Journal ArticleDOI
Numerical study on the effect of electrode force in small-scale resistance spot welding
Baohua Chang,Y. Zhou +1 more
TLDR
In this paper, the effects of electrode force on the electrical, thermal and mechanical behavior of the welding process when using direct current have been studied numerically using the finite element method, and the variations of contact radius, current density distribution and temperature profile at the sheet/sheet and electrode/sheet interfaces, the threshold weld times and the maximum diameters of the weld nuggets under three different levels of electrode forces are investigated.About:
This article is published in Journal of Materials Processing Technology.The article was published on 2003-08-20. It has received 60 citations till now. The article focuses on the topics: Electric resistance welding & Welding.read more
Citations
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Journal ArticleDOI
New parametric study of nugget size in resistance spot welding process using finite element method
TL;DR: In this paper, a finite element analysis environment is used to evaluate the shape and size of weld nuggets and the effects of welding parameters on temperature of faying surface, which can assist in adjusting welding parameters so that costly experimental works can be avoided.
Journal ArticleDOI
Finite element analysis for the mechanical features of resistance spot welding process
TL;DR: In this paper, a 2D axisymmetric model of thermo-elastic-plastic finite element method (FEM) is developed to analyze the mechanical behavior of resistance spot welding (RSW) process using commercial software ANSYS.
Journal ArticleDOI
Overview of recent advances of process analysis and quality control in resistance spot welding
Kang Zhou,Ping Yao +1 more
TL;DR: The establishment of general models to online process analysis, quality estimation and real time control system design for obtaining welds with satisfactory quality still remains a big challenge in reality.
Journal ArticleDOI
A study of dynamic resistance during small scale resistance spot welding of thin Ni sheets
TL;DR: In this paper, the dynamic resistance curve can be divided into the following stages based on physical change in the workpieces: as perity heating, surface breakdown, asperity softening, partial surface melting, nugget growth and expulsion.
Book
Welding robots
TL;DR: The use of object-oriented and distributed software to assist industrial robotic welding applications is discussed and a system designed with the double objective of serving R&D efforts on welding applications and to assistindustrial partners working with welding setups is presented.
References
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Journal ArticleDOI
Comparative study of small scale and ‘large scale’ resistance spot welding
B.H. Chang,M.V. Li,Y. Zhou +2 more
TL;DR: In this article, an incrementally coupled electrical-thermal-mechanical model is developed to simulate small scale resistance spot welding (SSRSW) using the finite element method.
Journal ArticleDOI
Weldability of thin sheet metals during small-scale resistance spot welding using an Alternating-Current power supply
TL;DR: In this article, the effects of electrode materials and process parameters on joint strength and nugget size were investigated for small-scale resistance spot welding (SSRSW) and the welding current ranges for the sheet metals were determined based on the minimum current that produced a required diameter and maximum currents that did not result in electrode-sheet sticking or weld metal expulsion.
Journal ArticleDOI
Microresistance spot welding of Kovar, steel, and nickel
K. J. Ely,Y. Zhou +1 more
TL;DR: In this paper, the effects of process parameters (welding current/pulse energy, electrode force, and welding time /pulse width) on joint strength and nugget diameter were studied.
Journal ArticleDOI
High temperature soldering of SiC particulate aluminium matrix composites (series 2000) using Zn–Al filler alloys
TL;DR: In this paper, the solderability of three discontinuously reinforced aluminium matrix composites was evaluated using drop formation tests to evaluate the wettability of the molten filler alloys and sample joints were produced to determine solder penetration in the joint clearance.
Related Papers (5)
A study of dynamic resistance during small scale resistance spot welding of thin Ni sheets
Comparative study of small scale and ‘large scale’ resistance spot welding
B.H. Chang,M.V. Li,Y. Zhou +2 more