Wyniki wyszukiwania - BazTech

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Wirtualne laboratorium inżynierii materiałowej

Honysz R., Dobrzański L. A.

LAB Laboratoria, Aparatura, Badania

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2017

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R. 22, nr 1

10--16

PL

Artykuł opisuje Wirtualne Laboratorium Inżynierii Materiałowej Instytutu Materiałów Inżynierskich i Biomedycznych w Politechnice Śląskiej. Jest to otwarte środowisko naukowo-badawczo-symulacyjne pomocne w realizacji zadań dydaktycznych i naukowych z dziedziny nauki o materiałach. Laboratorium jest zbiorem symulacji i trenażerów odwzorowują budowę, zasadę działania, funkcjonalność i metodykę obsługi sprzętu badawczego zainstalowanego i dostępnego w rzeczywistych laboratoriach naukowych. Zastosowanie wirtualnego sprzętu, który jest praktycznie niezniszczalny, tanie w eksploatacji i łatwy w użyciu zachęca studentów i pracowników naukowych do niezależnych badań i doświadczeń w sytuacjach, gdy możliwości ich realizacji w prawdziwym laboratorium śledcze będą ograniczone ze względu na wysokie materiału kosztów, trudności w dostępie do rzeczywistych urządzeń lub potencjalnego ryzyka jego uszkodzenia.

2

Virtual laboratory methodology in scientific researches and education

Honysz R., Dobrzański L. A.

Journal of Achievements in Materials and Manufacturing Engineering

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2017

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Vol. 84, nr 2

76--84

EN

Purpose: This article is presenting the Material Science Virtual Laboratory. Developed laboratory is an open scientific, investigative, simulating and didactic medium helpful in the realisation of the scientific and didactic tasks in the field of material Science. It is implemented in the Institute of Engineering Materials and Biomaterials of Silesian University of Technology in Gliwice, Poland. Design/methodology/approach: The laboratory is a set of testers and training simulators, set in the Virtuality and created in several languages and the programming techniques, which interprets the properties, functionality and manual rules of actual equipment installed and accessible in the real science labs of scientific universities. Findings: Application of the equipment, that is practically imperishable, cheap in exploitation and ease in the use encourages students and scientific workers to independent audits and experiments in places, where the possibilities of their performance in the real investigative laboratory will be restricted because of the high material costs, difficult access to real equipment or the possible peril of his impairment. Research limitations/implications: The proposed solutions allow the utilisation of the developed virtual environment as a new medium in both, the scientific work performed remotely, as well as in education during classes. Practical implications: The usage possibilities of the virtual laboratory are practically unrestricted; it can be a foundation for any surveys, course or training plan. Originality/value: The project of the virtual laboratory corresponds with the global tendency for expand the investigative and academic centres about the possibilities of training and experiments performance with use of the virtual reality. This enriches investigation and training programmes of the new abilities reserved so far exclusively for effecting only on actual equipment.

3

Optimization of chemical composition and heat treatment condition of structural steel

Honysz R., Dobrzański L. A.

Journal of Achievements in Materials and Manufacturing Engineering

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2014

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Vol. 64, nr 1

27--33

EN

Purpose: This paper presents the methodology and results of virtual research project involving the optimization of the chemical composition and heat treatment conditions of structural steels. Investigations were performed in virtual environment with use of materials science virtual laboratory. Design/methodology/approach: The first task was to search for such a range of chosen element concentration while keeping the concentration of other elements unchanged in order to satisfy all the conditions for steel mechanical properties defined by a virtual client. Second task of virtual research project consisted in searching for such ranges of temperature and time for hardening and tempering , to ensure that all the conditions for steel properties defined by a virtual client has been met without making changes in the chemical composition of steel. Findings: Virtual investigations results were verified in real investigative laboratory. Results of virtual examinations are presented as raw data and influence charts. Practical implications: The new material design methodology has practical application in the development of materials and modelling of steel descriptors in aim to improve the mechanical properties and specific applications in the production of steel. Presented examples of computer aid in structural steel production shows a potential application possibility of this methodology to support the production of any group of engineering materials. Originality/value: The prediction possibility of the material mechanical properties is valuable for manufacturers and constructors. It ensures the customers quality requirements and brings also measurable financial advantages.

4

Influence analysis of admixtures on mechanical properties of non-alloy structural steels

Honysz R., Dobrzański L.A.

Journal of Achievements in Materials and Manufacturing Engineering

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2013

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Vol. 61, nr 2

336--342

EN

Purpose: The paper introduces analysis results of selected alloying elements influence on mechanical properties of alloy structural steels for quenching and tempering. Design/methodology/approach: Investigations were performed in virtual environment with use of materials science virtual laboratory. Virtual investigations results were verified in real investigative laboratory. Findings: Materials researches performed with use of material science virtual laboratory in range of determining the mechanical properties are consistent with the results obtained during the real research in real laboratory. Practical implications: Development of virtual tools, which are simulating the investigative equipment and simulating the research methodology, can serve as a basis for combining aspects of laboratory research, simulation, measurement, and education. Application of these tools will allow the transfer of research and teaching procedures from real laboratory to virtual environment. This will increase the number of experiments conducted in virtual environment and thus, it will increase the efficiency of such researches. Originality/value: Modelling of structural steels mechanical properties is valuable for steel designers and manufacturers, because it is associated with financial benefits, when expensive and time-consuming researches are reduced to necessary minimum.

5

Heat treatment influence on mechanical properties of structural steels for quenching and tempering

Dobrzański L. A., Honysz R.

Journal of Achievements in Materials and Manufacturing Engineering

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2012

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Vol. 55, nr 2

461--468

EN

Purpose: This paper introduces analysis results of heat treatment conditions influence on mechanical properties of alloy structural steels for quenching and tempering. Design/methodology/approach: Investigations were performed in virtual environment with use of materials science virtual laboratory. Virtual investigations results were verified in real investigative laboratory. Findings: Performed verification investigations presented in this paper on selected mechanical properties modelling examples of structural steels clearly show the correctness of the developed computational model of structural steel and confirm the possibility of its use in the industrial production, both to predict the properties, as well as to design new types of steel. Practical implications: Results of virtual examinations can be presented as raw data or influence charts Originality/value: The effectiveness of the virtual environment application for the prediction, simulation and modelling of the steel properties is presented.

6

Virtual examinations of alloying elements influence on alloy structural steels mechanical properties

Dobrzański L. A., Honysz R.

Journal of Achievements in Materials and Manufacturing Engineering

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2011

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Vol. 49, nr 2

251--258

EN

Purpose: The paper introduces analysis results of selected alloying elements influence on mechanical properties of alloy structural steels for quenching and tempering. Design/methodology/approach: Investigations were performed in virtual environment with use of materials science virtual laboratory. Virtual investigations results were verified in real investigative laboratory. Findings: Materials researches performed with use of material science virtual laboratory in range of determining the mechanical properties are consistent with the results obtained during the real research in real laboratory. Practical implications: Development of virtual tools, which are simulating the investigative equipment and simulating the research methodology, can serve as a basis for combining aspects of laboratory research, simulation, measurement, and education. Application of these tools will allow the transfer of research and teaching procedures from real laboratory to virtual environment. This will increase the number of experiments conducted in virtual environment and thus, it will increase the efficiency of such researches. Originality/value: Modelling of structural steels mechanical properties is valuable for steel designers and manufacturers, because it is associated with financial benefits, when expensive and time-consuming researches are reduced to necessary minimum.

7

Analysis of alloying elements influence on properties of structural steel with use of material science virtual laboratory

Dobrzański L., Honysz R.

Czasopismo Techniczne. Mechanika

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2011

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R. 108, z. 4-M/1

65-72

EN

The paper introduces analysis results of selected alloying elements influence on mechanical properties of alloy structural steels for quenching and tempering. Investigations were performed in virtual environment with use of materials science virtual laboratory. Virtual investigations results were verified in real investigative laboratory.

PL

W artykule przedstawiono przykładowe wyniki analizy wpływu wybranych pierwiastków stopowych na własności mechaniczne stopowych stali konstrukcyjnych do ulepszania cieplnego. Badania zostały wykonane w przestrzeni wirtualnej z wykorzystaniem wirtualnego laboratorium inżynierii materiałowej. Wyniki wirtualnych badań zweryfikowano w rzeczywistym laboratorium.

8

Artificial intelligence and virtual environment application for materials design methodology

Dobrzański L.A., Honysz R.

Archives of Computational Materials Science and Surface Engineering

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2010

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Vol. 2, nr 4

201-212

EN

Purpose: The purpose of this study is to develop a methodology for material design, enabling the selection of the chemical elements concentration, heat and plastic treatment conditions and geometrical dimensions to ensure the required mechanical properties of structural steels specified by the designer of machinery and equipment as the basis for the design of material components manufactured from these steels, by using a computational model developed with use of artificial intelligence methods and virtual environment. The model is designed to provide impact examinations of these factors on the mechanical properties of steel only in the computing environment. Design/methodology/approach: A virtual research environment built with use of computational model describing relationships between chemical composition, heat and plastic treatment conditions, product geometric dimensions and mechanical properties of the examined group of steels was developed and practical applied. This model enables the design of new structural steel by setting the values of mechanical properties based on material production descriptors and allows the selection of production descriptors on the basis of the mechanical properties without the need for additional tests or experimental studies in reality. Findings: Virtual computing environment allows full usage of the developed intelligent model of non-alloy and alloy structural steel properties and provides an easy, intuitive and user-friendly way to designate manufacturing descriptors and mechanical properties for products. Research limitations/implications:The proposed solutions allow the usage of developed virtual environment as a new medium in both, the scientific work performed remotely, as well as in education during classes. Practical implications: The new material design methodology has practical application in the development of materials and modelling of steel descriptors in aim to improve the mechanical properties and specific applications in the production of steel. Presented examples of computer aid in structural steel production showing a potential application possibility of this methodology to support the production of any group of engineering materials. Originality/value: The prediction possibility of the material mechanical properties is valuable for manufacturers and constructors. It ensures the customers quality requirements and brings also measurable financial advantages.