Open Access Conference Proceedings

Abstract: Cold spray (CS) is a promising technology for the restoration of worn parts manufactured from numerous materials. The most important benefits are the preclusion of phase transformation caused by bonding by plastic deformation at low temperatures, providing oxide-free coatings with internal compressive residual stresses. [..] Read more

Abstract: This paper investigates the influence of thermal spray parameters of the high-velocity oxygen fuel (HVOF) process on the properties of cermet coatings prepared from commercially available Amperit 551 WC-CrC-Ni powder. Three different processing parameters were applied to optimize the production process with the aim to achieve preeminent mechanical properties and fully dense material without microstructural defects. [..] Read more

Abstract: DLC films have special properties, which are of great interest in fields of tribology, e. g. [..] Read more

Abstract: Superalloys are used in a wide range of applications in aviation, aerospace and nuclear energy industries. Inconel 718 is a nickel-based superalloy that provides remarkable mechanical properties and surface stability at elevated temperatures. [..] Read more

Abstract: Infrared thermography is a fast and illustrative nondestructive testing method, which is widely used for an inspection of metallic and non-metallic materials. Previously it was used mostly for defects indication. [..] Read more

Abstract: The article deals with the thermodynamics of the process in the ore-thermal processing of copper smelting slag, the experimental study of ore-smelting processing of copper smelting slag, and the development of a mathematical model for obtaining iron-containing alloys from copper slag, development of a technological scheme for obtaining iron-containing alloys from copper slag-information on the application and approbation of the technology in the production of the results.The assessment of the possible direction of the carbothermic reactions that take place between the oxidised compounds in the slag and the carbon was carried out by changing the thermodynamic values ​​of the system. Thermodynamic analyses were performed, taking into account the temperature dependence of the isobaric-isothermal potentials (Gibbs free energy).. [..] Read more

Abstract: A novel technique was developed to fight magnesium fires of different sizes and vigour. In essence, cellulose flakes, as they are used as blow-in insulation material, are modified with inorganic salts. [..] Read more

Abstract: Functionally graded materials (FGMs) are advanced engineering materials developed due to their superior properties where traditional composite materials are not sufficient. Nowadays, the development and application of these materials for the potential areas have attracted much more attention. [..] Read more

Abstract: In the conventional powder metallurgy (PM) process route, finished components are produced from metallic powder materials by pressing at room temperature followed by pressureless sintering in a furnace. This simple method for fast and cost-effective processing is not suitable for γ-based titanium aluminides. [..] Read more

Abstract: With the electrification of the road vehicles in recent years, the development of electric motors strives towards smaller and more efficient designs. In order to push forward the current limits of the electric and magnetic properties, e.g. [..] Read more

Abstract: High strength and low density requirement is the fundamental issue in aerospace industry. Many new engineering materials have been focused in recent years. [..] Read more

Abstract: Additive manufacturing (AM) has been increasingly used to produce metal components in the last few decades. One of the most popular AM technologies is Selective Laser Melting (SLM). [..] Read more

Abstract: Aluminum based alloys have been widely used in the automotive, aircraft and defense applications because of good thermal and electrical conductivity, high tensile strength-to-weight ratio, high hardness, and ductility properties. Graphene, is an allotrope of carbon, attracts great attention worldwide due to its sp2-hybridized two-dimensional honeycomb structure, low weight, thermal, electrical, and mechanical properties. [..] Read more

Abstract: The AlSi10Mg alloy is widely used to produce complex-shaped components by Laser-based Powder Bed Fusion (L-PBF); these parts, characterized by light structures and high specific strength, are currently employed in high-performance room temperature applications in the automotive and aerospace industries. However, it is important to increase the data concerning the high-temperature mechanical properties of the L-PBF AlSi10Mg alloy to spread its use. [..] Read more

Abstract: The Mn2FeSi inverse-Heusler alloy was prepared by solid-state reactions using ball milling for 168 h in n-hexane. Two milling procedures varying in the ball-to-powder ratio, namely 4:1 and 10:1, were used to follow their influence on alloy formation and its physical properties. [..] Read more

Abstract: Processing of polymetallic ores, especially deep-sea nodules, is always considered as extraction of individual metals. This work brings a new approach, i.e. [..] Read more

Abstract: This article deals with the issue of the ballistic resistance of composite panels, which were made of para-aramid fiber. For the shooting tests was used Twaron CT 747 with epoxy matrix LG 700. [..] Read more

Abstract: Al-Li-based alloys are an attractive material for aircraft and aerospace applications. Preparation of these alloys by twin-roll casting (TRC), which combines rapid metal solidification and subsequent plastic reduction in a single processing step, could improve the properties of the alloys compared to materials prepared by conventional direct-chill casting. [..] Read more

Abstract: Transformation of Fe- and Cu-rich primary phase particles was studied in an Al-Li-based alloy prepared by twin-roll casting. Thin foils for combined STEM and SEM experiments were prepared by electrolytic twin-jet polishing. [..] Read more

Abstract: This article presents the history of tin metallurgy in Rwanda, its current state, and future development prospects on the example of the Luna Smelter production plant, located in Kigali. The authors of the article pay special attention to the issues of successful restoration of production, which was stopped in 1994, shortly before the Tutsi Genocide, the impact on the labor market in Kigali, the creation of new commercial and economic ties, as well as the improvement of production lines and the optimization of technological parameters of smelting and refining.. [..] Read more