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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Verbiţchi, Victor
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Topics
Publications (9/9 displayed)
- 2020Considerations on the Ultimate Tensile Strength of Butt Welds of the EN AW 5754 Aluminium Alloy, Made by Friction Stir Welding (FSW)citations
- 2019Technical Characteristics of the Equipment for Friction Stir Welding (FSW), Depending on the Base Metalscitations
- 2019General Aspects Concerning Possibilities of Joining by Friction Stir Welding for some of Couples of Materials Usable in the Automotive Industrycitations
- 2018New Joining Techniques for the Production of the Electrical Components in the Automotive Industrycitations
- 2018Functional Layers of Aluminium Alloy on Steel Made by Alternative Friction Processes, for Elements of Metal Structurescitations
- 2016Possibilities for Application of Friction Stir Welding Process to Titanium TiGr2citations
- 2016Examination of Noxious Emissions of the Welding Process “Cold Metal Transfer (CMT)”citations
- 2015Improving a Brazed Joint Structure, with a New Ecological Brass
- 2014New Ecological Technique for Soldering of Metallic Materialscitations
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article
Examination of Noxious Emissions of the Welding Process “Cold Metal Transfer (CMT)”
Abstract
<jats:p>For the examination of noxious emissions, cladding tests were performed according to EN ISO 6847. The filler materials were 1.2 mm diameter wire-electrodes, made of tin bronze, aluminium bronze, austenitic stainless steel, duplex stainless steel and nickel alloy.The low-energy metal transfer welding process, named CMT (cold metal transfer) was examined, on the welding source type Trans Puls Synergic 2700 CMT, of 270 A, produced by the company Fronius, Austria. For sampling welding smoke particles, an Apex type pump was used. For measuring the concentration of gases emitted by welding, a Triple Plus type multi-gas detector was applied.The particulate emission rate is 0.500 mg / m3 in the breathing zone, according to ISO 10882-1. For comparison, the measured emission rate is from 0.877 to 2.513 mg / m3 in the welding zone, according to ISO 15011-1. The concentration of the emitted gases is in the ranges: 0.14 to 0.16% CO2; 0.1-0.2 ppm NO2; 0-15 ppm H2; 0-5 ppm CO. These concentration levels are below the exposure limits (8 hours per day, five days a week): 5% CO2; 1.0 ppm NO2; 30 ppm CO. In conclusion, the emissions from the CMT welding process are without health risk for the welder.</jats:p>