ML3021 Materials Selection and Design Syllabus:
ML3021 Materials Selection and Design Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
The main learning objective of this course is to prepare the students for:
1. Having an overview of criteria, use of property chart and economics of materials selection.
2. Gaining knowledge about the manufacturing system, process selection and DFM.
3. Getting an insight to the manufacturing considerations in design.
4. Understanding the influence of the nature of load and material properties in design
5. Acquiring knowledge on the framework in materials design for various kinds of failures.
UNIT – I MATERIAL SELECTION IN DESIGN
Introduction, relation of materials selection to design, general criteria for selection, performance characteristics of materials, materials selection process, design process and materials selection, Types of design, material property chart, material performance indices, materials selection procedure, Structural index, economics of materials, recycling and materials selection
UNIT – II MATERIALS PROCESSING AND DESIGN
Role of Processing in Designing, classification of manufacturing processes, types of manufacturing systems, influence of material on process selection. Design for manufacturability, DFM guidelines, Design for assembly, DFA guidelines, computer methods for DFMA, Design for machining, casting, forging, welding and heat treatment and its DFM guidelines
UNIT – III MANUFACTURING CONSIDERATIONS IN DESIGN
Surface finish, texture, Standardization, Interchangeable manufacturing, Selective assembly, selection of materials based on mechanical properties — Preferred numbers, Limits, fits and tolerances, Types of fits and tolerances. Geometric tolerance, types of form and position tolerances, tolerance and manufacturing methods, selection of fits.
UNIT – IV MATERIALS PROPERTIES AND DESIGN
Stress – Strain diagram, design for strength, rigidity, design under static loading, stress due to torsion and bending, variable loading, stress concentration, fluctuating stress, eccentric loading – stress concentration. Design examples with shaft design and spring design.
UNIT – V SAFETY CRITERIA IN DESIGN
Design for brittle fracture, plane strain fracture toughness, fatigue failure, Design criteria, fatigue parameters, infinite, safe life and damage tolerance design, fatigue life prediction, corrosion resistance, forms of corrosion, corrosion prevention, Design against wear, types of wear, wear prevention, Designing with plastics, design for stiffness, Time dependent part performance.
TOTAL: 45 PERIODS
COURSE OUTCOMES:
Upon completion of this course, the students will be able to:
1. Identify suitable procedure for selection of material using material property chart.
2. Recognize the suitable manufacturing process with due considerations of design features of the component.
3. Elucidate the manufacturing considerations in design.
4. Analyse the influence of material properties and the nature of loading on design.
5. Develop a design procedure for safe design against various types of failures.
TEXT BOOKS:
1. Dieter George E, Engineering Design, Tata McGraw-Hill education, 1991.
2. Michael F Ashby, Materials selection in Machine Design , Butterworth and Heinemann, 2010
REFERENCES:
1. Bhandari V B, Design of Machine Elements, 3rd edition, Tata McGraw-Hill Education, 2010
2. Charles J A & Crane F A A, Selection and Use of Engineering Materials, Elsevier, 2013
3. Mangonan P L, The Principles of Materials Selection for Engineering Design, Prentice Hall, 1999
4. ASM Handbook : Materials Selection and Design, Volume 20, Taylor & Francis,1997
5. Mahmoud M Farag, Materials and Process Selection for Engineering Design, CRC Press, 2013