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Description of Individual Course UnitsCourse Unit Code | Course Unit Title | Type of Course Unit | Year of Study | Semester | Number of ECTS Credits | TEK846 | FUNDAMENTALS OF FIBER AND YARN MECHANICS | Elective | 4 | 8 | 2 |
| Level of Course Unit | First Cycle | Objectives of the Course | - To give information about the mechanical properties of fibers and yarns which are important for the design of textile materials
- To provide the ability to use characteristics of fiber and yarn in the design of a textile materials.
| Name of Lecturer(s) | Prof. Dr. Pınar Çelik, Doç.Dr. Tuba Bedez Üte | Learning Outcomes | 1 | Having knowledge about mechanical properties of textile fibers and mechanical properties of yarns | 2 | Understanding of the effects of mechanical properties of fiber and yarns on the performance of textile materials. | 3 | To be able to determine suitable properties of fiber and yarn produced different textile materials. | 4 | To be able to plan spinning yarn process for different end uses regards to properties of fibers. | 5 | The skill of researching and presenting about mechanical properties of fiber and yarn. |
| Mode of Delivery | Face to Face | Prerequisites and co-requisities | None | Recommended Optional Programme Components | None | Course Contents | - Structural properties of fibers.
- Elastic behavior and properties of fibers.
- Friction properties of fibers
- Structural properties of yarns
- Mechanical properties of yarns
- Yarn spinning geometry | Weekly Detailed Course Contents | |
1 | Structural properties of fibers | | | 2 | Physical properties of fibers – fiber fineness and length | | | 3 | Physical properties of fibers – tenacity and elongation properties of fibers (Elasticity theory, Hooke Law) | | | 4 | Bending and torsional behavior of fibers | | | 5 | Yarn geometry – ideal yarn model | | | 6 | The effects of twist on the yarn structure | | | 7 | The fiber alignment in yarn and packaging of fiber | | | 8 | Midterm exam | | | 9 | Fiber migration in yarn structure | | | 10 | Elongation and tenacity of yarns (crimp- relaxation) | | | 11 | Bending and torsional behavior of yarns | | | 12 | Friction properties of fiber and yarn | | | 13 | Drafting theories | | | 14 | The spinning geometry of different spinning systems | | | 15 | | | | 16 | | | |
| Recommended or Required Reading | - Lord, P.R., 2003, Handbook of yarn production, Technology, science and economics, The Textile Institute, Woodhead Publishing ISBN 1 85573 696 9
- Lawrence, C.A., 2010, Advences in yarn spinning technology, The Textile Institute, Woodhead Publishing ISBN 2042-0811
- Okur, A., 2002, Tekstil Materyallerinde Mukavemet Testleri, DEÜ Müh.Fak.Yayınları, İzmir.
- Grosberg, P., Iype, C., 1999, Yarn Production, Theoretical Aspects, The Textile Institute, ISBN 1870372034.
- Başer, G., 2008, Tekstil Mekaniğinin Temelleri, Cilt I, DEÜ Müh.Fak.Yayınları, İzmir.
- Morton, W. E., Hearle, J. W. S., 2008, Physical properties of textile fibres, The Textile Institute, Woodhead Publishing.
- Hearle, J. W. S., Peters, R.H., 1963, Fibre Structure, Butterworth & Co. (Publishers) Ltd. and the Textile Institute
| Planned Learning Activities and Teaching Methods | | Assessment Methods and Criteria | | Language of Instruction | Turkish | Work Placement(s) | None |
| Workload Calculation | |
Midterm Examination | 1 | 20 | 20 | Final Examination | 1 | 20 | 20 | Attending Lectures | 13 | 2 | 26 | |
Contribution of Learning Outcomes to Programme Outcomes | LO1 | 3 | | | | | | | 2 | 2 | | | | | LO2 | 2 | | | | 3 | | | 2 | 2 | 1 | | | | LO3 | | | | | 2 | | | 2 | 2 | 1 | | | | LO4 | | | | | 2 | | | 2 | 2 | 1 | 3 | | | LO5 | | | | | | | | | | | | | 4 |
| * Contribution Level : 1 Very low 2 Low 3 Medium 4 High 5 Very High |
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Ege University, Bornova - İzmir / TURKEY • Phone: +90 232 311 10 10 • e-mail: intrec@mail.ege.edu.tr |
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