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Projects / Programmes source: ARIS

The development of the production technology of metallic materials strenghtened with nanosized bubbles

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Research activity

Code Science Field Subfield
2.10.00  Engineering sciences and technologies  Manufacturing technologies and systems   

Code Science Field
T150  Technological sciences  Material technology 
Keywords
production technology, metallic materials, bubbles strengthening, material properties
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (2)
no. Code Name and surname Research area Role Period No. of publications
1.  00050  PhD Ladislav Kosec  Materials science and technology  Head  2004 - 2006  851 
2.  14335  PhD Rebeka Rudolf  Manufacturing technologies and systems  Researcher  2004 - 2006  1,097 
Organisations (2)
no. Code Research organisation City Registration number No. of publications
1.  0795  University ob Maribor, Faculty of mechanical engineering  Maribor  5089638010  23,911 
2.  1555  University of Ljubljana, Faculty of Natural Sciences and Engeneering  Ljubljana  1627074  19,843 
Abstract
This project focuses on the development of the production technology of metallic materials strengthened with nanosized bubbles, which can be formed by the internal oxidation of fine dispersed graphite particles. The reaction of dissolved oxygen with graphite yields the gas products (CO, CO2), which cannot be dissolved in crystal lattice of the metal. The gas products are meshed in the space previously occupied by graphite and they have a greater specific volume than solid graphite, thus establishing the compressive stresses in the metallic matrix and consequently causing the strengthening effect. On the other hand, such stress field can react with sliding dislocation, whereby they impede the dislocation motion. The aim of this project is to determinate the production technology of the metallic materials strengthened with nanosized bubbles, further to define the influence of bubbles on the strengthening properties of this material and to analyse the possible interaction between sliding dislocation and stress field around the bubbles.
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