Open Access Conference Proceedings

Abstract: Grade 20MnCrS5 is a structural alloy steel for surface hardening. Despite the low carbon content, it exhibits good wear resistance after hardening. [..] Read more

Abstract: The steel with 0.3% C – 1.2% Mn – 0.8% Cr – 0.2% Mo is intended for the production of seamless pipes in the Mannesmann method, i.e. by piercing of the round billet by skew rolling and subsequent longitudinal rolling on a pilgrim mill. [..] Read more

Abstract: In the pursuit to produce the best product at the lowest cost, much can be done to reduce the cost of production. One of these methods, which is nowadays inseparable from the development part of production, is numerical simulation. [..] Read more

Abstract: During the pressing of sheet metal parts, cracks may form around the holes that weren't predicted by numerical simulations. These cracks are caused by the partial depletion of the forming capacity at the edges of the hole due to the preparation technology used, most often shearing. [..] Read more

Abstract: In modern engineering, the possibility of predicting the behaviour of processed material by means of numerical simulation is increasingly used. Knowledge of this issue is important to ensure the stability of the pressing process. [..] Read more

Abstract: The 3D printing method is a widely used technology for industrial and domestic applications. This paper deals with the design of forming tools for sheet metal drawing made of PLA plastic, produced by the FFF 3D printing method, and used to create a lock cover part from DX56 sheet metal of 0.7 mm. [..] Read more

Abstract: The paper concerns the evaluation of the formability of sheet metal by means of the cylindrical cup drawing test, which belongs to the imitation tests of the formability of sheet metal, and the influence of individual factors on the results of drawing. Experimental drawing of cylindrical stampings from a set of blanks from Cu-ETP (also known as conductive copper) sheet with a circular element deformation network was carried out using a special jig in the Department of Mechanical Technology, Faculty of Mechanical Engineering, VSB - Technical University Ostrava. [..] Read more

Abstract: The process of closing defects in 12% Cr austenitic stainless steel by radial shear rolling on an RSP 10-30 mill was investigated. The advantage of radial shear rolling over other rolling methods is that it is an efficient way of achieving a high monotonic uniform deformation of the steel. [..] Read more

Abstract: This article focuses on the influence of simplification of thermophysical properties on computational modelling of heating process of steel billets in pusher-type reheating furnaces. The objective is to investigate the impact of the simplification of thermal conductivity and heat capacity on the temperature gradient within the material surface and the centre. [..] Read more

Abstract: Ferritic-martensitic Eurofer-97 and oxide dispersion strengthened (ODS) Eurofer steels are potential candidates for structural applications in advanced nuclear reactors. Influence of scandium, yttrium, and aluminum addition was studied at 600 °C using 10-6 wt.% oxygen concentration. [..] Read more

Abstract: One of the methods of evaluating the mechanical properties of a material in the case of its limited amount l is the use of techniques that employ the miniaturized test specimens. The basic properties used mostly for residual life evaluation are tensile strength, impact notch toughness or impact notch toughness transition curve, fracture toughness, creep and high cycle fatigue. [..] Read more

Abstract: Mechanical properties of steel workpiece are often evaluated based on its hardness. For quenched and tempered steels, hardness can be predicted based on quenching and tempering processing parameters. [..] Read more

Abstract: Hot-work tool steels are extensively used in industrial applications that require high resistance to mechanical and chemical degradation at elevated temperatures. To meet these requirements, hot-work tool steels must exhibit good mechanical properties, including high tensile strength, hardness, wear resistance, and tempering resistance, as well as high thermal conductivity and ductility. [..] Read more

Abstract: The paper deals with the issue of temperature dependence of emissivity in reference paints for surface homogenization during non-contact temperature measurement using infrared camera. Two different paints for high-temperature applications are under investigation. [..] Read more

Abstract: Duplex steels are an austenitic-ferritic type of stainless steel. They have better mechanical strength, corrosion resistance, and fatigue strength in aggressive environments compared to traditional stainless steels in the food industry such as AISI 316 or 304. [..] Read more

Abstract: The article presents the results of research concerning laser lap welding of similar and dissimilar joints. Research was performed using two commonly used materials: austenitic stainless steel in grade 316L and structural ferritic-perlitic S355J2 steel. [..] Read more

Abstract: Steel 16Mo3 (P1 according to ASTM) represents still a popular material used in waterwalls, pipelines and other components of steam power plant boilers operating at temperature up to 530 °C. However, the absence of other alloying elements (especially chromium) reduces the long-term structural stability of this steel especially at temperatures higher than 450 °C. [..] Read more

Abstract: Low carbon high-strength steel sheets are in scope of the material research mainly used as structural materials for automotive industry. Cold forming is the most prominent technology of achieving the final shape of the parts made of thin sheet. [..] Read more

Abstract: Weathering steel structures are protected by patina layer. The development of the protective patina layer depends on exposure conditions. [..] Read more

Abstract: This paper presents the results of tribological wear resistance tests on pure chromium subjected to xenon ion implantation with an energy of 160 MeV. Chromium is a very popular engineering material used in many industries, including aerospace, automotive, power generation and electronics. [..] Read more