m·K at 900 °C, 60Mpa and 40 min sintering process parameters. In addition, some …
— Spark plasma sintering (SPS), also called pulsed electric current sintering (PECS) or field-assisted sintering technique (FAST) is a technique for sintering powder under moderate uniaxial...
