Description of Individual Course Units
Course Unit CodeCourse Unit TitleType of Course UnitYear of StudySemesterNumber of ECTS Credits
TEK846FUNDAMENTALS OF FIBER AND YARN MECHANICSElective482
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
1Having knowledge about mechanical properties of textile fibers and mechanical properties of yarns
2Understanding of the effects of mechanical properties of fiber and yarns on the performance of textile materials.
3To be able to determine suitable properties of fiber and yarn produced different textile materials.
4To be able to plan spinning yarn process for different end uses regards to properties of fibers.
5The 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
WeekTheoreticalPracticeLaboratory
1Structural properties of fibers
2Physical properties of fibers – fiber fineness and length
3Physical properties of fibers – tenacity and elongation properties of fibers (Elasticity theory, Hooke Law)
4Bending and torsional behavior of fibers
5Yarn geometry – ideal yarn model
6The effects of twist on the yarn structure
7The fiber alignment in yarn and packaging of fiber
8Midterm exam
9Fiber migration in yarn structure
10Elongation and tenacity of yarns (crimp- relaxation)
11Bending and torsional behavior of yarns
12Friction properties of fiber and yarn
13Drafting theories
14The 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
Term (or Year) Learning ActivitiesQuantityWeight
SUM0
End Of Term (or Year) Learning ActivitiesQuantityWeight
SUM0
SUM0
Language of Instruction
Turkish
Work Placement(s)
None
Workload Calculation
ActivitiesNumberTime (hours)Total Work Load (hours)
Midterm Examination12020
Final Examination12020
Attending Lectures13226
TOTAL WORKLOAD (hours)66
Contribution of Learning Outcomes to Programme Outcomes
PO
1
PO
2
PO
3
PO
4
PO
5
PO
6
PO
7
PO
8
PO
9
PO
10
PO
11
PO
12
PO
13
LO13      22    
LO22   3  221   
LO3    2  221   
LO4    2  2213  
LO5            4
* Contribution Level : 1 Very low 2 Low 3 Medium 4 High 5 Very High
 
Ege University, Bornova - İzmir / TURKEY • Phone: +90 232 311 10 10 • e-mail: intrec@mail.ege.edu.tr