19ME3004 Smart Materials and Shape Memory Alloys 3 0 0 3

Module 2 – Ferroelectric Materials (8 hrs)

Piezoelectric materials-piezoelectric effect, Direct and converse, parameter definitions, Piezoceramics, Piezopolymers, Piezoelectric materials as sensors, Actuators and bimorphs

Module 3 – Shape Memory Materials (8 hrs)

Shape memory alloys (SMAs), Shape memory effect (SME), Martensitic transformation, One way and two-way SME, training of SMAs, binary and ternary alloy systems, Functional properties of SMAs.

Module 4 – Chromogenic Materials (7 hrs)

Thermochromism, Photochromism, Electrochromism, Halochromism, Solvatochromism-principle and design strategies

Module 5 – Smart Polymers (7 hrs)

Thermally responsive polymers, Electro active polymers microgels, Synthesis, Properties and Applications, Protein-based smart polymers, pH-responsive and photo-responsive polymers, Selfassembly, Molecular imprinting using smart polymers, Approaches to molecular imprinting, Drug delivery using smart polymers.

Module 6 – Smart Systems for Space Applications (7 hrs)

Elastic memory composites, Smart corrosion protection coatings, Self-healing materials, Sensors, Actuators, Transducers, MEMS, Deployment devices, Molecular machines

Text Books:

1. Michelle Addington and Daniel L. Schodek, “Smart Materials and Technologies” , Elsevier 2005. 2. K.Otsuka, C.M.Wayman(Eds.),“Shape Memory Materials”, Cambridge University Press, 2010

Reference Books:

1. M. Schwartz, “New Materials, Processes, and Methods Technology”, CRC Press, 2006. 2. P. Ball, “Made to Measure: Materials for the 21st Century”, Princeton University Press,2001. 3. I. Galaev, B. Mattiasson (Eds.), “Smart Polymers: Applications in Biotechnology and Biomedicine”, 2nd edition, CRC Press, 2008. 4. D.J. Leo, “Engineering Analysis of Smart Material Systems”, Wiley 2007. 5. M.V. Gandhi, B. S. Thompson, “Smart Materials and Structures”, Chapman & Hall, 2001.

Course code MATERIALS ENGINEERING LABORATORY L T P C

20ME1001 0 0 2 1

Course Objective:

Impart knowledge on 1. The microstructural changes in different material. 2. The selection of material for different applications. 3. Determination of mechanical properties like hardness, tensile strength etc.

Course Outcome:

The student will be able to 1. Understand the standards of materials tastings for various applications. 2. Study the microstructure of material to determine the grain size. 3. Determine the density of material by Archimedes' Principle. 4. Measure the hardness and tensile behavior of the material. 5. Analyze the performance parameters for marine applications. 6. Find the tensile strength of material.

List of Experiments

1. Learning materials testing standards. 2. Metallographic grinding and polishing of metals/alloys. 3. Study the microstructure of metals/alloys. 4. Determination of Density of material. 5. Testing of material hardness. 6. Testing of tensile strength of materials. 7. Determination of corrosion rate of engineering materials.