
1) Industrial process 2) Sedimentary rock
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https://www.crosswordclues.com/clue/sintering

Sintering is the process of forming a solid mass of material by heat and/or pressure without melting it to the point of liquefaction. Sintering happens naturally in mineral deposits or as a manufacturing process used with metals, ceramics, plastics, and other materials. The atoms in the materials diffuse across the boundaries of the particles, fus...
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http://en.wikipedia.org/wiki/Sintering

the welding together of small particles of metal by applying heat below the melting point. The process may be used in steel manufacturingto form ... [10 related articles]
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http://www.britannica.com/eb/a-z/s/101

heat treatment to form interconnected bulk material through solid state diffusion, neck growth, grain boundary movement etc, from powdered materials
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=815-05-27

(i) Converting soft, loose ores or concentrates to a clinker-like consistency by roasting. (ii) Compacting particulate powder metals etc. by pressure and heat.
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http://www.metalbulletin.com/Glossary.html

The heating process that transforms a green ceramic and densifies the material into a stronger state.
Found on
http://www.morgantechnicalceramics.com/glossary.htm

Heating a mixture of powdered metals, sometimes under pressure, to the melting-point of the metal in the mixture which has the lowest melting-point, the melted metal binding together the harder particles.
Found on
http://www.mpoweruk.com/glossary.htm

Sintering is the process of heating strongly a quantity of more or less amorphous material, so causing it to coalesce into a single solid mass.
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http://www.probertencyclopaedia.com/browse/GS.HTM

A process which combines ores too fine for efficient blast furnace use with flux stone. The mixture is heated to form lumps, which allow better draft in the blast furnace.
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https://annualreview2015.arcelormittal.com/fact-book/additional-information

the bonding together of ice crystals.
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https://nsidc.org/cryosphere/glossary?page=22

A process that combines iron-bearing particles, once recovered from environmental control filters, into small pellets. Previously, these materials were too fine to withstand the air currents of the smelting process and were thrown away. The iron is now conserved because the chunks can be charged into the blast furnace (see Agglomerating Processes)....
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https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

Bonding of adjacent surfaces of particles in a mass of metal powders, or in a compact, by heating
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https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

Converting powder into a continuous mass by heating to a temperature considerably below fusion, usually after preliminary compacting by pressure.
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https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

The adhesion and densification of particles of a single compound on heating.
Found on
https://walkerceramics.com.au/resources/glossary-of-ceramic-terms/

The process of bonding (fusing) of adjacent surfaces in a mass of particles by molecular or atomic attraction on heating at high temperatures below the melting temperature of any constituent in the material. Sintering strengthens a powder mass and normally produces densification and, in powdered metals, recrystallization.
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https://www.countryknives.com/knife-knowledge/steel-glossary/

The sticking together of materials prior to melting.
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https://www.cromartiehobbycraft.co.uk/AdditionalDepartments/Footer-Content/

The partial welding together of powder particles at temperature near the melting point.
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https://www.emcoplastics.com/plastic-glossary-of-terms/

Heating a mass of fine particles for a prolonged time below the melting point, usually to causeagglomeration.
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https://www.encyclo.co.uk/local/20687

Manufacturing process in which sinter is produced from fine raw iron ore, small coke, sand-sized limestone and numerous other steel plant waste materials that contain some iron. These fine materials are proportioned to obtain a desired product chemistry then mixed together. This raw material mix is then placed on a sintering strand, which is simila...
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https://www.encyclo.co.uk/local/22733

A process in which fine materials (typically iron ore fines and coke breeze) are combined into a porous mass that can be used in the blast furnace
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https://www.steelonthenet.com/files/glossary-5.html

In forming articles from fusible powders (e.g. nylon), the process of holding the pressed-powder article at a temperature just below its melting point for about 1/2 hour. Particles are fused (sintered) together, but the mass as a whole does not melt.
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https://www.teampti.com/glossary-of-terms/

Bonding of adjacent surfaces of particles in a mass of metal powders, or in a compact, by heating.
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https://www.unifiedalloys.com/resources/glossary/

Converting powder into a continuous mass by heating to a temperature considerably below fusion, usually after preliminary compacting by pressure.
Found on
https://www.unifiedalloys.com/resources/glossary/

A process that combines ores too fine for efficient blast furnace use with flux stone. The mixture is heated to form clumps, which allow better draft in the blast furnace.
Found on
https://www.worldsteel.org/about-steel/steel-glossary.html
No exact match found.