activated sintering
Electrical field activated sintering and forming of micro components
... As the demand for miniature products has increased significantly, so also has the need for these products to be produced in a rapid, flexible and cost efficient manner. The application of electroplasticity shows ...
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Forming of miniature components from powders by combining field-activated sintering and micro-forming
... conventional sintering and metal-powder injection moulding would need longer process ...Field- activated Sintering Technique (FAST) [2] and Micro-forming, was developed with a view to addressing the ...
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Effect of particle size on densification of copper powder during electric-field activated sintering for micro-scale forming
... A novel Micro-forming technology, called electric-field activated sintering for micro-scale forming (Micro-FAST), was introduced for the forming of micro-components. The effect of particle size on ...
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Simulation of heat distribution in particles during micro field-activated sintering by considering electrical concentration and contact resistance
... Abstract. Finite element simulations have been conducted to investigate the heat distribution between the particles from contact resistance and current density during the Micro-forming Fields Activated ...
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Microstructure evolution and surface cleaning of Cu nanoparticles during micro-fields activated sintering technology
... Abstract. For the purpose of extensive utilization of powder metallurgy to micro/nano- fabrication of materials, the micro gear was prepared by a novel method, named as micro- forming fields activated ...
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Effect of soaking time on the preparation of porous NiTi alloy during micro-forming fields activated sintering
... same sintering temperature 1100 ◦ C, so there is no difference about the reactions types conducted during Micro-FAST sintering with different soaking ...
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Synthesis of TiC-Al2O3 Nanocomposite from Impure TiO2 by Mechanical Activated Sintering
... After the evaluation of milled powders, for completion of reactions and desired phases, also investigating the milling effect on the activated materials and TiC synthesizing temperature, heat treatment was ...
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Forming of titanium and titanium alloy miniature-cylinders by electrical-field activated powder sintering and forming
... Abstract. As demands on miniature products increase significantly, a rapid process and production system for high-throughput, highly flexible and cost-efficient volume production of miniaturised components made from a ...
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Effects of sintering temperature on the densification of WC-6Co cemented carbides sintered by coupled multi-physical-fields activated technology
... a sintering method named as coupled multi- physical-fields activated sintering technology [19] was put forward for the sintering of WC-6Co cemented ...low sintering temperature, short ...
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Fabrication of micro components with MSZ material using electrical-field activated powder sintering technology
... of the punch and the die must be less than that of the powder material being tested. to prevent any stuck between the punch and the die or sample becoming stuck during the ejection process. In addition, by using ...
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Sintering kinetics of the powder during fields-activated micro-forming and sintering (Micro-FAST) of copper micro-gears
... In recent decades, the development towards miniaturization of products and devices in industries such as electronics, optics, communications, etc. has increased the demand for metallic parts manufactured at micro-scale. ...
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Forming alumina (Al2O3) by micro-FAST
... powder- sintering method involves a coarsening or neck growth, which is a critical mechanism needed in order to achieve ...powder sintering is taking long time to be ...(Field-activated ...
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Sintering Aids in Powder Metallurgy184-195
... In an attempt to clarify the mechanism of activated sintering, which they had earlier attributed to the activating metal acting as a carrier phase for the diffusion[r] ...
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Effect of sintering temperature on densification of WC-6Co cemented carbide sintered by coupled multi-physical fields activated technology
... different sintering temperature settings. It can be seen that the sintering temperature has obvious effect on grain size, and the grain size of samples sintered by couple multi-physical fields ...
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Single Phase Li4Ti5O12 Synthesis for Nanoparticles by Two Steps Sintering
... TEM images of the samples showed in Figure 7, and the shape of the grain indicated uniformity in any sam- ples. Furthermore, morphology was improved at the sintering temperature of 750˚C compared with at 700˚C, ...
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Sintering Kinetics of Soft Doped PZT (54/46) Systems
... the sintering time. The sintering kinetics of the dopant used for 1 wt% allows determining the mecha- nism that prevails in the ...viscous sintering, which provides a rela- tionship between ...
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Phase Changes during Microwave Sintering of Vanadium Containing Slag
... δ= diametric tensile strength, Ρ = load applied at failure, T = Thickness of the sample, D=diameter of the sample. The structural changes and phase transformation has better studied using X-Ray diffraction. The densities ...
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Improvement on mechanical properties sodium feldspar for porcelains tableware
... 11 ceramic grains, and this is accompanied by densification and reduction of porosity. Therefore, shrinkage occurs in the polycrystalline material in addition to the shrinkage that has already occurred in drying. ...
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HOT FORGING OF POWDERED Fe3Al INTERMETALLIC ALLOYS
... At the same time, there was a series of works, pointing to prospects for the use of products from Fe-Al intermetallic powder metallurgy techniques such as hot isostatic pressing, extrusion, hot forging or pressing and ...
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Effect of Pulsed Magnetic Field on Spark Plasma Sintering of Iron Based Powders
... After sintering by coupling a pulsed magnetic field of ...that sintering temper- ature rises with the coupled pulsed magnetic field strength increasing, as the temperature greatly determines the diffu- sion ...
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