JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• 1. To familiarize about the various properties of nanostructures.
• 2. To bring out the differences between nano and macro structures
• 3. To discuss applications specific properties

Course Outcomes

To bring out the distinct properties like electrical, magnetic, optical,

thermal and other mechanical properties of nanostructures

UNIT - I

Material Classes, Structure, and Properties: Classes of Materials: Metallic, Ceramic, Polymeric, Composite, Electronic, Bio and Nanomaterials, Mechanical Behavior: Stress, Strain, Stiffness and Strength, Origin of Strength. Thermal Behavior: Intrinsic Thermal Properties and the Physics of Thermal Properties, Electrical Behavior: Resistivity and Conductivity, Dielectric Behavior and the Physics of Electrical Properties. Magnetic Behavior: Magnetic Fields: Vacuum, Materials. Measuring Magnetic Properties and the physics of Magnetic Behavior. Optical Behavior: The Interaction of Materials and Radiation, Specular and Diffuse Reflection, Absorption, Transmission, Refraction and the physics of Optical Properties. Acoustic Behavior: Sound Velocity and wavelength, Sound Management, Sound Wave Impedance and Radiation. Nanomaterials and Nanotechnologies: An Overview, Why Nanomaterials? Scale, Structure and behavior, Nanomaterials and Nanostructures in nature, Nano materials in Art and Cultural Heritage.

UNIT - II

Nanomaterials: classes and fundamentals: Classification of Nanomaterials, Size effects, Surface to Volume ratio versus shape, Magic Numbers, Surface Curvature, Strain Confinement, Quantum effects.

UNIT - III

Nanomaterials Properties: Mechanical Properties, Scale and Properties, Scale dependence of Material Properties of Nanostructured materials, Thermal Properties of Nanomaterials, Properties: Electrical, Magnetic, Optical, Acoustic. Special Cases: Carbon nanotubes, nanocomposites

UNIT - IV

Mechanical Properties: Density And Elasticity: Density considered as an Example Property, The Rule of Mixtures Applied to Density, The importance of Grain Morphology, Density as a function of Grain size, The Elasticity of Nanomaterials, The Physical Basis of

R16 B.TECH MSNT.

Elasticity, and Elasticity of discrete Nanomaterials, Elasticity of Nanodevices Materials, and Elasticity of Bulk Nanomaterials.

UNIT - V

Plastic Deformation of Nanomaterials: Continuum descriptions of Plastic Behavior, The physical basis of yield strength, Crystal and Crystal Plasticity, Strengthening Mechanisms in Single Crystal Metals, From Crystal Plasticity to Polycrystal Plasticity, the yield strength of Nanomaterials.

TEXT BOOKS:

• 1. Nanomaterials, Nanotechnologies and Design by Michael F. Ashby, Paulo J. Ferreira and Daniel L. Schodek.
• 2. Nanomaterials - Mechanics and Mechanism by K.T. Ramesh.
• 3. Nanotechnology – Principles and Practices by Sulabha K. Kulkarni
• 4. Nanostructure and Nanomaterials by Guozhong Cao, Ying Wang.
• 5. Textbook of Nanoscience and Nanotechnology – B. S. Murthy, P. Shankar, Baldev Raj, B. B. Rath and James Murday, University Press-IIM Series in Metallurgy and Materials Science.
• 6. A Textbook of Nanoscience and Nanotechnology – T. Pradeep, Tata McGraw Hill edition. R16 B.TECH MSNT.