Miloš Mičian
YOU?
Author Swipe
View article: Enhancement of fatigue performance of thin HSLA steel laser-welded butt joints
Enhancement of fatigue performance of thin HSLA steel laser-welded butt joints Open
Welding thin sheets of high-strength steel presents significant challenges, especially due to the pronounced softening effect in the heat-affected zone, which can lead to a substantial reduction in the joint’s load-bearing capacity. While …
View article: Analysis of Heat Treatment of AlSi7Cu0.5Mg Alloy
Analysis of Heat Treatment of AlSi7Cu0.5Mg Alloy Open
This article describes how different heat treatment methods affect the mechanical properties of AlSi7Cu0.5Mg. This article offers a new perspective on the topic of heat treatment analysis. AlSi7Cu0.5Mg alloy has a specific chemical composi…
View article: Study of local mechanical properties and deformation mechanisms of the soft zone of welded joints of high-strength steels
Study of local mechanical properties and deformation mechanisms of the soft zone of welded joints of high-strength steels Open
High-strength steels (HSS) are crucial in the production of lightweight structures. Their welding creates a distinct heterogeneous heat-affected zone (HAZ) in which a softened zone with locally lower mechanical properties forms. This criti…
View article: The Influence of Induction Hardening, Nitriding and Boronising on the Mechanical Properties of Conventional and Sintered Steels
The Influence of Induction Hardening, Nitriding and Boronising on the Mechanical Properties of Conventional and Sintered Steels Open
Heat treatment technology changes all the mechanical properties of metallic materials. The influence of induction hardening, nitriding and boronising on the change in the microhardness, impact toughness, microstructure and coefficient of f…
View article: Softening effect in the heat-affected zone of laser-welded joints of high-strength low-alloyed steels
Softening effect in the heat-affected zone of laser-welded joints of high-strength low-alloyed steels Open
The softening effect, which occurs as an undesirable consequence of microstructural changes in the heat-affected zone as a result of the welding process, is an inherent aspect of welding high-strength low-alloyed steels. One of the recomme…
View article: Vplyv technológie tepelného spracovania na tribologické vlastnosti vybraných oceľových materiálov
Vplyv technológie tepelného spracovania na tribologické vlastnosti vybraných oceľových materiálov Open
The heat treatment technology changes all sorts of materials properties. We examined the change of tribological properties of selected powder metallurgy materials and conventional steels, in this article. We used special testing equipment,…
View article: Hodnotenie celistvosti zváraných potrubných zostáv z plastu kombinovanou skúškou pevnosti a tesnosti
Hodnotenie celistvosti zváraných potrubných zostáv z plastu kombinovanou skúškou pevnosti a tesnosti Open
The welding of plastic pipes during the reconstruction and construction of new gas networks is often accompanied by non-compliance with technological discipline. One of the prominent problems in the verification of the quality of the work …
View article: Application of high-strength steel in the Wire Arc Additive Manufacturing (WAAM) process
Application of high-strength steel in the Wire Arc Additive Manufacturing (WAAM) process Open
The work deals with the application of high-strength structural steel in the process of wire arc additive manufacturing (WAAM). In this work, layers are welded by the cold wire TIG method. The aim of the work is to analyse the effect of pr…
View article: Softening Effect in the Heat-Affected Zone of Laser-Welded Joints of High-Strength Low-Alloyed steels
Softening Effect in the Heat-Affected Zone of Laser-Welded Joints of High-Strength Low-Alloyed steels Open
The softening effect, which occurs as an undesirable consequence of microstructural changes in the heat affected zone (HAZ) as a result of the welding process, is an inherent aspect of welding high-strength low-alloyed (HSLA) steels. One o…
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: Characterization of the heat-affected zones in the laser welded joints of quenched and thermo-mechanically processed high-strength steels
Characterization of the heat-affected zones in the laser welded joints of quenched and thermo-mechanically processed high-strength steels Open
The objective of this research is to compare the heat-affected zone (HAZ) characteristics of quenched and thermo-mechanically processed high-strength steels. Laser-welded butt-welded joints of S690QL, S1100QL, and S700MC steels were used f…
View article: Stanovenie únavovej pevnosti zvarových spojov ocele S960MC zváraných laserovým lúčom
Stanovenie únavovej pevnosti zvarových spojov ocele S960MC zváraných laserovým lúčom Open
The work deals with determining the fatigue strength of butt-welded joints of S960MC steel. The fatigue strength of two versions of laser beam welded joints as well as the base material was assessed. To reduce the notch effect of the weld …
View article: Determination of Grain Growth Kinetics of S960MC Steel
Determination of Grain Growth Kinetics of S960MC Steel Open
Fine-grained high-strength low-alloyed (HSLA) steels are used for their advantageous combination of mechanical properties such as high yield strength, tensile strength, ductility, and good formability. These properties are mainly based on …
View article: Determination of CCT Diagram by Dilatometry Analysis of High-Strength Low-Alloy S960MC Steel
Determination of CCT Diagram by Dilatometry Analysis of High-Strength Low-Alloy S960MC Steel Open
High-strength steels are used more than general structural steel due to their combination of properties such as high strength, good toughness and weldability. They are mainly used in the manufacture of heavy vehicles for the mining industr…
View article: An analysis of strengthening mechanisms of TMCP HSLA steels
An analysis of strengthening mechanisms of TMCP HSLA steels Open
The article deals with an analysis of individual strengthening mechanisms used on microalloyed high-strength steel S960MC.The analysis was performed on the basis of theoretical knowledge, measured physical-metallurgical properties, microst…
View article: Modification of the structure and properties of hardfaced layers with TIG high frequency method
Modification of the structure and properties of hardfaced layers with TIG high frequency method Open
In this work the investigation is focused on changing the structure and hardness of the surface with high content of carbon and chromium. The use of welding methods to modify the properties of the surface layer allows for optimal use of th…
View article: The amount of heat input to the weld per unit length and per unit volume
The amount of heat input to the weld per unit length and per unit volume Open
This paper presents a comparative analysis of heat input per unit length and per unit volume for selected methods of welding. The purpose of the analysis is to assess the usability of calculating heat input per volume unit. The interpretat…
View article: Numerical simulation of a temperature field during multi-beads surface welding
Numerical simulation of a temperature field during multi-beads surface welding Open
Journal of Applied Mathematics and Computational Mechanics, Prace Naukowe Instytutu Matematyki i Informatyki, Politechnika Częstochowska, Scientific Research of the Institute of Mathematics and Computer Science, Czestochowa University of T…
View article: Influence of Welding Parameters and Filler Material on the Mechanical Properties of HSLA Steel S960MC Welded Joints
Influence of Welding Parameters and Filler Material on the Mechanical Properties of HSLA Steel S960MC Welded Joints Open
This article provides an overview of the influence of welding parameters and filler material on changes in the heat-affected zone (HAZ) of thermo-mechanically controlled processed (TMCP) steel welded joints. The research focused on evaluat…
View article: Determination of Phase Transformation Temperatures by Dilatometric Test of S960MC Steel
Determination of Phase Transformation Temperatures by Dilatometric Test of S960MC Steel Open
The phenomenon of "soft zone" is occurring in the heat affected zone (HAZ) of high strength low alloy (HSLA) steels.Therefore, the process of weld metal solidification and phase transformation in HAZ is essential to understand the behaviou…
View article: Investigation of Welds and Heat Affected Zones in Weld Surfacing Steel Plates Taking into Account the Bead Sequence
Investigation of Welds and Heat Affected Zones in Weld Surfacing Steel Plates Taking into Account the Bead Sequence Open
In this paper, the experimental investigation results of the bead sequence input on geometry, structure, and hardness of surfaced layers after multi-pass weld surfacing are analyzed. Three S355 steel plates surfaced by GMAW (Gas Metal Arc …
View article: The Analysis of Filler Material Effect on Properties of Excavator Crawler Track Shoe after Welding Regeneration
The Analysis of Filler Material Effect on Properties of Excavator Crawler Track Shoe after Welding Regeneration Open
The application of hardfacing is one of the ways to restore the functional properties of worn elements. The possibility of using filler materials rich in chrome allows for better wear resistance than base materials used so far. The paper p…
View article: Physical Simulation of Individual Heat-Affected Zones in S960MC Steel
Physical Simulation of Individual Heat-Affected Zones in S960MC Steel Open
This research is focused on the analysis of heat-affected sub-zones in 2 mm thick steel S960MC samples, with the aim of observing and evaluating the mechanical properties after exposure to temperatures corresponding to individual heat-affe…
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: Usage of microscopic methods in analysis of non-conforming nickel alloy products
Usage of microscopic methods in analysis of non-conforming nickel alloy products Open
The process of creating products with the required utility properties is a multi-stage process determined by a number of factors that determine the resulting quality.Today, given the pressure on the economic side of production, companies h…
View article: The effect of the preheating on to properties of the wear resistant welds
The effect of the preheating on to properties of the wear resistant welds Open
Wear resistant welds are used in many industries when it is necessary to protect machine components and structures against wear caused by operating conditions. Often the main parameter determining the usefulness of these welds is high hard…
View article: Effect of the t8/5 Cooling Time on the Properties of S960MC Steel in the HAZ of Welded Joints Evaluated by Thermal Physical Simulation
Effect of the t8/5 Cooling Time on the Properties of S960MC Steel in the HAZ of Welded Joints Evaluated by Thermal Physical Simulation Open
The heat input into the material during welding significantly affects the properties of high-strength steels in the near-weld zone. A zone of hardness decrease forms, which is called the soft zone. The width of the soft zone also depends o…
View article: Flow Simulation as a Support to Predict Shape of Plasma Beam Affected by the Nozzle Geometry
Flow Simulation as a Support to Predict Shape of Plasma Beam Affected by the Nozzle Geometry Open
This paper deals with flow simulation of plasma beam shape affected by the different nozzle geometry. The flow simulations for different nozzles geometry were made in simulation software Ansys-Fluent. The evaluation of flow simulations was…
View article: IMPROVING CUTTING CAPABILITY OF PLASMA BEAM BY MODIFYING THE NOZZLE GEOMETRY SUPPLIED BY FEM
IMPROVING CUTTING CAPABILITY OF PLASMA BEAM BY MODIFYING THE NOZZLE GEOMETRY SUPPLIED BY FEM Open
The paper deals with the effect of nozzle orifice geometry to the shape of plasma beam.Investigation focused to improvement cutting features like cutting speed, width and quality of cutting gap.The FEM analyse in the program Ansys -Fluent …
View article: Changes of microstructure and mechanical properties of the HAZ of the S960MC steel sheet weld joint
Changes of microstructure and mechanical properties of the HAZ of the S960MC steel sheet weld joint Open
The TMCP (thermo-mechanically controlled processed) steels belong to the group of ultra-high strength steels, which exhibit exceptional combination of high tensile and yield strength, toughness and ductility. These steels were introduced i…