In laser cladding, at the wavelength range of blue, light absorptivity of copper is much higher than that at wavelength range of IR. Thus, we developed CW blue direct diode laser (DDL) system for formation of copper coating layers. This system consists of fiber coupled blue direct diode lasers with the maximum power of 100W at the wavelength of 445 nm, focusing lenses and powder feeding nozzle. In this study, we investigate the fundamental characteristics of the CW blue DDL system and formed copper coating layers on 304 stainless steel.

1.
A.
Gatto
,
E.
Bassoli
 and
M.
Fornari
 (
2004
)
Plasma Transferred Arc deposition of powdered high performances alloys
,
Surface & Coatings Technology
187
,
265
–
271
.
https://doi.org/10.1016/j.surfcoat.2004.02.013
Google Scholar
Crossref
Search ADS
 
2.
A.
Rabiei
,
D.R.
Mumm
,
J.W.
Hutchinson
,
R.
Schweinfest
,
M.
Rühle
 and
A.G.
Evans
 (
1999
)
Microstructure, deformation and cracking characteristics of thermal spray ferrous coatings
,
Materials Science and Engineering A
269
,
152
–
165
.
https://doi.org/10.1016/S0921-5093(99)00132-X
Google Scholar
Crossref
Search ADS
 
3.
G.
Xu
,
M.
Kutsuna
,
Z.
Liu
 and
K.
Yamada
 (
2006
)
Comparison between diode laser and TIG cladding of Co-based alloys on the SUS403 stainless steel
,
Surface & Coatings Technology
201
,
1138
–
1144
.
https://doi.org/10.1016/j.surfcoat.2006.01.040
Google Scholar
Crossref
Search ADS
 
4.
F.
Luo
,
J.
Yao
,
X.
Hu
, and
G.
Chai
 (
2011
)
Effect of laser power on the cladding temperature field and the heat affected zone
,
Journal of Iron and Steel Research International
18-1
,
73
–
78
.
https://doi.org/10.1016/S1006-706X(11)60014-9
Google Scholar
Crossref
Search ADS
 
5.
Tanigawa
,
D.
,
Abe
,
N.
,
Tsukamoto
,
M.
,
Hayashi
,
Y.
,
Yamazaki
,
H.
,
Tatsumi
,
Y.
 and
Yoneyama
,
M.
 (
2014
)
The influence of laser beam profile on cladding layer
,
Journal of Japan Laser Processing Society
21
.
Google Scholar
 
6.
Engler
,
Sebastian
,
Reiner
Ramsayer
, and
Reinhart
Poprawe
 (
2011
)
Process studies on laser welding of copper with brilliant green and infrared lasers
,
Physics Procedia
12
,
339
–
346
.
https://doi.org/10.1016/j.phpro.2011.03.142
Google Scholar
Crossref
Search ADS
 
7.
Fiber-coupled blue direct diode laser
, http://www.shimadzu.co.jp/opt/products/device/hk5650.html (12.07.
2016
)
8.
I.
Tabernero
,
A.
Lamikiz
,
E.
Ukar
,
L. N.
López
 and
C.
Anguloand
G.
Urbikain
 (
2010
)
Numerical simulation and experimental validation of powder flux distribution in coaxial laser cladding
,
Journal of Materials Processing Technology
210
,
2125
–
2134
.
https://doi.org/10.1016/j.jmatprotec.2010.07.036
Google Scholar
Crossref
Search ADS
 
9.
M. D.
Silva
,
K.
Partes
 and
T.
Seefeldand
V.
Vollertsen
 (
2012
)
Comparison of coaxial and off-axis nozzle configurations in one step process laser cladding on aluminum substrate
,
Journal of Materials Processing Technology
212
,
2514
–
2519
.
https://doi.org/10.1016/j.jmatprotec.2012.06.011
Google Scholar
Crossref
Search ADS
 
10.
De Oliveira
,
U.
,
Ocelik
,
V.
, and
De Hosson
,
J. T. M.
 (
2005
)
Analysis of coaxial laser cladding processing conditions
,
Surface and Coatings Technology
197
(
2
),
127
–
136
.
https://doi.org/10.1016/j.surfcoat.2004.06.029
Google Scholar
Crossref
Search ADS
 
11.
Ocelík
,
V.
,
De Oliveira
,
U.
,
De Boer
,
M.
, and
De Hosson
,
J. T. M.
 (
2007
)
Thick Co-based coating on cast iron by side laser cladding: Analysis of processing conditions and coating properties
,
Surface and Coatings Technology
,
201
,(
12
),
5875
–
5883
.
https://doi.org/10.1016/j.surfcoat.2006.10.044
Google Scholar
Crossref
Search ADS
 
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