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IPC Subgroup
C04B 35/64

Burning or sintering processes

Introduced: September 1968

Last revised: January 2006

Full Title

Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products > Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products > Burning or sintering processes

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
Subclass:
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE

Scope Notes

Glossary: selective laser sintering (SLS) selective laser sintering SLS a layer of ceramic powder is deposited on a support and possibly compacted by a rolling device. A computer-controlled laser beam scans a two-dimensional [2D] cross-section of a part, selectively sintering the layer. A new layer of powder is deposited, compacted and sintered. After completion of the part, the unfused or unsintered powder, which helps hold the part during the process, is removed. This technique may allow local composition variations for gradient materials or manufacture of composites. | Limiting references: Burning methods for clay-wares Furnaces, kilns, ovens or retorts, e.g. chamber type furnaces , e.g. Travelling or movable supports or containers for the charge of furnaces, kilns, ovens, retorts in so far as they are of kinds occurring in more than one kind of furnace

Related Keywords

BURNING -processes for making ceramicsburning or sintering CERAMIC(S)SINTERING -processes for making ceramics

2 direct subcodes

Child Classifications

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  • C04B 35/645 Pressure sintering
  • C04B 35/65 Reaction sintering of free metal- or free silicon-containing compositions