Search results
Results from the WOW.Com Content Network
When sufficient sintering has taken place, the ceramic body will no longer break down in water; additional sintering can reduce the porosity of the ceramic, increase the bond area between ceramic particles, and increase the material strength. [5] Industrial procedures to create ceramic objects via sintering of powders generally include: [6]
Raj and his students first published a work on flash sintering in the Journal of the American Ceramic Society where they showed that yttrium-stabilized zirconia can be sintered in a few seconds at a furnace temperature of ~850 °C to full density. The advantage of this technique over other sintering techniques is the short time to achieve full ...
Unfired clay is a common example of a green body. A green body is an object whose main constituent is weakly bound clay material, usually in the form of bonded powder or plates before it has been sintered or fired.
Compaction of ceramic powders is a forming technique for ceramics in which granular ceramic materials are made cohesive through mechanical densification, either by hot or cold pressing. The resulting green part must later be sintered in a kiln. The compaction process permits an efficient production of parts to close tolerances with low drying ...
Ceramic" may be used as a noun in the singular to refer to a ceramic material or the product of ceramic manufacture, or as an adjective. Ceramics is the making of things out of ceramic materials. Ceramic engineering, like many sciences, evolved from a different discipline by today's standards.
He contributed greatly to methods for processing ceramics, particularly sintering, a method for creating objects out of powders by heating them until they bond. [5] He wrote a series of books on ceramics, culminating in Introduction to Ceramics, a book that became the "founding treatise" for ceramics. [6] Kingery became a full professor in 1962.
Ceramic material is an inorganic, metallic oxide, nitride, or carbide material. Some elements, such as carbon or silicon, may be considered ceramics. Ceramic materials are brittle, hard, strong in compression, and weak in shearing and tension. They withstand the chemical erosion that occurs in other materials subjected to acidic or caustic ...
Because there is usually no pressing and sintering, glass-ceramics have no pores, unlike sintered ceramics. A wide variety of glass-ceramic systems exist, e.g., the Li 2 O × Al 2 O 3 × nSiO 2 system (LAS system), the MgO × Al 2 O 3 × nSiO 2 system (MAS system), and the ZnO × Al 2 O 3 × nSiO 2 system (ZAS system).