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View article: The Effects of Various Adhesives on Multiple Types of Quasi‐Static Mechanical Properties of Rectangular and Square Aluminum Hollow Sections Filled with Composite Metal Foam Cores
The Effects of Various Adhesives on Multiple Types of Quasi‐Static Mechanical Properties of Rectangular and Square Aluminum Hollow Sections Filled with Composite Metal Foam Cores Open
For composite metal foam structures to be used as load‐bearing and energy‐absorbing elements, comprehensive testing should be done. Therefore, an extensive characterization of foam‐filled structures by various load types, such as axial and…
View article: Investigation of the Bending Properties of Ex situ Functional Metal Foams
Investigation of the Bending Properties of Ex situ Functional Metal Foams Open
In each industry, compromises have to be made when choosing materials. Lower-density materials have a significant advantage in the automotive sector, especially due to rising fuel prices, since weight reduction can lower overall fuel consu…
View article: Fabrication of In-situ Syntactic Aluminium Foam-Filled Steel Tubes
Fabrication of In-situ Syntactic Aluminium Foam-Filled Steel Tubes Open
In all areas of industry, when choosing a material, compromises must be made since there is no material with all the properties that are preferential for any use. In the automotive sector, lighter and less dense materials can provide a con…
View article: On the mechanical properties of functionally graded hybrid metal foams
On the mechanical properties of functionally graded hybrid metal foams Open
Radial functionally graded foam-filled tubes were manufactured with a highly reproducible and cost-effective in-situ process. Aluminum alloy tubes were filled with differently arranged lightweight expanded clay aggregate particles and comm…
View article: Analysis of drilling-induced geometrical damages in basalt and carbon fibre-reinforced polymer (BFRP and CFRP) composites
Analysis of drilling-induced geometrical damages in basalt and carbon fibre-reinforced polymer (BFRP and CFRP) composites Open
Basalt fibre-reinforced polymer (BFRP) composites probably tend to replace some carbon fibre-reinforced polymer (CFRP) applications due to their excellent specific strengths and sustainability. Despite the published early promising results…
View article: Production of syntactic metal foams reinforced in the matrix material
Production of syntactic metal foams reinforced in the matrix material Open
Metal foams are cellular materials where the matrix material is metallic, and gaseous cells are present in this enclosing material. Due to these cells, metal foams are low-density materials and have good energy-absorbing properties to thei…
View article: Production and Functional Properties of Graded Al-Based Syntactic Metal Foams
Production and Functional Properties of Graded Al-Based Syntactic Metal Foams Open
As cellular materials are gaining more ground in the automotive, airplane, and railway industries, the demand for functionally graded metal foams has appeared. In the case of syntactic metal foams, by changing the distribution of the fille…
View article: Development of a Clamping Device for Tensile Testing of Intracranial Flow Diverter Stents
Development of a Clamping Device for Tensile Testing of Intracranial Flow Diverter Stents Open
The main danger of a brain aneurysm (a sack-like bulge on the vessel wall) is that in the event of a rupture a severe hemorrhage can occur which may cause death. However, if doctors have tools at their disposal, such as numerical models an…
View article: Manufacturing, Heat Treatment and Investigation of Foam-Filled Tubes
Manufacturing, Heat Treatment and Investigation of Foam-Filled Tubes Open
Composite metal foams are hybrid structures with the main advantages of high specific strength and mechanical energy absorption associated with low density. In the course of our research, we successfully manufactured functional metal foams…
View article: Manufacturing and Investigation of In Situ and Ex Situ Produced Aluminum Matrix Foam‐Filled Tubes
Manufacturing and Investigation of In Situ and Ex Situ Produced Aluminum Matrix Foam‐Filled Tubes Open
Composite metal foams (CMFs) are hybrid structures, which are usually produced from separate parts, and not in one step as functional, structural elements. Functional CMFs are characterized by high strength, high stiffness, and extreme ene…
View article: Functional aluminium matrix syntactic foams filled with lightweight expanded clay aggregate particles
Functional aluminium matrix syntactic foams filled with lightweight expanded clay aggregate particles Open
Is it possible to create low-cost functional composite metal foams? In the framework of this study, composite metal foams filled tubes were produced with lightweight expanded clay aggregate particles. Specimens were manufactured by low pre…
View article: Production and testing of syntactic metal foams with graded filler volume
Production and testing of syntactic metal foams with graded filler volume Open
The purpose of innovative engineering inventions in our modern world is not necessarily to solve a new problem, but to implement and optimize an existing solution in a more energy-efficient and cost-effective manner. This can be achieved b…
View article: On the Filler Materials of Metal Matrix Syntactic Foams
On the Filler Materials of Metal Matrix Syntactic Foams Open
Metal matrix syntactic foams (MMSFs) are becoming increasingly relevant from the lightweight structural materials point of view. They are also used as energy absorbers and as core materials for sandwich structures. The mechanical propertie…
View article: Mechanical and Microstructural Features of Ceramic Hollow Spheres
Mechanical and Microstructural Features of Ceramic Hollow Spheres Open
In this study two different types of hollow sphere were examined by mechanical, geometrical and microstructural measurements, and the fracture force, geometrical properties and chemical composition were determined. The diameter of the „01 …
View article: Effects of Additive Manufacturing on the Mechanical and Corrosion Properties of Austenic Stainless Steel
Effects of Additive Manufacturing on the Mechanical and Corrosion Properties of Austenic Stainless Steel Open
Additive manufacturing (AM) offers the possibility to produce complex parts without the design constraints of traditional manufacturing routes. Our aim was to determine different mechanical and corrosion properties of direct metal laser si…
View article: Notch (In)Sensitivity of Aluminum Matrix Syntactic Foams
Notch (In)Sensitivity of Aluminum Matrix Syntactic Foams Open
Aluminum alloy (Al99.5 or AlSi12)-based metal matrix syntactic foams (MMSFs) were produced by pressure infiltration with ~65 vol % Globocer filler (33 wt % Al2O3, 48 wt % SiO2, 19 wt % Al2O3∙SiO2). The infiltrated blocks were machined by d…
View article: Development of a customized wrist orthosis using 3D printing
Development of a customized wrist orthosis using 3D printing Open
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View article: EBSD examination of Ti-6Al-4V samples produced with additive technology
EBSD examination of Ti-6Al-4V samples produced with additive technology Open
Rapid Prototyping (RP) is a special technology which has many types included Direct Metal Laser Sintering (DMLS). The process starts by applying a very thin layer of material onto the construction platform, then fusing the powder at the ex…
View article: Corrosion Testing of Additively Manufactured Metals and Biomedical Devices
Corrosion Testing of Additively Manufactured Metals and Biomedical Devices Open
Additive manufacturing (AM) is becoming increasingly important, making it possible to produce a product in a short time, to specific individual requirements, and even in the presence of the customer. This research is related to direct meta…
View article: Effect of Expansion Pressure on the Drug Eluting Coating and the Corrosion Characteristics of Coronary Stents
Effect of Expansion Pressure on the Drug Eluting Coating and the Corrosion Characteristics of Coronary Stents Open
During implantation, stents are delivered in crimped state to the narrowed lesion, where they are expanded to the desired size by the balloon. Due to insufficient size selection or high resistance to plaque, the stent is often widened by t…
View article: Non-Destructive Analysis of Explanted Coronary Artery Stents
Non-Destructive Analysis of Explanted Coronary Artery Stents Open
Endovascular stents are used to effectively treat atherosclerosis during angioplasty.Nowadays, this surgery is performed on younger and younger patients, so the stent can be in the body for over 30 years.The stent cannot be removed from th…
View article: FLEXIBILITY TEST OF THE TOOLS OF ANGIOPLASTY
FLEXIBILITY TEST OF THE TOOLS OF ANGIOPLASTY Open
Coronary angioplasty is a procedure used to treat the narrowed coronary arteries. Physicians operate with many different tools during the intervention, the main devices are the following: guidewires, guiding catheters, balloon catheters an…