WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B22F　WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER (processes or devices for granulating materials in general B01J 2/00; making ceramics by compacting or sintering C04B, e.g. C04B 35/64; for the production of metals as such, see class C22; reduction or decomposition of metal compounds in general C22B; making alloys by powder metallurgy C22C; electrolytic production of metal powder C25C 5/00)

B22F 1/00 Special treatment of metallic powder, e.g. to facilitate working, to improve properties {(treatment of powder by mechanical means, e.g. by grinding, milling, rolling B22F 9/04)}; Metallic powders per se, e.g. mixtures of particles of different composition (C04, C08 take precedence; {amorphous powder B22F 9/002})

B22F 1/0003 ・{Metallic powders per se; Mixtures of metallic powders; Metallic powders mixed with a lubricating or binding agent (making ferrous alloys using a mixture of prealloyed powders C22C 33/0207)}

B22F 1/0007 ・・{Metallic powder characterised by its shape or structure, e.g. fibre structure }

B22F 1/0011 ・・・{Metallic powder characterised by size or surface area only}

B22F 1/0014 ・・・・{by size mixtures or distribution}

B22F 1/0018 ・・・・{Nanometer sized particles}

B22F 1/0022 ・・・・・{Dispersions or suspensions thereof}{WARNING: Not complete, see also B22F 1/0018}

B22F 1/0025 ・・・・・{Nanofibres or nanotubes}{WARNING: Not complete, see also B22F 1/0018}

B22F 1/004 ・・・{Fibre structure (B22F 1/0025 takes precedence)}

B22F 1/0044 ・・・{Nanometer size structures}

B22F 1/0048 ・・・{Spherical powder}

B22F 1/0051 ・・・・{Hollow particles}

B22F 1/0055 ・・・{Flake form powders}{WARNING: Not complete, see also B22F 1/0007}

B22F 1/0059 ・・{Metallic powders mixed with a lubricating or binding agent or organic material}

B22F 1/0062 ・・・{Powders coated with organic material}

B22F 1/007 ・・・{Non-organic or metal salt binders or lubricants}

B22F 1/0074 ・・・{Organic materials comprising a solvent e.g. for slip casting}

B22F 1/0077 ・・・{Mixtures obtained by warm mixing}

B22F 1/0081 ・{Special treatment of metallic powder, e.g. to facilitate working, to improve properties (coating with organic material B22F 1/0062)}

B22F 1/0085 ・・{Thermal or thermo-mechanical treatment}

B22F 1/0088 ・・{Chemical treatment, e.g. passivation}

B22F 1/0096 ・・{Treatment resulting in the production of agglomerates}

B22F 1/02 ・comprising coating of the powder {(coating with organic material B22F 1/0062; chemical surface treatment B22F 1/0088)}

B22F 1/025 ・・{Metallic coating}

B22F 3/00 Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor; {Presses and furnaces}

B22F 3/001 ・{Starting from powder comprising reducible metal compounds (making ferrous alloys starting from compounds C22C 33/0235)}

B22F 3/002 ・{Manufacture of articles essentially made from metallic fibres}

B22F 3/003 ・{Apparatus, e.g. furnaces (in general F27B)}

B22F 3/004 ・{Filling molds with powder (feeding material to presses in general B30B 15/302)}

B22F 3/005 ・{Loading or unloading powder metal objects (transport in general B65G)}

B22F 3/006 ・{Amorphous articles}

B22F 3/007 ・・{by diffusion starting from non-amorphous articles prepared by powder metallurgy}

B22F 3/008 ・{Selective deposition modelling (B22F 3/1055 takes precedence)}

B22F 3/02 ・Compacting only

B22F 3/03 ・・Press-moulding apparatus therefor

B22F 3/04 ・・by applying fluid pressure {e.g. by cold isostatic pressing [CIP} ]

B22F 3/045 ・・・{Semi-isostatic pressure}

B22F 3/06 ・・by centrifugal forces

B22F 3/08 ・・by explosive forces {(generating shock waves in general G10K 15/043)}

B22F 3/087 ・・using high energy impulses, e.g. magnetic field impulses

B22F 3/093 ・・using vibrations {or friction}

B22F 3/10 ・Sintering only

B22F 3/1003 ・・{Use of special medium during sintering, e.g. sintering aid}

B22F 3/1007 ・・・{Atmosphere (B22F 3/1021 takes precedence)}

B22F 3/101 ・・・・{Changing atmosphere}

B22F 3/1017 ・・{Multiple heating or additional steps (B22F 3/101 takes precedence)}

B22F 3/1021 ・・・{Removal of binder or filler (removal of binder from ceramics C04B 35/638)}

B22F 3/1025 ・・・・{not by heating only}

B22F 3/1028 ・・・{Controlled cooling}

B22F 3/1035 ・・{Liquid phase sintering}

B22F 3/1039 ・・{by reaction (B22F 3/001, B22F 3/23 take precedence)}

B22F 3/105 ・・by using electric current {other than for infra-red radiant energy}, laser radiation or plasma (B22F 3/11 takes precedence); {by ultrasonic bonding (B22F 3/115 takes precedence)}

B22F 3/1055 ・・・{Selective sintering, i.e. stereolithography (selective sintering of powdered plastics B29C 67/0077)}

B22F 3/11 ・・Making porous workpieces or articles

B22F 3/1103 ・・・{with particular physical characteristics}

B22F 3/1109 ・・・・{Inhomogenous pore distribution (composite layers of porous nature B22F 7/002)}

B22F 3/1112 ・・・・{comprising hollow spheres or hollow fibres}

B22F 3/1115 ・・・・{comprising complex forms, e.g. honeycombs}

B22F 3/1118 ・・・・{comprising internal reinforcements}

B22F 3/1121 ・・・{by using decomposable, meltable or sublimatable fillers}

B22F 3/1125 ・・・・{involving a foaming process}

B22F 3/1134 ・・・・{Inorganic fillers (carbonaceous or paper filler B22F 3/1121)}

B22F 3/1137 ・・・・{by coating porous removable preforms}

B22F 3/114 ・・・{the porous products being formed by impregnation (B22F 3/1137, B22F 3/26 take precedence)}

B22F 3/1143 ・・・{involving an oxidation, reduction or reaction step}

B22F 3/1146 ・・・{After-treatment maintaining the porosity (B22F 3/114 takes precedence)}

B22F 3/115 ・by spraying molten metal, i.e. spray sintering, spray casting {(also classified in C23C 4/121, C23C 4/185)}

B22F 3/12 ・Both compacting and sintering (by forging B22F 3/17)

B22F 3/1208 ・・{Containers or coating used therefor}

B22F 3/1216 ・・・{Container composition}

B22F 3/1225 ・・・・{Glass}

B22F 3/1233 ・・・・{Organic material}

B22F 3/1241 ・・・・{layered}

B22F 3/125 ・・・{Initially porous container}

B22F 3/1258 ・・・{Container manufacturing}

B22F 3/1266 ・・・・{by coating or sealing the surface of the preformed article, e.g. by melting}

B22F 3/1275 ・・・・{by coating a model and eliminating the model before consolidation}

B22F 3/1283 ・・・・{Container formed as an undeformable model eliminated after consolidation}

B22F 3/1291 ・・・・{Solid insert eliminated after consolidation}

B22F 3/14 ・・simultaneously

B22F 3/15 ・・・Hot isostatic pressing

B22F 3/156 ・・・・{by a pressure medium in liquid or powder form}

B22F 3/16 ・・in successive or repeated steps {WARNING: Subgroups of B22F 3/16 are not complete, see also B22F 3/16}

B22F 3/162 ・・・{Machining, working after consolidation}

B22F 3/164 ・・・{Partial deformation or calibration}

B22F 3/168 ・・・・{Local deformation}

B22F 3/17 ・by forging

B22F 3/172 ・・{Continuous compaction, e.g. rotary hammering (with axial pressure and without reduction of section B22F 3/204)}

B22F 3/177 ・・{Rocking die forging}

B22F 3/18 ・by using pressure rollers

B22F 3/20 ・by extruding

B22F 3/204 ・・{Continuous compaction with axial pressure and without reduction of section}

B22F 3/22 ・for producing castings from a slip

B22F 3/222 ・・{by freeze-casting or in a supercritical fluid}

B22F 3/225 ・・{by injection molding} [WARNING: Not complete, see also B22F 3/22]

B22F 3/227 ・・{by organic binder assisted extrusion}{WARNING: Not complete, see also B22F 3/22}

B22F 3/23 ・involving a self-propagating high-temperature synthesis or reaction sintering step {(making cermets by reaction sintering C22C 1/058)}

B22F 3/24 ・After-treatment of workpieces or articles {(B22F 3/1146 takes precedence)}

B22F 3/26 ・・Impregnating {(making ferrous alloys by impregnation C22C 33/0242)}

B22F 5/00 Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product

B22F 5/003 ・{Articles made for being fractured or separated into parts}

B22F 5/006 ・{of flat products, e.g. sheets (B22F 3/1103 takes precedence; by using pressure rollers only see B22F 3/18)}

B22F 5/007 ・{of moulds}

B22F 5/008 ・{of engine cylinder parts or of piston parts other than piston rings (of piston rings B22F 5/02)}

B22F 5/009 ・{of turbine components other than turbine blades (of turbine blades B22F 5/04)}

B22F 5/02 ・of piston rings

B22F 5/04 ・of turbine blades

B22F 5/06 ・of threaded articles, e.g. nuts

B22F 5/08 ・of toothed articles, e.g. gear wheels; of cam discs

B22F 5/085 ・・{with helical contours}

B22F 5/10 ・of articles with cavities or holes, not otherwise provided for in the preceding subgroups

B22F 5/106 ・・{Tube or ring forms}{WARNING: Not complete, see also B22F 5/10}

B22F 5/12 ・of wires {(of tubes B22F 5/10)}

B22F 7/00 Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting {wherein at least one part is obtained by sintering or compression (application of coating layers by use of metal powders, see C23C)}

B22F 7/002 ・{of porous nature}

B22F 7/004 ・・{comprising at least one non-porous part}

B22F 7/006 ・・・{the porous part being obtained by foaming}

B22F 7/008 ・{characterised by the composition}

B22F 7/02 ・of composite layers {(B22F 7/002 takes precedence)}

B22F 7/04 ・・with one or more layers not made from powder, e.g. made from solid metal

B22F 7/06 ・of composite workpieces or articles from parts, e.g. to form tipped tools {(B22F 7/002 takes precedence)}

B22F 7/062 ・・{involving the connection or repairing of preformed parts}

B22F 7/064 ・・・{using an intermediate powder layer}

B22F 7/08 ・・with one or more parts not made from powder {(B22F 7/062 takes precedence)}

B22F 8/00 Manufacture of articles from scrap or waste metal particles

B22F 9/00 Making metallic powder or suspensions thereof

B22F 9/002 ・{amorphous or microcrystalline}

B22F 9/004 ・・{by diffusion, e.g. solid state reaction}

B22F 9/005 ・・・{Transformation into amorphous state by milling}

B22F 9/007 ・・{Transformation of amorphous into microcrystalline state}

B22F 9/008 ・・{Rapid solidification processing}

B22F 9/02 ・using physical processes

B22F 9/023 ・・{Hydrogen absorption}

B22F 9/026 ・・{Spray drying of solutions or suspensions}

B22F 9/04 ・・starting from solid material, e.g. by crushing, grinding or milling ({C22C 1/1084 takes precedence}; crushing, grinding or milling, in general, see the relevant subclasses, e.g. B02C)

B22F 9/06 ・・starting from liquid material

B22F 9/08 ・・・by casting, e.g. through sieves or in water, by atomising or spraying (using electric discharge B22F 9/14)

B22F 9/082 ・・・・{atomising using a fluid (using centrifugal force B22F 9/10)}

B22F 9/10 ・・・・using centrifugal force

B22F 9/12 ・・starting from gaseous material

B22F 9/14 ・・using electric discharge

B22F 9/16 ・using chemical processes

B22F 9/18 ・・with reduction of metal compounds

B22F 9/20 ・・・starting from solid metal compounds

B22F 9/22 ・・・・using gaseous reductors

B22F 9/24 ・・・starting from liquid metal compounds, e.g. solutions

B22F 9/26 ・・・・using gaseous reductors

B22F 9/28 ・・・starting from gaseous metal compounds

B22F 9/30 ・・with decomposition of metal compounds, e.g. by pyrolysis

B22F 9/305 ・・・{of metal carbonyls}

B22F 2001/00 Special treatment of metallic powder, e.g. to facilitate working, to improve properties {(treatment of powder by mechanical means, e.g. by grinding, milling, rolling B22F 9/04)}; Metallic powders per se, e.g. mixtures of particles of different composition (C04, C08 take precedence; {amorphous powder B22F 9/002})

B22F 2001/0003 ・{Metallic powders per se; Mixtures of metallic powders; Metallic powders mixed with a lubricating or binding agent (making ferrous alloys using a mixture of prealloyed powders C22C 33/0207)}

B22F 2001/0007 ・・{Metallic powder characterised by its shape or structure, e.g. fibre structure }

B22F 2001/0011 ・・・{Metallic powder characterised by size or surface area only}

B22F 2001/0018 ・・・・{Nanometer sized particles}

B22F 2001/0029 ・・・・・Hollow particles, including tubes and shells

B22F 2001/0033 ・・・・・Flake form nanoparticles

B22F 2001/0037 ・・・・・Complex form nanoparticles , e.g.. prism, pyramid, octahedron

B22F 2001/0059 ・・{Metallic powders mixed with a lubricating or binding agent or organic material}

B22F 2001/0066 ・・・Organic binder comprising a mixture or obtained by reaction of more than one component other than solvent, lubricant

B22F 2001/0081 ・{Special treatment of metallic powder, e.g. to facilitate working, to improve properties (coating with organic material B22F 1/0062)}

B22F 2001/0088 ・・{Chemical treatment, e.g. passivation}

B22F 2001/0092 ・・・Making a dispersion

B22F 2003/00 Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor; {Presses and furnaces}

B22F 2003/02 ・Compacting only

B22F 2003/023 ・・Lubricant mixed with the metal powder

B22F 2003/026 ・・Mold wall lubrication or article surface lubrication

B22F 2003/03 ・・Press-moulding apparatus therefor

B22F 2003/031 ・・・with punches moving in different directions in different planes

B22F 2003/033 ・・・with multiple punches working in the same direction

B22F 2003/10 ・Sintering only

B22F 2003/1003 ・・{Use of special medium during sintering, e.g. sintering aid}

B22F 2003/1014 ・・・Getter

B22F 2003/1032 ・・comprising a grain growth inhibitor

B22F 2003/1042 ・・with support for articles to be sintered

B22F 2003/1046 ・・・with separating means for articles to be sintered

B22F 2003/105 ・・by using electric current {other than for infra-red radiant energy}, laser radiation or plasma (B22F 3/11 takes precedence); {by ultrasonic bonding (B22F 3/115 takes precedence)}

B22F 2003/1051 ・・・by electric discharge

B22F 2003/1052 ・・・assisted by energy absorption enhanced by the coating or powder

B22F 2003/1053 ・・・by induction

B22F 2003/1054 ・・・by microwave

B22F 2003/1055 ・・・{Selective sintering, i.e. stereolithography (selective sintering of powdered plastics B29C 67/0077)}

B22F 2003/1056 ・・・・Apparatus components, details or accessories

B22F 2003/1057 ・・・・・for control or data processing, e.g. algorithms

B22F 2003/1058 ・・・・・Support structures for the 3D object during manufacturing, e.g. using sacrificial material

B22F 2003/1059 ・・・・・for cleaning or recycling

B22F 2003/11 ・・Making porous workpieces or articles

B22F 2003/1103 ・・・{with particular physical characteristics}

B22F 2003/1106 ・・・・Product comprising closed porosity

B22F 2003/1121 ・・・{by using decomposable, meltable or sublimatable fillers}

B22F 2003/1125 ・・・・{involving a foaming process}

B22F 2003/1128 ・・・・・Foaming by expansion of dissolved gas, other than with foaming agent

B22F 2003/1131 ・・・・・Foaming in a liquid suspension and decomposition

B22F 2003/12 ・Both compacting and sintering (by forging B22F 3/17)

B22F 2003/14 ・・simultaneously

B22F 2003/145 ・・・by warm compacting, below debindering temperature

B22F 2003/15 ・・・Hot isostatic pressing

B22F 2003/153 ・・・・apparatus specific to HIP

B22F 2003/16 ・・in successive or repeated steps {WARNING: Subgroups of B22F 3/16 are not complete, see also B22F 3/16}

B22F 2003/164 ・・・{Partial deformation or calibration}

B22F 2003/166 ・・・・Surface calibration, blasting, burnishing, sizing, coining

B22F 2003/17 ・by forging

B22F 2003/175 ・・by hot forging, below sintering temperature

B22F 2003/18 ・by using pressure rollers

B22F 2003/185 ・・by hot rolling, below sintering temperature

B22F 2003/20 ・by extruding

B22F 2003/202 ・・with back pressure

B22F 2003/206 ・・Hydrostatic or hydraulic extrusion

B22F 2003/208 ・・Warm or hot extruding

B22F 2003/24 ・After-treatment of workpieces or articles {(B22F 3/1146 takes precedence)}

B22F 2003/241 ・・Chemical after-treatment on the surface

B22F 2003/242 ・・・Coating

B22F 2003/244 ・・・Leaching

B22F 2003/245 ・・Making recesses, grooves etc on the surface by removing material

B22F 2003/247 ・・Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface

B22F 2003/248 ・・Thermal after-treatment

B22F 2005/00 Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product

B22F 2005/001 ・Cutting tools, earth boring or grinding tool other than table ware

B22F 2005/002 ・Tools other than cutting tools

B22F 2005/004 ・Article comprising helical form elements (B22F 5/085 takes precedence)

B22F 2005/005 ・Article surface comprising protrusions

B22F 2005/10 ・of articles with cavities or holes, not otherwise provided for in the preceding subgroups

B22F 2005/103 ・・Cavity made by removal of insert

B22F 2007/00 Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting {wherein at least one part is obtained by sintering or compression (application of coating layers by use of metal powders, see C23C)}

B22F 2007/02 ・of composite layers {(B22F 7/002 takes precedence)}

B22F 2007/04 ・・with one or more layers not made from powder, e.g. made from solid metal

B22F 2007/042 ・・・characterised by the layer forming method

B22F 2007/045 ・・・・accompanied by fusion or impregnation

B22F 2007/047 ・・・・non-pressurised baking of the paste or slurry containing metal powder

B22F 2007/06 ・of composite workpieces or articles from parts, e.g. to form tipped tools {(B22F 7/002 takes precedence)}

B22F 2007/062 ・・{involving the connection or repairing of preformed parts}

B22F 2007/066 ・・・using impregnation

B22F 2007/068 ・・・repairing articles

B22F 2009/00 Making metallic powder or suspensions thereof

B22F 2009/001 ・from scrap particles

B22F 2009/02 ・using physical processes

B22F 2009/04 ・・starting from solid material, e.g. by crushing, grinding or milling ({C22C 1/1084 takes precedence}; crushing, grinding or milling, in general, see the relevant subclasses, e.g. B02C)

B22F 2009/041 ・・・by mechanical alloying , e.g. blending, milling

B22F 2009/042 ・・・using a particular milling fluid

B22F 2009/043 ・・・by ball milling

B22F 2009/044 ・・・by jet milling

B22F 2009/045 ・・・by other means than ball or jet milling

B22F 2009/046 ・・・・by cutting

B22F 2009/047 ・・・・by rolling

B22F 2009/048 ・・・by pulverising a quenched ribbon

B22F 2009/049 ・・・by pulverising at particular temperature

B22F 2009/06 ・・starting from liquid material

B22F 2009/065 ・・・Melting inside a liquid, e.g. making spherical balls

B22F 2009/08 ・・・by casting, e.g. through sieves or in water, by atomising or spraying (using electric discharge B22F 9/14)

B22F 2009/0804 ・・・・Dispersion in or on liquid, other than with sieves

B22F 2009/0808 ・・・・・Mechanical dispersion of melt, e.g. by sieves

B22F 2009/0812 ・・・・・Pulverisation with a moving liquid coolant stream, by centrifugally rotating stream

B22F 2009/0816 ・・・・by casting with pressure or pulsating pressure on the metal bath

B22F 2009/082 ・・・・{atomising using a fluid (using centrifugal force B22F 9/10)}

B22F 2009/0824 ・・・・・with a specific atomising fluid

B22F 2009/0828 ・・・・・・with water

B22F 2009/0832 ・・・・・Handling of atomising fluid, e.g. heating, cooling, cleaning, recirculating

B22F 2009/0836 ・・・・・with electric or magnetic field or induction

B22F 2009/084 ・・・・・combination of methods

B22F 2009/0844 ・・・・・in controlled atmosphere

B22F 2009/0848 ・・・・・Melting process before atomisation

B22F 2009/0852 ・・・・・・Electroslag melting

B22F 2009/0856 ・・・・・・Skull melting

B22F 2009/086 ・・・・・Cooling after atomisation

B22F 2009/0864 ・・・・・・by oil, other non-aqueous fluid or fluid-bed cooling

B22F 2009/0868 ・・・・・・by injection of solid particles in the melt stream

B22F 2009/0872 ・・・・・・by water

B22F 2009/0876 ・・・・・・by gas

B22F 2009/088 ・・・・・Fluid nozzles , e.g. angle, distance

B22F 2009/0884 ・・・・・Spiral fluid

B22F 2009/0888 ・・・・・casting construction of the melt process, apparatus, intermediate reservoir e.g. tundish, devices for temperature control

B22F 2009/0892 ・・・・・casting nozzle; controlling metal stream in or after the casting nozzle

B22F 2009/0896 ・・・・・particle transport, separation: process and apparatus

B22F 2009/16 ・using chemical processes

B22F 2009/165 ・・Chemical reaction in an Ionic Liquid [IL] (B22F 2009/245 takes precedence)

B22F 2009/18 ・・with reduction of metal compounds

B22F 2009/24 ・・・starting from liquid metal compounds, e.g. solutions

B22F 2009/245 ・・・・Reduction reaction in an Ionic Liquid [IL]

B22F 2201/00 Treatment under specific atmosphere

B22F 2201/01 ・Reducing atmosphere

B22F 2201/013 ・・Hydrogen

B22F 2201/016 ・・NH3

B22F 2201/02 ・Nitrogen

B22F 2201/03 ・Oxygen

B22F 2201/04 ・CO or CO2

B22F 2201/05 ・Water or water vapour

B22F 2201/10 ・Inert gases

B22F 2201/11 ・・Argon

B22F 2201/12 ・・Helium

B22F 2201/20 ・Use of vacuum

B22F 2201/30 ・Carburising atmosphere

B22F 2201/32 ・Decarburising atmosphere

B22F 2201/40 ・Metal compounds

B22F 2201/50 ・air

B22F 2202/00 Treatment under specific physical conditions

B22F 2202/01 ・Use of vibrations

B22F 2202/03 ・Treatment under cryogenic or supercritical conditions

B22F 2202/05 ・Use of magnetic field

B22F 2202/06 ・Use of electric fields

B22F 2202/07 ・by induction

B22F 2202/09 ・Use of non-gravitational conditions

B22F 2202/11 ・Use of irradiation

B22F 2202/13 ・Use of plasma

B22F 2202/15 ・Use of fluidised beds

B22F 2202/17 ・use of centrifugal or vortex forces

B22F 2203/00 Controlling

B22F 2203/01 ・To-be-deleted with administrative transfer to B22F 2203/00

B22F 2203/03 ・for feed-back

B22F 2203/05 ・thermal expansion

B22F 2203/11 ・temperature, temperature profile

B22F 2203/13 ・pressure

B22F 2203/15 ・weight

B22F 2207/00 Aspects of the compositions, gradients

B22F 2207/01 ・Composition gradients

B22F 2207/03 ・・of the metallic binder phase in cermets

B22F 2207/05 ・・・eta-phase

B22F 2207/07 ・・Particles with core-rim gradient

B22F 2207/11 ・Gradients other than composition gradients, e.g. size gradients

B22F 2207/13 ・・Size gradients

B22F 2207/15 ・・Temperature gradients

B22F 2207/17 ・・density or porosity gradients

B22F 2207/20 ・Cooperating components

B22F 2301/00 Metallic composition of the powder or its coating

B22F 2301/05 ・Light metals

B22F 2301/052 ・・Aluminium

B22F 2301/054 ・・Alkali metals, i.e. Li, Na, K, Rb, Cs, Fr

B22F 2301/056 ・・Alkaline metals, i.e. Ca, Sr, Ba, Ra

B22F 2301/058 ・・Magnesium

B22F 2301/10 ・Copper

B22F 2301/15 ・Nickel or cobalt

B22F 2301/155 ・・Rare Earth - Co or -Ni intermetallic alloys

B22F 2301/20 ・Refractory metals

B22F 2301/205 ・・Titanium, zirconium or hafnium

B22F 2301/25 ・Noble metals, i.e. Ag Au, Ir, Os, Pd, Pt, Rh, Ru

B22F 2301/255 ・・Silver or gold

B22F 2301/30 ・Low melting point metals, i.e. Zn, Pb, Sn, Cd, In, Ga

B22F 2301/35 ・Iron

B22F 2301/355 ・・Rare Earth - Fe intermetallic alloys

B22F 2301/40 ・Intermetallics other than rare earth-Co or -Ni or -Fe intermetallic alloys

B22F 2301/45 ・Rare earth metals, i.e. Sc, Y, Lanthanides (57-71)

B22F 2302/00 Metal Compound , non-Metallic compound or non-metal composition of the powder or its coating

B22F 2302/05 ・Boride

B22F 2302/10 ・Carbide

B22F 2302/105 ・・Silicium carbide (SiC)

B22F 2302/15 ・Carbonitride

B22F 2302/20 ・Nitride

B22F 2302/205 ・Cubic boron nitride

B22F 2302/25 ・Oxide

B22F 2302/253 ・・Aluminum oxide (Al2O3)

B22F 2302/256 ・・Silicium oxide (SiO2)

B22F 2302/30 ・Oxynitride

B22F 2302/35 ・Complex boride, carbide, carbonitride, nitride, oxide or oxynitride

B22F 2302/40 ・Carbon, graphite

B22F 2302/403 ・・Carbon nanotube

B22F 2302/406 ・・Diamond

B22F 2302/45 ・Others, including non-metals

B22F 2303/00 Functional details of metal or compound in the powder or product,

B22F 2303/01 ・Main component

B22F 2303/05 ・Compulsory alloy component

B22F 2303/10 ・Optional alloy component

B22F 2303/15 ・Intermetallic

B22F 2303/20 ・Coating by means of particles

B22F 2303/25 ・Coating by means of fibres

B22F 2303/30 ・Coating alloy

B22F 2303/35 ・Molten metal infiltrating a metal preform

B22F 2303/40 ・Layer in a composite stack of layers, workpiece or article

B22F 2303/405 ・・Support layer

B22F 2303/45 ・Part of a final mixture to be processed further

B22F 2304/00 Physical aspects of the powder

B22F 2304/05 ・Submicron size particles

B22F 2304/052 ・・Particle size below 1nm

B22F 2304/054 ・・Particle size between 1 and 100 nm

B22F 2304/056 ・・Particle size above 100 nm up to 300 nm

B22F 2304/058 ・・Particle size above 300 nm up to 1 micrometer

B22F 2304/10 ・Micron size particles, i.e. above 1 micrometer up to 500 micrometer

B22F 2304/15 ・Millimeter size particles, i.e. above 500 micrometer

B22F 2998/00 Supplementary information concerning processes or compositions relating to powder metallurgy

B22F 2998/10 ・Processes characterised by the sequence of their steps

B22F 2999/00 Aspects linked to processes or compositions used in powder metallurgy