ML3014 Smart Materials Syllabus:
ML3014 Smart Materials Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
The main learning objective of this course is to prepare the students for:
1. Knowing the different concepts in selecting smart materials
2. Comparing the different electro-rheological materials
3. Discuss on the various and piezoelectric materials
4. Distinguishing the different shape memory materials and their applications
5. Identying suitable materials for various applications such as actuators, sensors, etc.
UNIT I INTRODUCTION
Intelligent / Smart materials – Functional materials – Polyfunctional materials – Structural materials, Electrical materials, bio-compatible materials. – Intelligent biological materials – Biomimetics – Wolff’s Law – Biocompatibility – Material response: swelling and leaching, corrosion and dissolution, deformation and failure, friction and wear – host response: the inflammatory process – coagulation and hemolysis – in vitro and in vivo evaluation of biomaterials.
UNIT II ELECTRO-RHEOLOGICAL AND PIEZOELECTRIC MATERIALS
The principal ingredients of smart materials –microsensors- hybrid smart materials – an algorithm for synthesizing smart materials – active, passive reactive actuator based smart structures- suspensions and electro-rheological fluids – Bingham body model – principal characteristics of electro-rheological fluids – charge migration mechanism for the dispersed phase – electro- rheological fluid domain – fluid actuators- design parameter – application of Electo-rheological fluids
UNIT III MAGNETO-RHEOLOGICAL AND PIEZOELECTRIC MATERIALS
Basics, Principles and instrumentation and application of Magnetorheological fluids – Piezoelectric materials: polymers and ceramics, mechanism, properties and application. Introduction to electrorestrictive and magneto-restrictive materials
UNIT III SHAPE MEMORY MATERIALS
Nickel – Titanium alloy (Nitinol) – Materials characteristics of Nitinol – martensitic transformations – austenitic transformations – thermoelastic martensitic transformations– classification of SMA alloysmechanism of magnetic SMA
UNIT III APPLICATIONS OF SHAPE MEMORY ALLOYS
Continuum applications of SMA fasteners – SMA fibers – reaction vessels, nuclear reactors, chemical plant, etc. – micro robot actuated by SMA – SMA memorization process (Satellite Antenna Applications) SMA blood clot filter – Impediments to applications of SMA – Shape memory polymers– mechanism of shape memory-Primary moulding – secondary moulding– types and applications.
TOTAL:45 PERIODS
COURSE OUTCOMES:
Upon Completion of the Course, the students will be able to
1. Discuss the different Smart materials.
2. Describe the functions of Electro-Rheological Materials and their suitability for various applications.
3. Deiscuss the functions of Piezoelectric Materials and their suitability for various applications.
4. Explain the principle of shape memory effect and the transformations that occur in smart materials.
5. Select a suitable smart material for a given application
TEXT BOOKS
1. M. V. Gandhi and B. S. Thompson, “Smart Materials and Structures”, Chapman and Hall, London, First Edition, 1992
2. Mohsen Shahinpoor and Hans-Jo¨rg Schneider “Intelligent Materials”, RSC Publishing,2008
REFERENCES
1. Duerig,T. W., Melton, K. N, Stockel, D. and Wayman, C.M., “Engineering aspects of Shape memory Alloys”, Butterworth – Heinemann, 1990
2. Mel Schwartz (Ed), Encyclopaedia of Smart Materials” Volume –I and II, John Wiley & Sons, Inc.2002
3. Rogers, C. A., Smart Materials, “Structures and Mathematical issues”, Technomic Publishing Co., U.S.A, 1989