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Projects / Programmes source: ARIS

Functionally graded materials

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Periods
January 1, 2017 - December 31, 2019
Research activity

Code Science Field Subfield
2.04.00  Engineering sciences and technologies  Materials science and technology   

Code Science Field
T450  Technological sciences  Metal technology, metallurgy, metal products 

Code Science Field
2.05  Engineering and Technology  Materials engineering 
Keywords
Functionally graded materials, Thermomechanical loading, Thermomechanical processing, Fundry technologies, Modelling&Simulations, High tech materials
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 (17)
no. Code Name and surname Research area Role Period No. of publications
1.  39234  PhD Jože Arbeiter  Materials science and technology  Junior researcher  2017 - 2019  23 
2.  36952  PhD Matjaž Berčič  Materials science and technology  Researcher  2017 - 2019  8 
3.  28832  Zoran Bizjak    Technical associate  2017 - 2019  0 
4.  28493  PhD David Bombač  Manufacturing technologies and systems  Researcher  2017 - 2019  116 
5.  05204  PhD Peter Fajfar  Materials science and technology  Researcher  2017 - 2019  436 
6.  25369  PhD Aleš Hančič  Manufacturing technologies and systems  Researcher  2017 - 2019  103 
7.  19623  PhD Goran Kugler  Materials science and technology  Head  2017 - 2019  288 
8.  18792  Tomaž Martinčič    Technical associate  2017 - 2019  0 
9.  11625  PhD Jožef Medved  Materials science and technology  Researcher  2017 - 2019  969 
10.  18565  PhD Primož Mrvar  Materials science and technology  Researcher  2017 - 2019  816 
11.  50170  Andrej Penko  Materials science and technology  Technical associate  2017 - 2019  20 
12.  20880  Anton Pristovšek    Technical associate  2017 - 2019  10 
13.  08302  PhD Tomaž Rodič  Materials science and technology  Researcher  2017 - 2019  241 
14.  32572  Edvard Roglič    Technical associate  2017 - 2019  0 
15.  16096  PhD Tomaž Šuštar  Mathematics  Researcher  2017 - 2019  46 
16.  27601  PhD Maja Vončina  Materials science and technology  Researcher  2017 - 2019  333 
17.  53525  Matic Žbontar  Materials science and technology  Junior researcher  2019  4 
Organisations (3)
no. Code Research organisation City Registration number No. of publications
1.  1522  Slovenian Tool and Die Development Centre  Celje  5865018000  654 
2.  1533  Centre for Computational Continuum Mechanics  Ljubljana  5663270  83 
3.  1555  University of Ljubljana, Faculty of Natural Sciences and Engeneering  Ljubljana  1627074  19,839 
Abstract
In the proposed continuation of the research program for the next period we aim to intensively direct our focus on an in-depth study of the formation and evolution of the microstructure of metallic and polymer materials as a function of precisely controlled externally imposed thermomechanical loads, which may be homogeneous or inhomogeneous and can be exploited for precise engineering of microstructural patterns that lead to the prescribed gradation of individual selected properties. We want to explore how the gradients of properties evolve during transition between spatial scales and how this affects the final properties. The proposed research covering several closely interrelated goals that are on the one hand aimed at deepening the understanding of the kinetics of elementary processes that take place at different spatial and temporal scales in metallic and polymer materials during the evolution of their microstructure, on the other hand, they are focused on studies of technologies of their production, characterization and testing of which follow thereafter more applicative objectives. The proposed research methodology is based on the modeling, numerical simulations, inverse approaches and experimental work, leading to a comprehensive treatment of problems on individual selected fields. In our research program entitled “Functionally graded materials” there are three partners involved, namely TECOS, C3M and University of Ljubljana, Faculty of Natural Sciences and Engineering, Department of Materials and Metallurgy with chairs of foundry, of metallurgical processing techniques, and of materials forming. These partners form an interdisciplinary group with goal to initiate scientific and technological breakthrough on this field. In continuation of the research program activities will be divided into the following areas: theoretical studies and the development of models for the simulation of processes at different spatial and temporal scales, and their use in the study of elementary processes and in applicative research, the development and use of optimization methods, artificial intelligence and the development of appropriate experimental approaches. Furthermore, the development of numerical methods based computational environments AceFEM and AceGen, and development of process techniques and technologies for the production of materials with special emphasis on the powder metallurgy, centrifugal casting, casting under the influence of an external magnetic field, and subsequent processing of obtained products employing hot and cold forming and heat treatments. In the field of polymers focus will be mainly at development of innovative injection molding technologies. For the dissemination of the achievements of the program group, we are planning the organization of scientific conferences, seminars, lectures in companies and publications of results in scientific journals.
Significance for science
Added value materials with higher knowledge content, new functionalities and improved performance are becoming very important for industrial competitiveness and sustainable development. According to the new models of manufacturing industry, “materials are the key for today's technological advances and they represent the first step in increasing the value of products and their performance”. Thus the proposed research program is aimed to develop such new higher-knowledge materials with new functionalities and is directed toward the development of necessary technology for production of FGMs as well toward the study of the processes that takes place in the material that is subjected to the properties gradation processing. The results will thus contribute to a better understanding of mechanisms which control their gradation and to better understanding of the influence of various manufacturing parameters on the local development of microstructure, which is very important from a theoretical as well as from a practical point of view. Modeling of the evolution of microstructure during processing of FGMs will enable both the deeper understanding of synergetic influence of various processing parameters that influences the evolution of microstructure. We expect that the proposed research program will contribute to the body of knowledge in many technological areas such as structural components for space applications, materials forming, foundry, process engineering, steelmaking, manufacturing of polymers and plastics products. On the other hand, the proposed program is designed in such a way that will surely enable discoveries and deeper insights in the fields of metal and plastic materials, and in the fields of modeling, numerical simulations, thermodynamics, development of new tests and experimental methods, as well as the development of new metallic materials.
Significance for the country
The development of high-tech advanced materials that are based on sophisticated knowledge are gaining on importance and it is expected that in the future they will play very important role in the development of modern technologies in various sectors. In Slovenia, we have a large proportion of metal forming, metal processing and foundry (71 foundries) industries and also strong plastics industry (more than 2000 enterprises), which supplies materials and components for both domestic as well as foreign markets. Due to very fast development many are challenged by new technological challenges and also many problems. Since they have to deal with their specific technologies, it is very important that fundamental understandings of the processes are combined with technological expertise. To fulfill their needs member of research program are active on many areas that are all very important for development of Slovenia: (i) We offer Slovenian industry many research services: integrated product and devices development, construction of technological, conceptual design, optimization of product design, customized solutions for manufacturing processes and product development, development of new models for simulations of processes taking place in materials, simulations at different spatial and temporal scales, precision measurement and testing on our equipment, advanced computer-aided design, structural analysis, complex analysis by FEM, process analysis, simulations of casting (gravity, low and high pressure casting, sand casting, etc.), simulation of massive forming (forging, extrusion, rolling, etc.), rapid prototyping of accurate CAD models, digitization of large objects on the ground, the production of a detailed tools, even when there are no suitable CAD data, we are able to reproduce products with digitized data, precision optical 3D measurement, fast measurement control of complex shapes and free surfaces, rapid control of geometric tolerances, calibration of injection molding simulations, etc. (ii) Members of this research group are cooperating with foreign universities and research institutions and have participated and still participate in many European projects, including the FP7. Thus they have contacts with top foreign researchers and companies from materials science and metallurgy research field as well as from closely related fields and disseminate acquired knowledge to Slovenia. (iii) Members of program group are organizing specialist trainings and excursions for the industry, which is of great importance for the development of the profession and engineering practices. (iv) Members of this research group are involved in teaching process at Faculty of Natural Sciences and Technology, where they are responsible for 41 BSc courses, 8 MSc courses, and 4 PhD courses.
Most important scientific results Annual report 2017, 2018, final report
Most important socioeconomically and culturally relevant results Annual report 2017, 2018, final report
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