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An investigation of the effect of pulse frequency in laser multiple-layer cladding of stainless steel

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An investigation of the effect of pulse frequency in laser multiple-layer cladding of stainless steel. / Pinkerton, A. J. ; Li, L.
In: Applied Surface Science, Vol. 208-209, 2003, p. 405-410.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Pinkerton AJ, Li L. An investigation of the effect of pulse frequency in laser multiple-layer cladding of stainless steel. Applied Surface Science. 2003;208-209:405-410. doi: 10.1016/S0169-4332(02)01420-4

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Bibtex

@article{d814f28f3d474a249985f47994fe28f0,
title = "An investigation of the effect of pulse frequency in laser multiple-layer cladding of stainless steel",
abstract = "The consolidation of metal powder onto a solid substrate using a laser beam allows fusion of the build material to be realised and fully-dense walls or surfaces, suitable for rapid prototyping and tooling applications, to be fabricated. The final wall geometry and microstructure of metals deposited in this way are determined in part by the pulse frequency of the laser beam used. A 1.2 kW CO2 laser, operating over a range of different pulse frequencies is used to investigate this effect. Microstructural characterisation of multiple layers of consolidated 316L steel revealed a coarser, but less porous austenitic structure when using a pulsed beam. The final hardness of the steel increased with pulse frequency, but was not constant throughout the wall, and the surface roughness varied little. ",
keywords = "Rapid prototyping, Direct laser deposition, Laser cladding, Pulse frequency",
author = "Pinkerton, {A. J.} and L. Li",
year = "2003",
doi = "10.1016/S0169-4332(02)01420-4",
language = "English",
volume = "208-209",
pages = "405--410",
journal = "Applied Surface Science",
issn = "0169-4332",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - An investigation of the effect of pulse frequency in laser multiple-layer cladding of stainless steel

AU - Pinkerton, A. J.

AU - Li, L.

PY - 2003

Y1 - 2003

N2 - The consolidation of metal powder onto a solid substrate using a laser beam allows fusion of the build material to be realised and fully-dense walls or surfaces, suitable for rapid prototyping and tooling applications, to be fabricated. The final wall geometry and microstructure of metals deposited in this way are determined in part by the pulse frequency of the laser beam used. A 1.2 kW CO2 laser, operating over a range of different pulse frequencies is used to investigate this effect. Microstructural characterisation of multiple layers of consolidated 316L steel revealed a coarser, but less porous austenitic structure when using a pulsed beam. The final hardness of the steel increased with pulse frequency, but was not constant throughout the wall, and the surface roughness varied little. 

AB - The consolidation of metal powder onto a solid substrate using a laser beam allows fusion of the build material to be realised and fully-dense walls or surfaces, suitable for rapid prototyping and tooling applications, to be fabricated. The final wall geometry and microstructure of metals deposited in this way are determined in part by the pulse frequency of the laser beam used. A 1.2 kW CO2 laser, operating over a range of different pulse frequencies is used to investigate this effect. Microstructural characterisation of multiple layers of consolidated 316L steel revealed a coarser, but less porous austenitic structure when using a pulsed beam. The final hardness of the steel increased with pulse frequency, but was not constant throughout the wall, and the surface roughness varied little. 

KW - Rapid prototyping

KW - Direct laser deposition

KW - Laser cladding

KW - Pulse frequency

U2 - 10.1016/S0169-4332(02)01420-4

DO - 10.1016/S0169-4332(02)01420-4

M3 - Journal article

VL - 208-209

SP - 405

EP - 410

JO - Applied Surface Science

JF - Applied Surface Science

SN - 0169-4332

ER -