Optimization of GTAW Al 3003 weld using fabricated nanocomposite filler metal

Ramkumar, K.; Natarajan, S.

doi:10.1080/10426914.2018.1532585

Cited by 14 publications

(5 citation statements)

References 14 publications

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“…Aluminum alloys also have good corrosion resistance and strength to weight ratio [5][6][7][8] . There are many variants to joint aluminum, such as RSW 9,10) , FSW/FSSW 11,12) , GMAW 13,14) , one of the most widely joint processes for aluminum alloys is GTAW, it utilizes an inert gas for arc shielding and non-consumable tungsten (pure or alloy) electrode 15,16) . GTAW process has several advantages such as stable process, high quality with less spatter, and good weld bead appearance.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Temperature History, Porosity and Fracture Mode on AA1100 Using the Controlled Intermittent Wire Feeder Method

Baskoro¹,

Amat²,

Putra³

et al. 2020

Evergreen

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In this study, the effect of variation of intermittent wire feeding method on thermal histories during the welding process, the physical appearance, mechanical properties, and fracture mode was investigated. The configuration parameter of wire feeding was determined by the properties of the so-called length ratio (RL). It was influenced by welding speed, wire feeding speed, feeding time, and delaying time. Bigger value of length ratio tends to have a smaller bead width with a higher cap. Also, a larger ratio tends to have bigger tensile strength and the fracture location close to the weld bead.

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Section: Introductionmentioning

confidence: 99%

Investigation of Temperature History, Porosity and Fracture Mode on AA1100 Using the Controlled Intermittent Wire Feeder Method

Baskoro¹,

Amat²,

Putra³

et al. 2020

Evergreen

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show abstract

“…The desirability for results obtained vary with respect to the circumstances and criteria will be framed accordingly to the objective functions [10,[36][37][38][39][40]. The regression equations developed earlier were considered to be objective functions for optimization.…”

Section: Optimization Using Desirabilitymentioning

confidence: 99%

Effect of welding process parameters on surface topography and mechanical properties of friction-stir-welded AA2024/AA2099 alloys

Rajkumar¹,

Singh²,

Anbarasan

et al. 2023

Mater. Res. Express

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The joining of two material with different chemical composition was a major setback for conventional methods of metal joining. The results of this welding were showing considerably great improvement in the aspects of quality of weld, amount of heat generated, uniform distribution of material, refined microstructure, enhanced tribology, materials flowing pattern, good strength with reduced internal stresses. Optimized parameters were estimated by using Desirabilty approach and Response surface methodology. Optimum parameter combination for dissimilar material welding was observed to be 913.74 rpm, 45 mm/min and 8kN. The desirability values for dissimilar welding process were 0.912 respectively. The grain enhancements were decreased in the range of WC> WT> HAZ> Parent material. The wear rate of dissimilar AA2024 and AA2099 were superior as the wear value increases from 0 to 50μm in the nugget zone. The coefficient of friction value remains constant throughout the wear experiment ranges from 0.3 to 0.55. Steady state friction values of 3N to 5N is observed when sliding distance increases. The wear loss was measured by finding the difference between initial weight and final weight and found as in the range from 0.2283 g to 0.4866 g.

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“…Response surface methodology (RSM) has been used to optimize the process parameters in various studies [8][9][10]. In one of the study, the influence of A-TIG welding variables, such as current, speed, and flux coating density on the weld bead geometry was investigated using RSM.…”

Section: Introductionmentioning

confidence: 99%

A study of tribological behaviour and optimization of WC-10Co-4Cr Cladding

Singh

Thakur

Angra

2020

Surface Engineering

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The present study examines the effect of processing parameters on the abrasive wear behaviour of WC-10Co-4Cr TIG cladding. A response surface methodology-based central composite design was used to predict the optimized process parameters. Microstructure of the claddings processed at different parametric conditions was investigated through field emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction analysis. A pin-on-disk tribometer was used to assess the tribological behaviour of the claddings. The surfaces of worn-out claddings revealed that the SiC abrading particles removed the material by yielding and ploughing of soft CoCr matrix. This results in the loosening and pull out of WC grains from CoCr matrix. However, the cladding obtained at optimum processing condition exhibited the better wear resistance as compared to the other claddings due to the presence of a large number of partially melted WC grains. Improvement in the hardness and fracture toughness also lead to the enhancement in abrasive wear resistance of optimized TIG cladding.

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Optimization of GTAW Al 3003 weld using fabricated nanocomposite filler metal

Cited by 14 publications

References 14 publications

Investigation of Temperature History, Porosity and Fracture Mode on AA1100 Using the Controlled Intermittent Wire Feeder Method

Investigation of Temperature History, Porosity and Fracture Mode on AA1100 Using the Controlled Intermittent Wire Feeder Method

Effect of welding process parameters on surface topography and mechanical properties of friction-stir-welded AA2024/AA2099 alloys

A study of tribological behaviour and optimization of WC-10Co-4Cr Cladding

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