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Article
Prediction of weld porosity (pit) in gas metal arc welds
Recently, in the automobile industry, the use of zinc-plated high-strength steels has been increasing to lighten vehicles and improve safety. In this scenario, gas metal arc welding (GMAW) processes are applie...
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Article
A study on life evaluation & prediction of railway vehicle contactor based on accelerated life test data
In this recent tendency, an accelerated life test (ALT) is used to evaluate stability and reliability of machinery parts and systems for short periods. As ALT is performed by applying high stress compared to n...
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Article
An ANFIS based approach for predicting the weld strength of resistance spot welding in artificial intelligence development
Artificial intelligence (AI) is a modern approach which has the ability to capture nonlinear relationships and interaction effects. Frequently, AI methods have been used by researchers to predict output respon...
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Article
Rapid processing for organic photovoltaic devices
Simplified rapid drying and sintering methods, utilizing far-infrared and microwave radiation, for the fabrication of inverted type organic photovoltaic (OPV) devices have been studied in order to reduce proce...
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Article
Effect of a conically shaped hollow electrode on advanced high strength steel in three-sheet resistance spot welding
Application of high strength steel is one of the most promising solutions to the problem of vehicle weight reduction. However, weldability problems occur when three sheet metals of the high strength steel are ...
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Article
The arc phenomenon by the characteristic of EN ratio in AC pulse GMAW
In the automotive industry, aluminum alloy has been recently used to reduce vehicle weight of the vehicle body. Due to the high electrical and thermal conductivities and low melting point of aluminum alloy, ho...
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Article
Optimization of arc-start performance by wire-feeding control for GMA welding
The wire feeding system for gas metal arc welding usually consists of a wire feeder and a torch. In many industries, the distance between the wire feeder and the torch is generally 3 m to 5 m. In a conventiona...
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Article
Development of a spot weld analysis model that incorporates strain rate
Most welding element models are simplified rather than detailed to reduce analysis time and to incorporate multiple welding elements into a structure. Nevertheless, a simple model should describe the real proc...
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Article
Laser welding of cast iron and carburized steel for differential gear
This study concerned laser welding replacing the traditional bolted connection of the ring gear and differential case in the power train of the automobile. Laser welding is necessary to reduce weight and manuf...
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Article
Study on the welding technology of a pleated type metallic filter using micropulse gas tungsten arc welding
The welding technology of a pleated type metallic filter is an important factor when considering influences on filter quality. In this study, micropulse gas tungsten arc welding (GTAW) was used to weld the ple...
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Article
Process modeling and parameter optimization using neural network and genetic algorithms for aluminum laser welding automation
In the automotive industry, applying aluminum alloys to car chassis have become an important concern in order to reduce car weight. In aluminum laser welding, the strength of weld is typically reduced by poros...
