Nevşehir Hacı Bektaş Veli University Course Catalogue

Information Of Programmes

INSTITUTE OF SCIENCE / MLZ612 - METALURJI VE MALZEME MüHENDISLIğI ANA BILIM DALı DOKTORA(ÖNERILEN PROGRAM)

Code: MLZ612 Course Title: DEFORMATION AND FRACTURE IN METALS Theoretical+Practice: 3+0 ECTS: 6
Year/Semester of Study 1 / Spring Semester
Level of Course 3rd Cycle Degree Programme
Type of Course Optional
Department METALURJI VE MALZEME MüHENDISLIğI ANA BILIM DALı DOKTORA(ÖNERILEN PROGRAM)
Pre-requisities and Co-requisites None
Mode of Delivery Face to Face
Teaching Period 14 Weeks
Name of Lecturer MEHMET ÇAĞRI TÜZEMEN (cagrituzemen@nevsehir.edu.tr)
Name of Lecturer(s)
Language of Instruction Turkish
Work Placement(s) None
Objectives of the Course
1. To introduce stress and strain occurred due to external forces in materials, 2. To introduce deformation and fracture behaviors of materials against external forces, 3. To introduce relationships between deformation-fracture and stress analysis, 4. To introduce materials selection according to service conditions.

Learning Outcomes PO MME
The students who succeeded in this course:
LO-1 Understanding fracture damage criteria PO-1 Accesses information in depth and breadth by conducting scientific research in the field of engineering, evaluates, interprets and applies information.
PO-2 Completes and applies information using scientific methods using limited or incomplete data; integrates information from different disciplines.
PO-3 Constructs engineering problems, develops methods to solve them and applies innovative methods in solutions.
PO-4 Leads multi-disciplinary teams, develops solution approaches in complex situations and takes responsibility.
Examination
LO-2 Understanding the causes and consequences of fatigue damage PO-1 Accesses information in depth and breadth by conducting scientific research in the field of engineering, evaluates, interprets and applies information.
PO-2 Completes and applies information using scientific methods using limited or incomplete data; integrates information from different disciplines.
PO-3 Constructs engineering problems, develops methods to solve them and applies innovative methods in solutions.
Examination
LO-3 Understanding types of deformation and fracture in materials PO-1 Accesses information in depth and breadth by conducting scientific research in the field of engineering, evaluates, interprets and applies information.
PO-2 Completes and applies information using scientific methods using limited or incomplete data; integrates information from different disciplines.
PO-3 Constructs engineering problems, develops methods to solve them and applies innovative methods in solutions.
Examination
LO-4 Understanding stress-strain relationships PO-1 Accesses information in depth and breadth by conducting scientific research in the field of engineering, evaluates, interprets and applies information.
PO-2 Completes and applies information using scientific methods using limited or incomplete data; integrates information from different disciplines.
PO-3 Constructs engineering problems, develops methods to solve them and applies innovative methods in solutions.
PO-4 Leads multi-disciplinary teams, develops solution approaches in complex situations and takes responsibility.
Examination
LO-5 Learning the yield criteria PO-1 Accesses information in depth and breadth by conducting scientific research in the field of engineering, evaluates, interprets and applies information.
PO-2 Completes and applies information using scientific methods using limited or incomplete data; integrates information from different disciplines.
PO-3 Constructs engineering problems, develops methods to solve them and applies innovative methods in solutions.
Examination
LO-6 Learning fracture toughness and fatigue crack propagation rate tests PO-1 Accesses information in depth and breadth by conducting scientific research in the field of engineering, evaluates, interprets and applies information.
PO-2 Completes and applies information using scientific methods using limited or incomplete data; integrates information from different disciplines.
PO-3 Constructs engineering problems, develops methods to solve them and applies innovative methods in solutions.
Examination
PO: Programme Outcomes
MME:Method of measurement & Evaluation

Course Contents
Concept of stres and strain. Stress strain relationship in uniaxial elastic loading. Bending and Torsional loading. Stress strain relationship in multiaxial elastic loading. Mohr's Circle for Stress and Strain. Stress strain relationship in plastic deformation. Elastic Failure Criteria. Fracture and Frcature mechanics. Fatigue. Fatigue Crack Growth. Stesses in Pressure vessels. Stresses in columns.
Weekly Course Content
Week Subject Learning Activities and Teaching Methods
1 Introduction to the basics of statics, load, moment and balance concepts Lecture, question and answer, discussion
2 Loading types: axial loading and shear loading Lecture, question and answer, discussion
3 Loading types: bending and torsion loading Lecture, question and answer, discussion
4 The concept of stress and strain, stress strain relationships Lecture, question and answer, discussion
5 Relationships between elastic constants, modulus of elasticity, shear modulus, bulk modulus and Poisson's ratio Lecture, question and answer, discussion
6 Elastic deformation theories, Mohr's circle for stress and strain Lecture, question and answer, discussion
7 Stress, strain and moment relationships in bending and torsion loading Lecture, question and answer, discussion
8 mid-term exam
9 Fatigue concept, fatigue types and fatigue tests Lecture, question and answer, discussion
10 Plane strain fracture toughness tests Lecture, question and answer, discussion
11 Crack propagation concept and fatigue crack propagation rate test Lecture, question and answer, discussion
12 Stress strain relationships in combined stress states Lecture, question and answer, discussion
13 Stresses in pressure vessels and columns Lecture, question and answer, discussion
14 Use of deformation meters in measuring unit strain Lecture, question and answer, discussion
15 Introduction to fracture mechanics, Griffith theory Lecture, question and answer, discussion
16 final exam
Recommend Course Book / Supplementary Book/Reading
1 Structures and Properties of Engineering Materials, William F. Smith, McGraw-Hill, Inc., 0-07-59172-5, Singapur,
2 W. F. Hosford, Mechanical Behavior of Materials, Cambridge University Press, 2005.
Required Course instruments and materials
Computer, Projection

Assessment Methods
Type of Assessment Week Hours Weight(%)
mid-term exam 8 2 40
Other assessment methods
1.Oral Examination
2.Quiz
3.Laboratory exam
4.Presentation
5.Report
6.Workshop
7.Performance Project
8.Term Paper
9.Project
final exam 16 2 60

Student Work Load
Type of Work Weekly Hours Number of Weeks Work Load
Weekly Course Hours (Theoretical+Practice) 3 14 42
Outside Class
       a) Reading 5 14 70
       b) Search in internet/Library 3 10 30
       c) Performance Project 0
       d) Prepare a workshop/Presentation/Report 0
       e) Term paper/Project 0
Oral Examination 0
Quiz 0
Laboratory exam 0
Own study for mid-term exam 4 2 8
mid-term exam 2 1 2
Own study for final exam 3 8 24
final exam 2 1 2
0
0
Total work load; 178