Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
}
TY - JOUR
T1 - Coincident wire and powder deposition by laser to form compositionally graded material
AU - Syed, Waheed Ul Haq
AU - Pinkerton, Andrew J.
AU - Liu, Zhu
AU - Li, Lin
N1 - The final, definitive version of this article has been published in the Journal, Surface and Coatings Technology 201 (16-17), 2007, © ELSEVIER.
PY - 2007/5/21
Y1 - 2007/5/21
N2 - In this paper a new surface coating technique is reported. The method combines powder and wire feed laser cladding to produce a functionally graded material in a single pass. The technique is demonstrated and material distributions in the clads are investigated using H13 tool steel as a substrate, copper powder and nickel wire as feedstock and a 1.5 kW diode laser as a power source. Electron probe microanalysis, scanning electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction and optical microscopy were used to analyse deposited clads in terms of elemental composition, microstructure and flow characteristics in the deposition melt pool. It was found that by varying the feed rates of copper powder and nickel wire, the composition gradients within a layer and overall clad properties could be controlled, avoiding the need for multipass techniques. (C) 2007 Elsevier B.V. All rights reserved.
AB - In this paper a new surface coating technique is reported. The method combines powder and wire feed laser cladding to produce a functionally graded material in a single pass. The technique is demonstrated and material distributions in the clads are investigated using H13 tool steel as a substrate, copper powder and nickel wire as feedstock and a 1.5 kW diode laser as a power source. Electron probe microanalysis, scanning electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction and optical microscopy were used to analyse deposited clads in terms of elemental composition, microstructure and flow characteristics in the deposition melt pool. It was found that by varying the feed rates of copper powder and nickel wire, the composition gradients within a layer and overall clad properties could be controlled, avoiding the need for multipass techniques. (C) 2007 Elsevier B.V. All rights reserved.
KW - Laser deposition
KW - Single-step
KW - Functionally graded
KW - Wire/Powder
U2 - 10.1016/j.surfcoat.2007.01.020
DO - 10.1016/j.surfcoat.2007.01.020
M3 - Journal article
VL - 201
SP - 7083
EP - 7091
JO - Surface and Coatings Technology
JF - Surface and Coatings Technology
SN - 0257-8972
IS - 16-17
ER -