Ústav konstruování
Browse by
Recent Submissions
-
Effect of Contact Conformity on Grease Lubrication
(MDPI, 2022-11-01)This work focused on the experimental study of grease lubrication mechanisms around contacts in radial ball bearing 6314. The main objective of this work was to show the influence of conformities and their impact on grease ... -
Additive manufacturing capabilities for heat switch technology: Key challenges & knowledge gaps
(EUCASS association, 2022-09-28)The paper is to provide an overview of the key challenges and knowledge gaps in additive manufacturing of metals applied to two parts of a novel heat switch technology – a Baseplate and a Flexible thermal structure. Additive ... -
Experimental Evaluation of Modified Groundhook Car Suspension with Fast Magnetorheological Damper
(MDPI, 2022-11-29)The car suspension setting is always a trade-off between comfort and handling. The semi-active damper system seems to be an option for reducing the compromise between the two demands. This paper deals with the effect of ... -
Effect of Preheating on the Residual Stress and Material Properties of Inconel 939 Processed by Laser Powder Bed Fusion
(MDPI, 2022-09-13)One of the main limitations of laser powder bed fusion technology is the residual stress (RS) introduced into the material by the local heating of the laser beam. RS restricts the processability of some materials and causes ... -
Elastohydrodynamic lubrication of compliant circular contacts near glass-transition temperature
(MDPI, 2022-07-13)Lubrication of polymer materials nowadays represents a subject of interest in many engineering applications, such as bearings or gears, to utilize them in the areas where conventional metal materials have so far dominated. ... -
Transient response of magnetorheological fluid on rapid change of magnetic field in shear mode
(Springer Nature, 2022-07-09)The transient behaviour of magnetorheological (MR) devices is an important parameter for modern semi-actively controlled suspension systems. A significant part of the MR device response time is the MR fluid response time ... -
The effect of top of rail lubricant composition on adhesion and rheological behaviour
(Elsevier, 2022-01-23)The effect of top of rail lubricant composition on adhesion has been investigated using a laboratory ball-on-disc tribometer. Rheological properties were analysed using viscosimeter and high pressure torsion device. As a ... -
Deviations of the SLM produced Lattice Structures and Their Influence on Mechanical properties
(MDPI, 2022-04-26)Selective laser melting (SLM) is an additive manufacturing technology suitable for producing cellular lattice structures using fine metal powder and a laser beam. However, the shape and dimensional deviations occur on the ... -
Review: A Survey on Configurations and Performance of Flow-Mode MR Valves
(MDPI, 2022-06-20)Magnetorheological (MR) actuators are semi-active devices controlled by magnetic stimuli. The technology has been commercialized in the automotive industry or high-quality optical finishing applications. It harnesses the ... -
A study of hydraulic resistance of viscous bypass gap in magnetorheological damper
(Mendel University in Brno, 2016-08-24)The paper presents hydraulic resistance of viscous bypass hole in magnetorheological damper. The suitable design of bypass hole is essential for efficient function of MR damper in automotive industry. In the paper analytical ... -
Non-linear dynamic finite element analysis of micro-strut lattice structures made by laser powder bed fusion
(Elsevier, 2022-04-15)The development of additive manufacturing technologies enables the production of a new type of porous materials for the absorption of mechanical energy. These are, for example, metallic lattice structures produced by laser ... -
Biotribology of synovial cartilage: Role of albumin in adsorbed film formation
(Elsevier, 2021-12-23)A properly lubricated natural synovial joint is the basis of the proper function of the natural musculoskeletal system to lead an active and painless life. A properly lubricated natural synovial joint is the basis of the ... -
The Volumetric Method Describing the Life Cycle of Power Tools during Their Production with Different Ends of Life
(MDPI, 2022-01-27)The amount of power consumption of the product life cycle has a significant impact on global warming. To determine these negative impacts, life cycle assessment (LCA) is used. These methods are time-consuming and expensive ... -
Direct comparison between Co-28Cr-6Mo alloy prepared by Selective Laser Melting and traditional investment casting
(IOP Publishing, 2021-09-22)Thanks to high mechanical properties stable at elevated temperatures, high abrasion resistance, suitable corrosion resistance and biocompatibility, ternary cobalt alloy Co-28Cr-6Mo is a widely used material in the field ... -
Insight into the Lubrication and Adhesion Properties of Hyaluronan for Ocular Drug Delivery
(MDPI, 2021-09-30)Hyaluronan (HA) is widely used for eye drops as lubricant to counteract dry eye disease. High and low molecular weight HA are currently used in ophthalmology. However, a large portion of the current literature on friction ... -
Triple-pulse LIBS: Laser-induced breakdown spectroscopy signal enhancement by combination of pre-ablation and re-heating laser pulses
(The Royal Society of Chemistry, 2020-02-01)The goal of this work is to examine the effect of a third additional laser pulse on orthogonal double-pulse laser-induced breakdown spectroscopy (DP LIBS). Namely, a pre-ablation laser pulse and re-heating laser pulse were ... -
Effects of solid friction modifier on friction and rolling contact fatigue damage of wheel-rail surfaces
(Springer, 2021-07-22)In railway network, friction is an important factor to consider in terms of the service behaviors of wheel-rail system. The objective of this study was to investigate the effect of a solid friction modifier (FM) in a railway ... -
Raman analysis of chemisorbed tribofilm for metal-on-polyethylene hip joint prostheses
(The Institution of Engineering and Technology, 2021-05-25)The biochemical reaction during the formation of lubricant film the in case of a cobalt-chromium ball on an ultrahigh-molecular weight polyethylene cup was studied. Three types of model synovial fluids and hyaluronic acid ... -
Towards the Understanding of Lubrication Mechanisms in Total Knee Replacements – Part I: Experimental Investigations
(Elsevier, 2021-04-01)This contribution is aimed at the detailed understanding of lubrication mechanisms within total knee replacement. While Part I is focused on the experimental investigation, Part II deals with the development of a predictive ... -
Inlet shape optimization of pneumobil engine pneumatic cylinder using CFD analysis
(IOP Publishing, 2021-06-01)The aim of this study is to minimize minor losses in cap-end ports of a pneumatic cylinder used in pneumobil vehicle engine. Six geometry arrangements of intake ports,including the currently used version, were designed ...
RSS 1.0