Temperature analysis of the powder streams in coaxial laser cladding

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

The powder stream temperature of a newly developed coaxial laser cladding technique have been calculated and measured in this study. A simplified one-dimensional model of the particle heating problem under laser irradiation was solved with various conditions of laser intensity, particle size and flow velocity. The experimental results have been successfully detected by a pinhole infrared sensor with the temperature calibration for hot particles. The thermal profiles of the coaxial nozzle give an optimum operation range of the stand-off distance for coaxial laser cladding.

Original languageEnglish
Pages (from-to)565-570
Number of pages6
JournalOptics and Laser Technology
Volume31
Issue number8
DOIs
Publication statusPublished - 1999 Jan 1

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Laser cladding
Powders
Heat problems
Laser beam effects
Flow velocity
lasers
Nozzles
coaxial nozzles
Particle size
particle intensity
Calibration
Infrared radiation
Temperature
temperature
Lasers
Sensors
pinholes
flow velocity
irradiation
heating

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

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Temperature analysis of the powder streams in coaxial laser cladding. / Lin, Jehnming.

In: Optics and Laser Technology, Vol. 31, No. 8, 01.01.1999, p. 565-570.

Research output: Contribution to journalArticle

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