Open Access Conference Proceedings

Abstract: The effect of the strain accumulation by changing the number of rolling passes on the rolling force, structure and mechanical properties of austenitic Cr-Ni-Ti stainless steel with different carbon contents has been studied. An increase of the number of passes for a given overall reduction was found to have a beneficial effect on tensile properties while maintaining adequate ductility. [..] Read more

Abstract: In modern industry the most urgent problem is to increase the physical and mechanical properties of metal materials. One of the promising ways to improve such properties is to grind the elements of the grain structure to an ultrafine-grained (UFG) state. [..] Read more

Abstract: At the beginning of the production of body parts from Al-alloy, there was a requirement to experimentally verify its suitability for their production. This alloy is characterized by a combination of various stress-deformation properties influencing the non-uniform plastic flow of the material, especially during deep drawing of complex shaped drawn parts. [..] Read more

Abstract: During forging, dies are subject to a complex load collective caused by combined thermally and mechanically induced stresses. Crack formation and deformation on tool surfaces, as a result of low fatigue resistance, lead to tool failure and high process costs. [..] Read more

Abstract: The paper deals with comparison of forging technology and selected forming factors on structure of the tool steel EN X160CrMoV12-1. Steel under investigation is a high-alloyed Cr-Mo-V tool steel for exploitation both in hot and cold conditions. [..] Read more

Abstract: Research into new forming methods has yielded new techniques of altering the microstructure in hypereutectoid steels. An innovative approach to processing can lead to improved mechanical properties thanks to elimination of problematic and undesirable sharp-edged carbides which are very difficult to dissolve. [..] Read more

Abstract: Determining the limit states (both theoretically and experimentally) of formed parts in the sheet metal forming represents quite important material characteristics, which are commonly applied e.g. in the field of numerical simulations. [..] Read more

Abstract: This work is devoted to one of the most important problems of modern physics of strength and plasticity – to the behavior of metals under various conditions of intense external influences. These are large plastic deformations, the formation of nanocrystalline structures under these conditions, complex cooperative dynamic processes in the zones of deformation localization, low temperatures or high deformation rates, high-strength materials, etc. [..] Read more

Abstract: The influence of initial soaking and parameters of hot plastic working on the deformability and microstructure of the A-286 superalloy have been presented. The research was performed on a torsion plastometer in the range of temperatures of 900 - 1150 °C, at a strain rates of 0.1 s-1 and 1.0 s-1. [..] Read more

Abstract: This paper describes experimental stages of a cooling system designing procedure in laboratory conditions of vertically and horizontally moving surfaces. First stage of the experimental research is focused on a study of a water flow distribution and impact pressure using laboratory equipment and software. [..] Read more

Abstract: In recent years, great effort has been made in all branches of industries to put into practise new methods and procedures using numerical support for technological processes, digitization and robotization of the production operations. The complex of these measures is known as Industry 4.0, which aims to reduce production costs, while increasing the flexibility of companies. [..] Read more

Abstract: The practical aim of the following study was to develop a new roll pass design (RPD) of the channels (UPN) and introduce it into industrial rolling. The necessity of usage of a charge stock with a greater cross section has caused necessity of an application of the new rolling schedule characterized by large deformations. [..] Read more

Abstract: In order to reduce the number of process steps of steel forging processes. and thus also tool wear and process costs, tailored preform geometries can be produced by casting. [..] Read more

Abstract: The paper presents the study results of microstructure, phase composition, microhardness and wear resistance of Vanadis-6 tool steel after diffusion boriding and laser processing. In this study the diode laser device was used. [..] Read more

Abstract: The article is focused on the process of severe plastic deformation (SPD). New method using the SPD principle (DRECE) is described in the article. [..] Read more

Abstract: This study deals with the experimental processing of a tungsten heavy alloy prepared by powder metallurgy using the technology of rotary swaging. Rotary swaging took place at a temperature of 900 ° C. [..] Read more

Abstract: The approach of the most common industry-specific FE-systems for the service life evaluation of forming tools holds some disadvantages. For example, within the decoupled tool analysis, load situations are typically analysed at room temperature and thus, the transient temperature development in the forging die is not considered in the lifetime evaluation. [..] Read more

Abstract: An overview of the prospects for the development of nuclear technologies and the conclusion of the relevant requirements for advanced structural materials, their classification and features were described. In order to obtain a bar with a modified radiation-resistant outer layer, an experiment on radial-shear rolling of the Zr-1% Nb alloy in conditions favorable for the UFG structure formation was conducted. [..] Read more

Abstract: The progressive development of microprocessors and piezoelectric actuators causes the development of micro-machines and the need for micro parts. For these reasons, accelerated development of microforming technology should be anticipated. [..] Read more

Abstract: In order to reduce CO2 emissions, lightweight constructions and the use of steel-aluminium components have become increasingly important in current product development. When manufacturing such components, the dissimilar chemical and physical properties of these materials lead to major challenges in terms of metallurgical bond formation during joining. [..] Read more