[go: up one dir, main page]

Kovalev, 2018 - Google Patents

Comparative analysis of performance characteristics of nozzle heads for powder transportation in a laser cladding and direct material deposition

Kovalev, 2018

View PDF
Document ID
44418898528286091
Author
Kovalev O
Publication year
Publication venue
MATEC Web of Conferences

External Links

Snippet

The analysis of the dynamics of gas-dispersed flows created by nozzle heads, which are used in the additive technology of direct laser deposition of material in the manufacture of metal products of complex geometry, is analyzed. The features of using nozzle systems for …
Continue reading at www.matec-conferences.org (PDF) (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/20—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion
    • B05B7/201—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion downstream of the nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/1606—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed the spraying of the material involving the use of an atomising fluid, e.g. air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B23K26/322—Bonding taking account of the properties of the material involved involving coated metal parts

Similar Documents

Publication Publication Date Title
Nagulin et al. Optical diagnostics and optimization of the gas-powder flow in the nozzles for laser cladding
Hu et al. Molten pool behaviors and forming appearance of robotic GMAW on complex surface with various welding positions
Bedenko et al. Numerical simulation of transport phenomena, formation the bead and thermal behavior in application to industrial DMD technology
Liu et al. Analytical modeling and experimental validation of powder stream distribution during direct energy deposition
Kumar et al. Critical review of off-axial nozzle and coaxial nozzle for powder metal deposition
Lupoi et al. Powder stream characteristics in cold spray nozzles
Balu et al. Parametric study on a coaxial multi-material powder flow in laser-based powder deposition process
Liu et al. Numerical simulation of powder transport behavior in laser cladding with coaxial powder feeding
Doubenskaia et al. Experimental and numerical study of gas-powder flux in coaxial laser cladding nozzles of Precitec
Guner et al. Nozzle designs in powder-based direct laser deposition: a review
Gao et al. Numerical simulation and experimental investigation of the influence of process parameters on gas-powder flow in laser metal deposition
JP2007222869A (en) Nozzle for laser net shape production process
Gao et al. The influence of nozzle geometry on powder flow behaviors in directed energy deposition additive manufacturing
Alya et al. Discrete phase modeling of the powder flow dynamics and the catchment efficiency in laser directed energy deposition with inclined coaxial nozzles
Kovaleva et al. Numerical simulation and comparison of powder jet profiles for different types of coaxial nozzles in direct material deposition
Kumar et al. Effect of material form on deposition characteristics in micro-plasma transferred arc additive manufacturing process
Gulyaev et al. Optical diagnostics of radiation interaction with the powder stream laterally transported during laser cladding
Yan et al. Design of injection nozzle in direct metal deposition (DMD) manufacturing of thin-walled structures based on 3D models
Kovalev Comparative analysis of performance characteristics of nozzle heads for powder transportation in a laser cladding and direct material deposition
Kovaleva et al. Modeling and numerical study of light-propulsion phenomena of particles acceleration in coaxial laser powder cladding
Nasiri et al. A new design of continuous coaxial nozzle for direct metal deposition process to overcome the gravity effect
Liu et al. Analytical investigation into the powder distribution and laser beam-powder flow interaction in laser direct energy deposition with a continuous coaxial nozzle
Nogdhe et al. Numerical study of powder flow characteristics of coaxial nozzle direct energy deposition at different operating and design conditions
Turichin et al. Theory and technology of direct laser deposition
Bedenko et al. Numerical study of the gas-particle flows with the two-way coupling formed by coaxial nozzles for laser cladding