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Purpose: The paper is a comprehensive review of the literature on additive and hybrid technologies for products manufacturing using powders of metals, their alloys and ceramics. Design/methodology/approach: Extensive literature studies on conventional powder engineering technologies have been carried out. By using knowledge engineering methods, development perspectives of individual technologies were...
Purpose: The paper is a literature review indicating the importance of powder engineering in the modern stage of Industry 4.0 development. 47 technologies for the manufacturing and use the powders of metal and their alloys and ceramic in the manufacturing of products are indicated. All those technologies were compared in terms of their potential and attractiveness, pointing to their development trends...
Purpose: The article deals with one of the completely new groups of composite inorganic nanostructured materials used in the form of surface layers, characterised by unique properties, such as transparency over 84.4% in the field of visible light waves, anti-reflective and electrical properties comparable to semiconductors. Design/methodology/approach: A technology for producing such layers containing...
Purpose: The article concerns the development of completely new groups of composite materials that can be used to produce functional replacements for damaged bones or teeth. Design/methodology/approach: A selective laser sintering was used to produce the reinforcement of those materials from titanium and its Ti6Al4V alloy in the form of skeletons with pores with adjustable geometric features. The...
Purpose: The purpose of this article is to synthesized NiO nanostructures by sol-gel method and characterized them for use in dye sensitized solar cells. For this purpose, a paste prepared from nanoparticles was prepared and screen printed on a glass substrate with the FTO layer. Design/methodology/approach: Nickel oxide nanoparticles was synthesized with participation of nickel (II) nitrate hexahydrate...
Purpose: The publication aims to find the relationship between the proliferation of surface layers of living cells and the deposition of thin atomic layers deposition ALD coatings on the pores internal surfaces of porous skeletons of medical and dental implant-scaffolds manufactured with the selective laser deposition SLS additive technology using titanium and Ti6Al4V alloy. Design/methodology/approach:...
Purpose: The aim of the work was roughness investigation of the surface of developed oesophageal prosthesis before and after texturing, to estimate its influence on future application of prosthesis. Design/methodology/approach: Linear, mechanical contact-measurement method and, for verification, optical profile measurement in confocal microscope were used in the work. Findings: The roughness investigation...
Purpose: The first part of the paper presents the outcomes of a dozen of own researches in the field of nanotechnology, carried out over the last several years. The second part of the paper presents the new Author’s ideas on the predicted development of the new generation of highly innovative advanced pioneering nanostructured composite materials through the interaction of the extended nanoengineering...
Purpose: The concept presented in this study proposes indirect solutions, both, rigid ones involving high strength and transmission of high mechanical loads, and ones which are elastic, thin and light as fog, when a very light dressing supplying living cells is applied to an extensive wound, e.g. on skin, in a way ensuring their fast fusion with the defected surface of body. They are proposed implant-scaffolds,...
Purpose: The aim of the article is to present the technology of the manufacturing of composite materials with aluminum alloys matrix with reinforcement made of titanium skeletons. This paper presents the structure and properties of these composite materials. Design/methodology/approach: Titanium skeletons manufactured by SLS technology for certain mechanical properties and geometrical features, subjected...
Purpose: Main purpose of the paper is results share of AlSi9Cu and AlSi9Cu4 cast aluminium alloys treatment investigation. Processing was performed using CAE-PVD method in order to obtain gradient coatings. Design/methodology/approach: CAE-PVD method was used to obtain gradient coatings on AlSi9Cu and AlSi9Cu4 cast aluminium alloys after heat treatment. Investigation of resulting material was performed...
Purpose: The aim of the paper is to present the innovatory investigation results of the impact of laser treatment consisting of multiple remelting and alloying using tungsten carbide ceramic powder on the microstructure and properties of hot work tool steel X40CrMoV5-1 surface layer. Design/methodology/approach: Laser heat treatment allows the production of gradient surface layer with a thickness...
Purpose of the paper: The aim of the research is to investigate the influence of the structure and chemical composition of the surface layers containing reduced oxide graphene on the properties of dye-sensitized solar cells, and to determine the correlation between the morphology and physicochemical properties of reduced graphene oxide and the electrical and optical properties of dye-sensitized solar...
Purpose: The aim of the study is to develop a method of manufacturing porous preforms based on ceramic powder Al2O3 used as the strengthening for the production of modern metal composite materials. Design/methodology/approach: Semi-products were produced by sintering of ceramic powders with addition of the pores forming agent. The material of the preform was Al2O3 powder while as a pores and canals...
Purpose: The main aim of this paper is to investigate the impact of nano-reinforcements in the form of Cu nanowires and Cu nanopowder on the structure and properties of polymeric composite materials Design/methodology/approach: Developed in this paper of nanocomposite materials reinforced with Cu nanopowders and Cu nanowires they have shown the ability to carry an electrical charge, which was confirmed...
Purpose: The paper presents the results of investigations on the changes in surface morphology, roughness, and thickness of the prepared aluminium oxide thin films as dependent on conditions of the thin films preparation. Design/methodology/approach: Thin films have been prepared with use of atomic layer deposition (ALD) method. The changes of surface morphology have been observed in topographic images...
Purpose: In the present article, the wear behaviour of aluminium alloy matrix nanocomposites containing various amounts of carbon nanotubes (0, 2 and 5 vol.%) fabricated using powder metallurgy route has been investigated. Design/methodology/approach: In order to provide the uniform dispersion of the reinforcement particles in the aluminium matrix, in the study, mechanical milling has been used. Through...
Purpose: The aim of the article is to present and compare the results of studies into mechanical properties, including mainly tensile and compressive strength of scaffolds fabricated from Ti and Ti6Al4V in Selective Laser Sintering (SLS) for specific sintering conditions. Design/methodology/approach: Titanium scaffolds characterised by the different size of pores were fabricated on the basis of 3D...
Purpose: The purpose of the paper is to present the results of own researches, including the study of the structure and the properties of new obtained single- and doublecomponent polycaprolactone polymer nanofibers as well as of composite nanofibers with and without silver precipitates produced by electrospinning including the results of biological research, proving the usefulness of the newly developed...
Purpose: The aim of this article was to investigate the possibility of uniform coverage of porous biomaterials with a thin film of titanium oxide deposited using the atomic layer deposition method (ALD) Design/methodology/approach: The porous biomaterials were prepared by Selective Laser Melting (SLM) from Ti powder. The TiO2 thin films were prepared with use of atomic layer deposition method. The...
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