Martin Balog
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Microstructure and corrosion resistance of PM titanium doped by TiO2 Open
One of the advantages of powder metallurgy (PM) is the possibility to manufacture titanium and its alloys with a high concentration of oxygen (more than 0.4 wt. %). The oxygen-doped titanium alloys fabricated by PM have a unique combinatio…
View article: Hall-Petch strengthening in ultrafine-grained Zn with stabilized boundaries
Hall-Petch strengthening in ultrafine-grained Zn with stabilized boundaries Open
A relationship between the tensile yield stress and grain size i.e., Hall-Petch (H–P) law, for an ultrafine-grained (UFG) Zn was experimentally evaluated for the first time. In reality, it is problematic to assess this prediction using exp…
View article: Creep properties of heat-resistant ultrafine-grained Al (HITEMAL©) determined by small punch testing
Creep properties of heat-resistant ultrafine-grained Al (HITEMAL©) determined by small punch testing Open
The creep properties of thermally stable ultrafine-grained Al metal matrix composite strengthened and stabilized by continuous in situ amorphous Al 2 O 3 network (named HITEMAL © ) prepared by powder metallurgy (PM) were tested by small pu…
Investigation of the electrochemical behavior of a newly designed TiMg dental implant Open
This study is aimed to evaluate the galvanic corrosion of a newly designed TiMg dental implant. The TiMg composite was tested in two forms: (1) cylinders (TiMg cyl) and (2) dental implants (TiMg DI). Surface roughness was measured using a …
View article: Suppression of mechanical instability in bioabsorbable ultrafine-grained Zn through in-situ stabilization by ZnO nanodispersoids
Suppression of mechanical instability in bioabsorbable ultrafine-grained Zn through in-situ stabilization by ZnO nanodispersoids Open
The issue of intrinsic microstructural and mechanical instability of Zn-based metals limits their expansion in potential applications of bioresorbable stents and orthopedic fixators. A new concept of stabilization of Zn microstructure by a…
View article: Evaluating the Corrosion Resistance of the Novel Al-Aln Metal Matrix Composites Produced Of Hot Direct Extrusion
Evaluating the Corrosion Resistance of the Novel Al-Aln Metal Matrix Composites Produced Of Hot Direct Extrusion Open
This study reports the corrosion resistance of novel metal matrix composites (MMCs) based on aluminium (Al) and the reinforcing component – 8.8 and 14.7 vol.% aluminium nitride (AlN) labelled as Al10AlN and Al16AlN. In humid environments t…
Dispersion and Preparation of Nano-AlN/AA6061 Composites by Pressure Infiltration Method Open
Nanomaterials play an important role in metal matrix composites (MMC). In this study, 3.0 wt.%, 6.0 wt.%, and 9.0 wt.% nano-AlN-particles-reinforced AA6061 (nano-AlN/AA6061) composites were successfully prepared by pressure infiltration te…
In-Depth Comparison of an Industrially Extruded Powder and Ingot Al Alloys Open
An industrial press was used to consolidate compacted aluminum powder with a nominal diameter in the range of 1 µm. Direct and indirect hot-extrusion processes were used, and suitable process parameters were determined from heating conditi…
Ultrafine titanium filaments with a high aspect ratio fabricated by the extraction from Al + Ti composite Open
Titanium filaments were prepared by the extraction of powder metallurgy fabricated aluminum + titanium composite in sodium hydroxide solution.During the hot extrusion consolidation process, ultrafine aluminum powder particles heavily defor…
Mechanical characterization of PM aluminum composites by small punch test Open
In this work Small Punch Test (SPT) was applied to study the mechanical behavior of ultrafine-grained Al-Al2O3metal matrix composites (MMCs) fabricated in situ via powder metallurgy route (HITEMAL®). Such MMCs show attractive mechanical pr…
Microstructure and Mechanical Properties of Milled Carbon Fibers Reinforced EN AW 6082 Aluminium Matrix Composites after Hot Extrusion Open
The microstructure and mechanical properties of carbon fibers reinforced EN AW 6082 aluminium matrix composites after hot extrusion were investigated. The distribution of carbon fibers in matrix was homogenous and their alignment was in th…
Die wear during hot extrusion of ex-situ and in-situ aluminum composites (Letter to the Editor) Open
The study demonstrates a high-temperature wear of extrusion die during hot pressing of in-situ and ex-situ Al metal matrix composites (MMC).The in-situ Al-10.5vol.%AlNand ex-situ Al-10.5vol.%SiCwith high Young's modulus are fabricated by p…
Titanium Ions Release from an Innovative Titanium-Magnesium Composite: an in Vitro Study Open
In conclusion, Ti-Mg produced by P/M as a material with better corrosion properties when compared to CP Ti is suggested.
Titanium Ions Release from an Innovative Titanium-Magnesium Composite: an in Vitro Study Open
The innovative titanium-magnesium composite (Ti-Mg) was produced by powder metallurgy (P/M) method and is characterized in terms of corrosion behavior. Material and methods: Two groups of experimental material, 1 mass% (Ti-1Mg) and 2 mass%…