| Originally, niobium metal was produced by powder metallurgy methods which involved high temperature vacuum sintering and carbon reduction. |
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| Two methods were used to determine, in non-isothermal conditions, the sintering activation energy of UO2 and UO2+x oxides. |
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| The efflorescence and sintering of desulfurizer had not been found through checking after examinatorial test. |
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| The parts are then placed in a sintering furnace, where any remaining binder is removed and the parts are sintered to their final dimensions. |
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| With Finex, coal and ore are turned into iron without coking and sintering. |
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| It uses special sintering technology to enrobe the powdered milk centre with milk or white chocolate. |
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| This process allows the diamonds to adhere to the bit and not grind down as quickly as other sintering processes. |
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| This sintering, similar to the firing of other ceramic ware, produces a dense ceramic pellet. |
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| After sintering at 900 °C, any significant modification is observed: the samples are pulverulent dark brown powders. |
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| However, useful tools can be made by mixing WC powder with cobalt powder and sintering at a temperature above the melting point of cobalt. |
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| Steel mills usually have their own sintering plants since sinter tends to disintegrate during transportation. |
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| Fines, however, must first be agglomerated, which means reforming them into lumps of suitable size by a process called sintering. |
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| It has a much smaller particle size than ore fines and cannot be agglomerated by sintering. |
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| The sintering process is a pre-treatment step in the production of iron where fine particles of metal ores are agglomerated by combustion. |
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| In order to take advantage of the fines, two agglomeration processes were subsequently developed: sintering and pelletising. |
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| The problem of debris from the smashed part interfering with gases that must pass through tiny tubes was solved by sintering a filter into a central gasket. |
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| Instead of sintering a layer by scanning it with a laser beam, his system quickly fuses the whole layer under an oven-like electric or gas heater. |
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| The powder sample was pressed into pellet and characterized by dilatometry to study its sintering properties. |
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| Development and implementation of a measuring device allowing to make an in-line estimate of the sinter reducibility on the ore sintering strand. |
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| Their new orthesis ORM produced by laser sintering of polyamide powder should allow the company to establish its presence in France and abroad. |
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| Approximately 6 hours of sintering is required for the zirconia to attain its full strength and toughness. |
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| Among the 3D printing technologies used by Morris Technologies is laser sintering. |
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| Components are made by sintering it in powder form in a mould, at 1,000ºC, for several hours. |
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| In this way the thickened sludge is also recycled as a useful raw material in the sintering plants. |
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| Depending on demands and applications in the engines, different powder materials are used in the sintering process. |
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| Boilers enable to burn also fuels with a high percentage of sintering ashes. |
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| Ontario is implementing the increasingly stringent CWS standards for existing iron sintering and electric arc furnaces facilities. |
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| Valve seat insert are either produced in a centrifugal casting process or by sintering. |
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| Standards for the steel manufacturing and iron sintering sectors are being developed through Environment Canada's Strategic Options Process. |
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| Warning regarding the removal of the sintering chamber This product contains ceramic fibres and may release fibre dust. |
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| The ceramic substrates can be either dense or porous after sintering with the deposited film, depending on the requirements for the substrate. |
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| The powder injection moulding manufacturing process comprises the initial injection moulding, debinding and sintering of the moulded parts. |
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| Over time, sintering reduces the cross section of the pipe and causes blockages. |
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| We examined in more detail the interaction between micro-size powders of ceria and zirconia during the sintering process and the influence of sintering aids on the densification process and the interactions. |
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| For a porous catalytic surface, the pores may collapse due to sintering, resulting in loss of surface area. |
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| Powder can be spread onto a tray and then solidified in the required pattern with a squirt of a liquid binder or by sintering it with a laser or an electron beam. |
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| However, these factors are also the circumstances under which sintering is occurring. |
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| On the other hand, by alloying catalysts with other materials, sintering can be reduced. |
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| Catalysts that operate at higher temperatures, such as a car catalyst, use structural improvements to reduce or prevent sintering. |
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| Effect of sintering temperature in physical-mechanical behavior and in titanium-hydroxyapatite composite sinterability. |
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| Laser sintering is one of the most established and widely used AM techniques. |
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| Martin and Mao formed foams by sintering high-melt-flow-index polymers mixed with a thermal conductor. |
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| Starting in 1989 as a pioneer in rapid prototyping, using stereolithography and laser sintering, the company expanded into tool making to increase its range of services and now employs 60 people. |
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| The last three materials-based papers interweave the theoretical sintering aspects in order to achieve a successfully alloy design. |
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| Close the furnace head or select a sintering program. |
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| The benefits of this method were proved for the sintering of refractory metals as well as conductive carbide or nitride powders. |
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| This originated sintering methods employing pulsed or alternating current, eventually superimposed to a direct current. |
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| However, after commercialization it was determined there is no plasma, so the proper name is spark sintering as coined by Lenel. |
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| It is characterized by a very low sintering time allowing machines to sinter at the same speed as a compaction press. |
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| A number of fuels can be tested quickly enabling examination of fuel properties which could give rise to problems, ie: clinking, sintering, carbon loss, particulate emissions, and grate combustion ratings. |
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| Experiments with zirconia have been performed to optimize the sintering temperature and sintering rate for CRH method. |
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| Since densification of powders requires high temperatures, grain growth naturally occurs during sintering. |
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| The sample will then be cooled down and held at the second sintering temperature until densification is completed. |
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| The forming gas is used in conveyer furnaces and in tube furnaces for anneal processes in a reducing atmosphere, brazing, sintering, deoxidation, and nitrization. |
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| Magnesium phosphates and calcium phosphates are the examples which have been processed through microwave sintering technique. |
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| Primary steel production processes include iron sintering, cokemaking, iron and steelmaking, hot and cold forming, coating operations, and associated production and ancillary processes and facilities. |
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| The different paths the atoms take to get from one spot to another are the sintering mechanisms. |
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| We concluded that despite the decrease of the sintering temperature achieved by the sintering aids, the formation of a new phase between zirconia and ceria seems inevitable during the cell fabrication. |
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| Be sure to observe the information on design, postprocessing and sintering of zirconia provided in the Operating Instructions for inCoris ZI meso blocks. |
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| Tumanov, Solid solution formation at the sintering of hydroxyapatite fluorapatite ceramics. |
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| Production by extrusion, drying and sintering at high temperature of the ceramic substrates which, after impregnation and assembly, will be delivered to all the large European car manufacturers. |
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| Result: the Narval Laboratories acquired a laser sintering machine. |
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| Iron ore sintering serves as a perfect example. |
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| Protogenic offers stereolithography, selective laser sintering, and 3D printing, as well as cast urethane and silicone. |
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| A final sintering for 10 hours is required for densification. |
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| The process required pressing tungsten powder into bars, then several steps of sintering, swaging, and then wire drawing. |
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| Plastic materials are formed by sintering for applications that require materials of specific porosity. |
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| For materials which are difficult to sinter, a process called liquid phase sintering is commonly used. |
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| Materials for which liquid phase sintering is common are Si3N4, WC, SiC, and more. |
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| Liquid phase sintering is the process of adding an additive to the powder which will melt before the matrix phase. |
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| Liquid phase sintering was successfully applied to improve grain growth of thin semiconductor layers from nanoparticle precursor films. |
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| Bloxam registered in 1906 the first patent on sintering powders using direct current in vacuum. |
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| After having passed the drying zone, the raw material moves down the kiln to be calcined and burnt to clinker in the sintering zone, thus forming the clinker. |
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| In 1913, Weintraub and Rush patented a modified sintering method which combined electric current with pressure. |
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| Some materials, including magnesite and dolomite, require firing in rotary kilns to bring about sintering and densification before the crushed and sized material can be fabricated into refractory shapes and refired. |
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| A sintering machine, or blast roaster, can conduct oxidizing or reducing roasts and then agglomerate the roasted calcines, or it can be used for agglomeration alone. |
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| Not only can a high-power microwave oven be used to cook food, it can be harnessed for joining, carburizing, sintering, brazing, nitriding, and annealing metal parts. |
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| Typical applications include processes involving annealing, brazing, carburizing, hardening, nitriding, normalizing, sintering, stress relieving and tempering. |
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| In geology a natural sintering occurs when a mineral spring brings about a deposition of chemical sediment or crust, for example as of porous silica. |
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| By the proposed method we can manufacture contact electrodes for pressure spot welding eliminating the disadvantages of the sintering process and powder manufacturing. |
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| Topics include properties, types, processing metallic-ceramic composite powders, sintering of ulrafine and nanosized ceramic and metallic particles, and applications. |
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| The potential utilization of two-stage sintering for the production of highly dense and pure nickel diniobate ceramics with low firing temperature was demonstrated. |
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| Temperature rise in the fluidized bed, especially in the gasification zone in the deoxidation medium, caused ash sintering and collapse of fluidization. |
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| The electric field driven densification supplements sintering with a form of hot pressing, to enable lower temperatures and shorter amount of time than typical sintering. |
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| Several prototyping processes can produce a mold or core rapidly without developing a model through stereolithography, selective laser sintering or fused deposition modeling. |
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| In microwave sintering, heat is sometimes generated internally within the material, rather than via surface radiative heat transfer from an external heat source. |
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| These techniques employ electric currents to drive or enhance sintering. |
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| An example of sintering can be observed when ice cubes in a glass of water adhere to each other, which is driven by the temperature difference between the water and the ice. |
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| Some ceramic raw materials have a lower affinity for water and a lower plasticity index than clay, requiring organic additives in the stages before sintering. |
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| For materials that have high melting points such as molybdenum, tungsten, rhenium, tantalum, osmium and carbon, sintering is one of the few viable manufacturing processes. |
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| Almost any substance can be obtained in powder form, through either chemical, mechanical or physical processes, so basically any material can be obtained through sintering. |
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