Powder and Composite Materials

Major: Materials Science
Code of subject: 6.132.03.O.066
Credits: 5.50
Department: Department of Materials Science and Engineering
Lecturer: Аssociate professor, Ph.D. Tepla TetianaTepla Tetiana
Semester: 7 семестр
Mode of study: денна
Мета вивчення дисципліни: The discipline is designed to acquaint students with the main issues of powder metallurgy and the issue of creating composite materials. The creation of new machines and mechanisms will depend on the availability and pace of finding new materials with special properties (heat-resistant, corrosion-resistant, magnetic, anti-friction, contact, friction, etc.). Further increase of loads and speeds of machine operation, complication of temperature conditions and the nature of working environments is possible only with the use of new materials. In the production of such materials, powder metallurgy gradually begins to play a dominant role. Powder metallurgy is the most economical method of manufacturing products; material waste here is the lowest compared to all known production methods (casting, mechanical cold and hot processing), and the number of operations is minimal. These features of powder metallurgy processes define it as a progressive method of production with great prospects for development.
Завдання: A trained specialist should know: - the main methods of obtaining metal powders and technological operations for the production of powder products; - to be able to choose the manufacturing technology of a powder sintered product in accordance with the specified operating conditions; -properties and peculiarities of technologies for obtaining products from powder and composite materials. As a result of studying the discipline, the specialist should be able to: - choose the optimal properties of the powder and composite materials, taking into account economic factors, for their wide industrial use; - select and calculate the main physical, mechanical and operational characteristics of products made of powder and composite materials; - to choose scientifically based and most effective technological processes for the production of blanks and products from powders and composites; - carry out calculations of the main parameters of the technological process of obtaining initial components and products from powders and composites based on a polymer matrix.
Learning outcomes: know the basic methods of producing metal powder manufacturing operations and production powder products; know the classification of composite materials, the main types of matrix and fillers used in the production of composite materials; be able to choose the technology of powder sintered product according to the specified conditions; know the properties and characteristics of technologies for powder and products from composite materials; be able to choose the optimum powder properties and composite materials taking into account economic factors for their industrial use; be able to select and calculate the basic physical, mechanical and operating properties in products from powder and composite materials; be able to choose science-based and most efficient production processes and products blanks from powders and composites; be able to carry out calculations of basic process parameters to obtain initial components and products from powders and composites.
Required prior and related subjects: Metallurgy. Technology of construction materials. Chemistry. Physics. Non-metallic materials.
Summary of the subject: Technological features to obtain powdere materials by physical and mechanical methods: spraying of liquid metal, grinding in the solid state. Equipment to obtain powder materils. Chemical, physical and technological properties of powders. Preparation of powders to form. Processes occurring during compaction of powders. Equipment for pressing powders. The technology of sintered materials. Sintered construction materials. Classification, properties and purpose of sintered structural materials. The technology of making structural sintered products. Sintered materials based on non-ferrous, refractory metals and their alloys. Sintered antifriction materials. The main trends in the development of antifriction materials made by the powder metallurgy. Factors that affect the properties of antifriction materials. General characteristics and classification of composite materials. The main components of powder composite materials. Types of matrices and enhancers, their properties. Methods of obtaining products from composite materials. Application of composite materials.
Опис: The discipline characterizes the main groups of powder and composite materials, methods of obtaining them, making products from them, processing, recycling, and disposal. The main advantages and disadvantages of each group of materials, and cases of their use instead of traditional materials are described. The discipline teaches how to make the optimal choice of powder and composite materials for the manufacture of products depending on the conditions of operation, ensuring low material consumption, environmental friendliness, the ability to process and recycle, as well as reducing the price of products.
Assessment methods and criteria: written reports on laboratory work - 20 points; abstract and presentation on the topic of the lecture - 20 points; final examination - 50 points, oral examination part - 10 points.
Критерії оцінювання результатів навчання: written reports of laboratory work - 20 points; lecture and presentation on the topic of the essay - 20 points; final control (exam) - 50 points; the oral part of the exam - 10 points. Final control: exam
Порядок та критерії виставляння балів та оцінок: 100–88 points – (“excellent”) is awarded for a high level of knowledge (some inaccuracies are allowed) of the educational material of the component contained in the main and additional recommended literary sources, the ability to analyze the phenomena being studied in their interrelationship and development, clearly, succinctly, logically, consistently answer the questions, the ability to apply theoretical provisions when solving practical problems; 87–71 points – (“good”) is awarded for a generally correct understanding of the educational material of the component, including calculations, reasoned answers to the questions posed, which, however, contain certain (insignificant) shortcomings, for the ability to apply theoretical provisions when solving practical tasks; 70 – 50 points – (“satisfactory”) awarded for weak knowledge of the component’s educational material, inaccurate or poorly reasoned answers, with a violation of the sequence of presentation, for weak application of theoretical provisions when solving practical problems; 49-26 points - ("not certified" with the possibility of retaking the semester control) is awarded for ignorance of a significant part of the educational material of the component, significant errors in answering questions, inability to apply theoretical provisions when solving practical problems; 25-00 points - ("unsatisfactory" with mandatory re-study) is awarded for ignorance of a significant part of the educational material of the component, significant errors in answering questions, inability to navigate when solving practical problems, ignorance of the main fundamental provisions.
Recommended books: 1. Advanced composite materials / Louis A. Pilato, Michael J. Michno. Berlin ; New York : Springer-Verlag, c1994. 2. В. Копань. Композиційні матеріали : навчальні посібники / К. : Пульсари, 2004. - 196 с. 3. Стабільність композиционных материалов / И. М. Спиридонова, А. Д. Панасюк, Е. В. Суховая, А. П. Уманский / Днепропетровск : Свидлер А. Л., 2011. Опис 244 с. : іл., табл.
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