The Structural and Mechanical Properties of AlO-Ni Composites Obtained by Magnetic Field-Assisted Centrifugal Slip Casting.

This study investigates the influence of a magnetic field on the microstructure and properties of AlO-Ni composites fabricated via centrifugal slip casting at 1500 rpm. AlO and Ni powders were combined with water and deflocculants, homogenized, and then cast into a porous plaster mold surrounded by Nd-Fe-B magnets. The resulting composites, sintered in a reducing atmosphere, exhibited a three-zone structure with varying Ni content due to the combined effects of the magnetic field and centrifugal force.

Comparison of Additively Manufactured Polymer-Ceramic Parts Obtained via Different Technologies.

This paper aims to compare two ceramic materials available for additive manufacturing (AM) processes-vat photopolymerization (VPP) and material extrusion (MEX)-that result in fully ceramic parts after proper heat treatment. The analysis points out the most significant differences between the structural and mechanical properties and the potential application of each AM technology. The research revealed different behaviors for the specimens obtained via the two mentioned technologies.

The Influence of Formation Speed in Centrifugal Slip-Casting Method on the Microstructure of AlO-Cu-Cr Gradient Composites.

This work focuses on the production of gradient composite materials with an alumina matrix containing copper and chromium and examines the effect of the reinforcement and casting speed on the obtained microstructure. AlO-Cu-Cr composites with a microstructure gradient were produced via centrifugal slip casting. The research reveals that adding chromium to the AlO-Cu system improves the connection between the ceramic and metal particles, probably by reducing the contact angle at the interface between the ceramic and metallic phases during sintering.

Microstructure and Mechanical Characterization of Novel AlO-(NiAl-AlO) Composites Fabricated via Pulse Plasma Sintering.

The scientific goal of this paper is to study and explain the relationship between the microstructure of a ceramic-intermetallic composite fabricated by consolidating a mixture of AlO and NiAl-AlO using the PPS technique and its basic mechanical properties. Six series of composites were manufactured. The obtained samples differed in the sintering temperature and content of compo-powder.

Study on Manufacturing via Slip Casting and Properties of Alumina-Titanium Composite Enhanced by Thialite Phase.

This paper aims to study the AlO/Ti ceramic-metal composite obtained by the slip casting method. Samples containing 50% volume of the solid phase, including 10% volume of the metallic phase, were investigated. The rheological properties were analyzed.

Properties of AlO/Ti/Ni Composite Obtained by Slip Casting with Different Metal Phase Content.

This work analyzed ceramic-metal composites from the AlO/Ti/Ni system produced by the slip casting method. As starting powders, nanometric AlO, Ni and Ti of submicron size were used. Three series of composites were obtained and tested with the same solid phase content (50% vol.

A Comparative Study on Laser Powder Bed Fusion of Differently Atomized 316L Stainless Steel.

The significant growth of Additive Manufacturing (AM), visible over the last ten years, has driven an increase in demand for small gradation metallic powders of a size lower than 100 µm. Until now, most affordable powders for AM have been produced using gas atomization. Recently, a new, alternative method of powder production based on ultrasonic atomization with melting by electric arc has appeared.

Characterization of AlO Matrix Composites Fabricated via the Slip Casting Method Using NiAl-AlO Composite Powder.

This work aimed to characterize AlO matrix composites fabricated by the slip casting method using NiAl-AlO composite powder as the initial powder. The composite powder, consisting of NiAl + 30 wt.% AlO, was obtained by mechanical alloying of AlO, Al, and Ni powders.

AlO-Cu-Ni Composites Manufactured via Uniaxial Pressing: Microstructure, Magnetic, and Mechanical Properties.

This study's main goal was to obtain and characterize AlO-Cu-Ni composites with different metallic phase content. The study analyzed the three series of samples differing in the metallic phase 5, 10, 15 vol.% volume contents.

Pulse Plasma Sintering of NiAl-AlO Composite Powder Produced by Mechanical Alloying with Contribution of Nanometric AlO Powder.

NiAl-AlO composites, fabricated from the prepared composite powders by mechanical alloying and then consolidated by pulse plasma sintering, were presented. The use of nanometric alumina powder for reinforcement of a synthetized intermetallic matrix was the innovative concept of this work. Moreover, this is the first reported attempt to use the Pulse Plasma Sintering (PPS) method to consolidate composite powder with the contribution of nanometric alumina powder.

ZTA Pipes with a Gradient Structure-Effect of the Rheological the Behavior of Ceramic Suspensions on the Gradient Structure and Characterized of the Obtained Products.

This paper focuses on the verifying the possibility of producing AlO-ZrO composite pipes with a gradient structure using centrifugal slip casting method. The aim of the research is to define the correlation between the rheological properties of aqueous suspensions of ceramic powders with different solid loading and obtaining the ZrO phase gradient in the AlO matrix. Such products, due to their unique properties, can be utilized in the transport of aggressive substances, even in extreme temperature or corrosive conditions.

Rheological and Technological Aspects in Designing the Properties of Shear Thickening Fluids.

This work focuses on shear thickening fluids (STFs) as ceramic-polymer composites with outstanding protective properties. The investigation aims to determine the influence of raw material parameters on the functional properties of STFs. The following analyses were used to characterize both the raw materials and the STFs: scanning electron microscopy, dynamic light scattering, matrix-assisted laser desorption/ionization time-of-flight, chemical sorption analysis, rheological analysis, and kinetic energy dissipation tests.

Characterization of AlO Samples and NiAl-AlO Composite Consolidated by Pulse Plasma Sintering.

The paper describes an investigation of AlO samples and NiAl-AlO composites consolidated by pulse plasma sintering (PPS). In the experiment, several methods were used to determine the properties and microstructure of the raw AlO powder, NiAl-AlO powder after mechanical alloying, and samples obtained via the PPS. The microstructural investigation of the alumina and composite properties involves scanning electron microscopy (SEM) analysis and X-ray diffraction (XRD).

Sintering Behavior, Thermal Expansion, and Environmental Impacts Accompanying Materials of the AlO/ZrO System Fabricated via Slip Casting.

This work focuses on research on obtaining and characterizing AlO/ZrO materials formed via slip casting method. The main emphasis in the research was placed on environmental aspects and those related to the practical use of ceramic materials. The goal was to analyze the environmental loads associated with the manufacturing of AlO/ZrO composites, as well as to determine the coefficient of thermal expansion of the obtained materials, classified as technical ceramics.

Manufacturing of AlO/Ni/Ti Composites Enhanced by Intermetallic Phases.

In this study, ceramic-metal composites in the AlO/Ti/Ni system were fabricated using the slip casting method. Two series of composites with 15 vol.% metal content and different solid phase contents were obtained and examined.

AlO/ZrO Materials as an Environmentally Friendly Solution for Linear Infrastructure Applications.

The present work deals with the evaluation of the effect of ZrO on the structure and selected properties of shapes obtained using the centrifugal slip casting method. The samples were made of alumina and zirconia. The applied technology made it possible to produce tubes with a high density reaching 99-100% after sintering.

Influence of Magnetic Field on the Distribution of the Ferromagnetic Component in Centrifugally Cast Ceramic-Metal Gradient Composites.

The main aim of the investigation was to determine the impact of the content of nickel and the content of slurry on the nature of the microstructure and physical properties of the final products. In the study, six types of slurries were examined and prepared, differing in both the amounts of content of Ni metallic phase particles (5 vol.%, 10 vol.

Zirconia-Alumina Composites Obtained by Centrifugal Slip Casting as Attractive Sustainable Material for Application in Construction.

This paper focuses on the possibility of adapting the centrifugal slip casting method to obtain zirconia-alumina composite materials in the form of finished tube-shaped products. These types of products, due to their unique properties, can be utilised, for example, in the transport of aggressive substances, even in extreme temperatures or corrosive conditions. The study reports on the two series of zirconia-alumina composites differing in the content of ZrO-2.

Quantitative stereological analysis of the highly porous hydroxyapatite scaffolds using X-ray CM and SEM.

Background: Material properties of the scaffolds as well as their microstructure are vital in determining in vivo cellular response. Three-dimensional (3D), highly porous scaffolds are used in tissue engineering to provide a suitable microenvironment and to support regeneration of bone. Both pore sizes and their architecture, in particular interconnection density, impact functionality of scaffold during its biomedical applications.