EGE UNIVERSITY Lifelong Learning Programme

Description of Individual Course Units

Course 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

Language of Instruction

Turkish

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

Week	Theoretical	Practice	Laboratory
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

Term (or Year) Learning Activities	Quantity	Weight
Midterm Examination	1	100
SUM		100
End Of Term (or Year) Learning Activities	Quantity	Weight
Final Sınavı	1	100
SUM		100
Term (or Year) Learning Activities		40
End Of Term (or Year) Learning Activities		60
SUM		100

Work Placement(s)

None

Workload Calculation

Activities	Number	Time (hours)	Total Work Load (hours)
Midterm Examination	1	20	20
Final Examination	1	20	20
Attending Lectures	13	2	26
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
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