FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy, to production of spherical powders from metals and alloys intended for further processing by additive techniques or hot isostatic pressing into finished products. Centrifugal jet-plasma method for production of powders of metals and alloys includes melting of rotating cylindrical billet by plasma flow from plasmatron, wherein plasma flow in form of radial jets formed by approaching plasmatron to billet, accelerating to the rate at which their dynamic pressure force acting on the melt along the billet end is commensurate with the centrifugal force, and formation of particles of required size is provided by varying the ratio of these forces by changing the rotation speed of the workpiece and the geometry of the annular nozzle, respectively.
EFFECT: technical result of invention is reduction of required rotation speed of workpiece with preservation of result by operating fine particles of powder and elimination of separation in mass of obtained particles of powder.
3 cl, 1 tbl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PRODUCING METAL POWDERS OR GRANULES | 2020 |
|
RU2760905C1 |
| METHOD OF PRODUCING SPHERICAL GRANULES OF REFRACTORY AND CHEMICALLY ACTIVE METALS AND ALLOYS, DEVICE TO THIS END AND DEVICE TO FABRICATE INITIAL CONSUMABLE BILLET TO IMPLEMENT SAID METHOD | 2008 |
|
RU2413595C2 |
| METHOD FOR PRODUCING METAL POWDER | 2020 |
|
RU2769116C1 |
| DEVICE FOR PRODUCTION OF METAL POWDERS BY CENTRIFUGAL SPRAYING METHOD | 2020 |
|
RU2742125C1 |
| METHOD OF PRODUCING POWDERS FROM HEAT-RESISTANT NICKEL ALLOYS | 2016 |
|
RU2627137C1 |
| METHOD OF MAKING HEAT-RESISTANT ALLOY PELLETS | 2011 |
|
RU2468891C1 |
| METHOD TO PRODUCE MICROINGOTS FROM MELT BY CENTRIFUGAL DISINTEGRATION | 2013 |
|
RU2536122C1 |
| METHOD OF PRODUCING METAL POWDER BY CENTRIFUGAL SPRAYING | 2011 |
|
RU2475336C1 |
| METHOD OF PRODUCING ULTRAFINE POWDER OF METAL OR METAL ALLOYS | 2015 |
|
RU2588931C1 |
| METHOD OF PLASMA SYNTHESIS OF POWDERS OF INORGANIC MATERIALS AND APPARATUS FOR IMPLEMENTATION THEREOF | 2019 |
|
RU2743474C2 |
