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  1. Journal of Mechanical Science and Technology
  2. Journal of Mechanical Science and Technology : Volume 12
  3. Journal of Mechanical Science and Technology : Volume 12, Issue 4, July 1998
  4. CO$_{2}$ laser welding of zinc-coated steel sheets
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Journal of Mechanical Science and Technology : Volume 31
Journal of Mechanical Science and Technology : Volume 30
Journal of Mechanical Science and Technology : Volume 29
Journal of Mechanical Science and Technology : Volume 28
Journal of Mechanical Science and Technology : Volume 27
Journal of Mechanical Science and Technology : Volume 26
Journal of Mechanical Science and Technology : Volume 25
Journal of Mechanical Science and Technology : Volume 24
Journal of Mechanical Science and Technology : Volume 23
Journal of Mechanical Science and Technology : Volume 22
Journal of Mechanical Science and Technology : Volume 21
Journal of Mechanical Science and Technology : Volume 20
Journal of Mechanical Science and Technology : Volume 19
Journal of Mechanical Science and Technology : Volume 18
Journal of Mechanical Science and Technology : Volume 17
Journal of Mechanical Science and Technology : Volume 16
Journal of Mechanical Science and Technology : Volume 15
Journal of Mechanical Science and Technology : Volume 14
Journal of Mechanical Science and Technology : Volume 13
Journal of Mechanical Science and Technology : Volume 12
Journal of Mechanical Science and Technology : Volume 12, Issue 6, November 1998
Journal of Mechanical Science and Technology : Volume 12, Issue 5, September 1998
Journal of Mechanical Science and Technology : Volume 12, Issue 4, July 1998
Direct kinematics of a double parallel robot arm for real time velocity control
Comparison of prediction methods for damping of a symmetric balanced laminated composite beam
A study on deformation characteristics of the plane strain punch stretching test
Effect of strength mismatch on fully plastic fields in dissimilar joints under combined loading
Vibration analysis of the plates subject to distributed dynamic loads by using spectral element method
The influence of plastic-strain-induced anisotropy modeled as combined isotropic-kinematic hardening in the tension-torsion straining problem (I) : —Representation of the back stress and applicability of the combined isotropic-kinematic hardening model—
The influence of plastic-strain-induced anisotropy modeled as combined isotropic-kinematic hardening in the tension-torsion straining problem (II) : Numerical verifications with experimental measurements
The basic study about the effect of single point grinding on the bending strength of brittle material
CO$_{2}$ laser welding of zinc-coated steel sheets
A study on the forging of gear-like components
In-vitro measurement of the human knee joint motion during quadriceps leg raising
Dynamic modeling and cooperative control of a redundant manipulator based on decomposition
A process net model approach for multiple process plans
Active vibration control of flexible cantilever beam using piezo actuator and Filtered-X LMS algorithm
A simple method to calculate mode components of strain energy release rate of free-edge delaminations in composite laminates
A study on combustion characteristics of superadiabatic combustor in porous media
Thermal analysis of the air inside a rolling deformed torus
A study on the effect of operating conditions for the stability at idle
Feedback mechanism of low-speed edgetones
Forced air cooling by using manifold microchannel heat sinks
Experimental study on fluctuating thermal loads in swept shock wave/turbulent boundary-layer interactions
NO$_{2}$ chemiluminescent emission from flames influenced by acoustic noise
Cooling of a heated surface with an impinging water spray
A comprehensive analysis of the conduction-dominated transient contact melting on an isothermal surface
The performance analysis of a hydrocarbon refrigerant R-600a in a household refrigerator/freezer
Journal of Mechanical Science and Technology : Volume 12, Issue 3, May 1998
Journal of Mechanical Science and Technology : Volume 12, Issue 2, March 1998
Journal of Mechanical Science and Technology : Volume 12, Issue 1, January 1998
Journal of Mechanical Science and Technology : Volume 11

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CO$_{2}$ laser welding of zinc-coated steel sheets

Content Provider SpringerLink
Author Kim, Jae Do Park, Chan Cheol
Copyright Year 1998
Abstract Welding of zinc-coated steel sheets for the automotive industry has been investigated experimentally and theoretically, using a continuous wave 2 kW CO$_{2}$ laser. The specimens of 0.8, 1.0 and 1.2 mm thickness were welded as butt joint and lap joint. Argon gas was shielded co-axially to reduce the plasma and to protect the molten, pool from atmosphere. The mechanical tests of specimens were carried out to investigate the ductility of welds in butt joint and lap joint, using the Erichsen test, ball punch test and tensile shear test. The value of transverse weld pattern is higher than others. The fatigue life of longitudinal weld is superior, but that of circular weld pattern is inferior due to the high tensile residual stresses in the weld. The maximum Erichsen value was obtained as 96% and the deformability of zinc coated steel butt-welded was found to be 80% in the ball punch test. The high pressure formed by vaporization of zinc with the low boiling temperature during laser lap-joint welding splattered the molten pool and created porosities in the weld. The optimum gap was calculated to be 0.1 mm in the lap joint welding of zinc-coated steel sheet which was a good agreement with the experimental result.
Starting Page 606
Ending Page 614
Page Count 9
File Format PDF
ISSN 1738494X
Journal Journal of Mechanical Science and Technology
Volume Number 12
Issue Number 4
Language English
Publisher Korean Society of Mechanical Engineers
Publisher Date 1998-01-01
Publisher Place Seoul
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Laser Welding Zn-Coated Steel Lap Joint Gap Size Tensile Shear Test Fatigue Test Erichsen Test Ball Punch Test Porosity Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type Text
Resource Type Article
Subject Mechanics of Materials Mechanical Engineering
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