liquid-state sintering

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• Sintering — is a method used to create objects from powders. It is based on atomic diffusion. Diffusion occurs in any material above absolute zero but it occurs much faster at higher temperatures. In most sintering processes the powdered material is held in… …   Wikipedia

• Selective laser sintering — An SLS machine being used at the Centro Renato Archer in Brazil. Selective laser sintering (SLS) is an additive manufacturing technique that uses a high power laser (for example, a carbon dioxide laser) to fuse small particles of plastic, metal… …   Wikipedia

• advanced ceramics — ▪ ceramics Introduction       substances and processes used in the development and manufacture of ceramic materials that exhibit special properties.       As is pointed out in the article ceramic composition and properties, ceramics are… …   Universalium

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …   Wikipedia

• Ceramic engineering — Simulation of the outside of the Space Shuttle as it heats up to over 1,500 °C (2,730 °F) during re entry into the Earth s atmosphere Ceramic engineering is the science and technology of creating objects from inorganic, non metallic… …   Wikipedia

• Silicon nitride — Preferred IUPAC name Silicon nitride …   Wikipedia

• refractory — refractorily, adv. refractoriness, n. /ri frak teuh ree/, adj., n., pl. refractories. adj. 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or… …   Universalium

• Colloidal crystal — A colloidal crystal is an ordered array of colloid particles, analogous to a standard crystal whose repeating subunits are atoms or molecules.[1] A natural example of this phenomenon can be found in the gem opal, where spheres of silica assume a… …   Wikipedia

• STS-83 — Infobox Space mission mission name = STS 83 insignia = Sts 83 patch.png shuttle = Columbia launch pad = 39 A launch = April 4, 1997, 2:20:32.074 p.m. EST landing = April 8, 1997, 2:33 p.m. EDT, KSC, Runway 15 duration = 3 days, 23 hours, 13… …   Wikipedia

• STS-94 — Infobox Space mission mission name = STS 94 insignia = Sts 94 patch.png shuttle = Columbia launch pad = 39 A launch = July 1, 1997, 2:02:02 p.m. EDT landing = July 17, 1997, 6:47:29 a.m. EDT, KSC, Runway 33 duration = 15 days, 16 hours, 45… …   Wikipedia