Jozef Bárta
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View article: ANALYSIS OF THE INFLUENCE OF ARC LENGTH AND DYNAMICS CORRECTION ON THE DIMENSIONAL CHARACTERISTICS OF WELD OVERLAYS USING THE DOE METHOD
ANALYSIS OF THE INFLUENCE OF ARC LENGTH AND DYNAMICS CORRECTION ON THE DIMENSIONAL CHARACTERISTICS OF WELD OVERLAYS USING THE DOE METHOD Open
Wire Arc Additive Manufacturing (WAAM) is an arc-based additive manufacturing process used for the layer-wise fabrication of metallic components. The used process parameters significantly affect process stability, deposition quality, and s…
View article: Evaluation of Structural Transition Joints Cu-Al-AlMg3 Used in Galvanizer Hangers
Evaluation of Structural Transition Joints Cu-Al-AlMg3 Used in Galvanizer Hangers Open
The paper deals with the evaluation of the quality of Cu-Al-AlMg3 structural transition joints (STJ) made by explosion welding proposed for the renovation of galvanizer hangers. The three-layer joint consisted of electrolytic copper with a…
View article: The Effect of Interpass Temperature on the Mechanical Properties and Microstructure of Components Made by the WAAM Method from Inconel 718 Alloy
The Effect of Interpass Temperature on the Mechanical Properties and Microstructure of Components Made by the WAAM Method from Inconel 718 Alloy Open
The following study examines the impact of temperature on the deposition of components using Cold Metal Transfer–Wire Arc Additive Manufacturing technology. In the experiment, two overlay weld wall structures were created by applying an in…
View article: Investigation of Beam Welding Technologies Effect on the Properties of Welded Joints of S960MC Steel
Investigation of Beam Welding Technologies Effect on the Properties of Welded Joints of S960MC Steel Open
InvestIgatIon of Beam WeldIng technologIes effect on the ProPertIesof Welded JoInts of s960mc steel the work is focused on welding of fine-grained ultra-high-strength steel S960MC by laser beam welding and electron beam welding technologie…
View article: Influence of 40% Cold Working and Annealing on Precipitation in AISI 316L Austenitic Stainless Steel
Influence of 40% Cold Working and Annealing on Precipitation in AISI 316L Austenitic Stainless Steel Open
Intergranular corrosion is one of the most important processes affecting the behaviour of austenitic stainless steels. Factors such as steel chemical composition, the degree of prior deformation and the exposure temperature affect the degr…
View article: INFLUENCE OF HEAT TREATMENT ON MECHANICAL PROPERTIES OF WELDED JOINTS OF AW 2099 ALLOY
INFLUENCE OF HEAT TREATMENT ON MECHANICAL PROPERTIES OF WELDED JOINTS OF AW 2099 ALLOY Open
The paper is focused on the determination of the heat treatment effect on AW2099 welded joints properties. Laser beam welding was applied at constant welding parameters during the experiment. After the welding, solution annealing and artif…
View article: The Influence of Surface Roughness on Laser Beam Welding of Aluminium Alloys
The Influence of Surface Roughness on Laser Beam Welding of Aluminium Alloys Open
A laser beam is the light that is subject to the laws of physics. Surface roughness can cause that the light can be reflected in different angles. Therefore, the surface roughness may influence the amount of light to be reflected so the po…
View article: Influence of Surface Roughness on Selected Geometric Characteristics of Laser Beam Welded Joints of AW 2099 Alloy
Influence of Surface Roughness on Selected Geometric Characteristics of Laser Beam Welded Joints of AW 2099 Alloy Open
Al-Li alloys are used in various industries owing to their good mechanical and physical properties. However, one of the limiting factors of welding the aluminium alloys by laser beam is the high reflectivity of the beam and thus the reduce…
View article: Electron Beam Welding of 2099-T83 Aluminium-lithium Alloy Thick Plates
Electron Beam Welding of 2099-T83 Aluminium-lithium Alloy Thick Plates Open
The paper deals with the welding of AW 2099-T83 aluminium lithium alloy being used for construction of lower wing stringers. The thickness of AW 2099-T83 aluminium lithium alloy was 25.4 mm. Electron beam welding with the accelerating volt…
View article: Analysis of weld joints made of titanium alloy GRADE 2 produced by electron beam welding
Analysis of weld joints made of titanium alloy GRADE 2 produced by electron beam welding Open
Selected properties of welded joints of 2 mm thick titanium alloy Grade 2 produced by different welding parameters of electron beam welding were investigated. The visual inspection, macro and micro analysis, tensile strength test and micro…
View article: Material Characteristics of Low Carbon Steel Sheets Treated by Nitro-Oxidation in Fluid Environment
Material Characteristics of Low Carbon Steel Sheets Treated by Nitro-Oxidation in Fluid Environment Open
The paper deals with a detailed analysis of deep drawing DC 01/DIN EN 10130-9 steel sheets of 1 mm in thickness treated by nitro-oxidation in fluid environment. The nitridation at 580°C/45 min and oxidation at 350°C/5 min was used. The sur…
View article: Material Characteristics of Low Carbon Steel Sheets Treated by Nitro-Oxidation in Fluid Environment
Material Characteristics of Low Carbon Steel Sheets Treated by Nitro-Oxidation in Fluid Environment Open
The paper deals with a detailed analysis of deep drawing DC 01/DIN EN 10130-9 steel sheets of 1 mm in thickness treated by nitro-oxidation in fluid environment. The nitridation at 580°C/45 min and oxidation at 350°C/5 min was used. The sur…
View article: Fatigue properties of weld joint of steel sheets treated by PLASOX process
Fatigue properties of weld joint of steel sheets treated by PLASOX process Open
The paper deals with the fatigue properties of weld joints of thin steel sheets DC01 as well as the fatigue properties of weld joints of steel sheets DC01 treated by the PLASOX process, which is patented by RÜBIG company. Fatigue propertie…
View article: Impact of Machined Workpiece Position in Workspace on Precision of Manufacturing Using an Angular Robot
Impact of Machined Workpiece Position in Workspace on Precision of Manufacturing Using an Angular Robot Open
Use of an industrial robot in the production process as a spindle carrier is currently an interesting topic. However, if the stiffness of the robot is not sufficient, various imprecisions may occur during machining. The article deals with …
View article: Research of Wettability of In Solder on Al2O3 Ceramic During Laser Beam Heating
Research of Wettability of In Solder on Al2O3 Ceramic During Laser Beam Heating Open
The work deals with investigation of wettability of In solder on Al2O3 ceramic substrate heated by laser beam.The soldering process was realized withou using od flux.Designed laser beam power was 1.1 kW and 0.5 kW.The In solder of high pur…
View article: Case Study of Electron Beam Welding in Automotive Industry
Case Study of Electron Beam Welding in Automotive Industry Open
The laser and electron beam welding belong to progressive welding methods and their application is rapidly being expanded.The mentioned methods are, as an example, widely applied in an automotive and engineering industry i. e. in mass as w…
View article: Inaccuracies of industrial robot positioning and methods of their correction
Inaccuracies of industrial robot positioning and methods of their correction Open
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