A bead on plate weld test was conducted on a thin pure copper plate using a high intensity blue diode laser with an output of 100 W and a beam diameter of 100 μm. Pure copper with a thickness of 50 μm was irradiated with laser beams power at 30,50,97 W, laser intensity at 3.6×105, 6.3×105, 1.24×106 W/cm2. Amount of input energy J/cm2 was controlled by changing laser power and sweeping speed. As a result, when the input energy is the same, the higher laser intensity formed the wider bead. The through bead was observed at laser intensity 1.24×106 W/cm2 at input energy 330 J/cm2, and the bead width was 106 µm, which was a bead having substantially the same width as the beam diameter. Then Two pieces of pure copper having a thickness of 30 µm were lap weld at laser intensity 1.24×106 W/cm2 and an input energy 1900 J/cm 2. Two copper thin plates were joined with a bead width of 215 µm without cross section defects such as pores and cracks.

1.
Hongbin
Daia
,
Xiuqiang
Shena
,
Haoran
Wanga
, “
The influence of TIG-Arc physical characteristics on the penetration and weld width under different Ar and He supply conditions
Results in Physics
9
(
2018
)
1120
1126
2.
A.M.
Aminazada
,
A.M.
Hadianb
,
F.
Ghasimakbaria
, “
Investigation on Corrosion Behaviour of Copper Brazed Joints
Procedia Materials Science
11
(
2015
)
672
678
3.
Wei
Guan
,
Yifu
Shen.
,
Yinfei
Yan
,
Rui
Guo
,
Wei
Zhang
Fabrication of ultra-thin copper foil pressure welding using FSW equipment
Journal of Materials Processing Tech.
251
(
2018
)
343
349
4.
W.A.
Ayoola
,
W.J.
Suder
.,
S.W.
Williams
, “
Parameters controlling weld bead profile in conduction laser welding
Journal of Materials Processing Tech.
249
(
2017
)
522
-
530
5.
H.
Hugel
.
F.
Dausinger
(
2004
) Landolt-Bornstein New Series V./1C Laser Physics and Applications,
Springer Nature
6.
S.
Liebl
,,
R.
Wiedenmann
,
A
Ganser
,
P.
Schmitz
,
M.F.
Zaeh
,
“Laser Welding of Copper using Multi Mode Fiber Lasersat near infrared Wavelength
Physics Procedia
56
(
2014
)
591
600
7.
Uwe
Reisgen
,
Simon
Olschok
,
Stefan
Jakobs
,
Christoph
Turner
,
“Sound welding of copper: laser beam welding in vacuum
.”
Physics Procedia
83
(
2016
)
447
454
8.
Masanori
Miyagia
,
Xudong
Zhanga
,
Yousuke
Kawahitob
,
Seiji
Katayama
“Surface void suppression for pure copper by high-speed laser scannerwelding
Journal of Materials Processing Technology
240
(
2017
)
52
59
9.
Axel
Hess
,
Rainer
Schuster
,
Andreas
Heider
,
Rudolf
Weber
,
Thomas
Graf
,
“Continuous Wave Laser Welding of Copper with Combined Beamsat Wavelengths of 1030 nm and of 515 nm
Physics Procedia
12
(
2011
)
88
94
10.
Kohei
Asano
,
Masuhiro
Tsukamoto
,
Yoshinori
Funada
,
Yu
Sakon
, Noboyuki Abe1,
Yuji
Sato
,
Ritsuko
Higashino
,
Masanori
Sengoku
,
Minoru
Yoshida
,
“Copper film formation on metal surfaces with 100W blue direct diode laser system
”.
Proc. of ICALEO’17
, #
501
.
11.
Mathew J.
Finuf
,
Bill
Gray
,
Robert
Fritz
,
Jean Michel Pelaprat Mark S.
Zediker
Ph.D.
“LASER WELDING COPPER WITH HIGHT POWER CW BLUE LASER
Proc. of ICALEO’17
, #
101
.
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