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Material Science & Metallurgy
by O. P. Khanna
Material Science and Metallurgy Syllabus for VTU BE/B.Tech Marine Engineering third sem complete syllabus covered here. This will help you understand complete curriculum along with details such as exam marks and duration. The details are as follows.
|Subject Code||15 MR32||IA Marks||20|
|Number of Lecture Hours/Week||4||Exam Marks||80|
|Total Number of Lecture Hours||50||Exam Hours||3|
CREDITS – 04
COURSE OBJECTIVES: This course provides
- The foundation for understanding the structure and various modes of failure in materials common in mechanical engineering.
- Topics are designed to explore the mechanical properties of metals and their alloys and composites.
- The means of modifying such properties, as well as the processing and failure of materials.
- Concepts of use of materials for various applications are highlighted.
COURSE OUTCOMES: The student shall be able to
- Describe the mechanical properties of metals, their alloys and various modes of failure.
- Understand the microstructures of ferrous and non-ferrous materials to mechanical properties.
- Explain the processes of heat treatment of various alloys.
- Understand the properties and potentialities of various materials available and material selection procedures.
- Know about composite materials and their processing as well as applications.
Basics, Mechanical Behavior, Failure of Materials
Introduction to Crystal Structure – Coordination number, atomic packing factor, Simple Cubic, BCC, FCC and HCP Structures, Crystal imperfections – point, line, surface and volume imperfections, Atomic Diffusion: Phenomenon, Fick’s laws of diffusion;Factors affecting diffusion.
Mechanical Behavior: Stress-strain diagram for ductile and brittle materials, mechanical properties in plastic range, yield strength offset yield strength, ductility, ultimate tensile strength, toughness. toughness [10 Hours]
Plastic deformation: of single crystal by slip and twinning.
Fracture: Type I, Type II and Type III,
Fatigue: Types of fatigue loading with examples, Mechanism of fatigue, Fatigue properties, S-N diagram, Fatigue testing.
Creep: Description of the phenomenon with examples, three stages of creep, creep properties, Stress relaxation. [10 Hours]
Mechanism of solidification, Homogenous and Heterogeneous nucleation, crystal growth, cast metal structures. Phase
Diagram I: Solid solutions Hume Rothary rule substitutional, and interstitial solid solutions, intermediate phases, Gibbs
Phase Diagram II : Construction of equilibrium diagrams involving complete and partial solubility, lever rule. Different types invariant reactions – Eutectic, Eutectoid, Peritectic, Peritectectoid reactions etc. [10 Hours]
Iron carbon equilibrium diagram
Description of phases, solidification of steels and cast irons, invariant reactions.
Heat treating of metals : TTT curves, continuous cooling curves, description of the following heat treatmen processes with industrial applications: annealing and its types. normalizing, hardening, tempering, martempering, austempering, hardenability, surface hardening methods like carburizing, cyaniding, nitriding, flame hardening and induction hardening, age hardening of aluminumcopper alloys. [10 Hours]
Ferrous and non ferrous materials
Properties, Composition and uses of Grey cast iron, malleable iron, SG iron and steel Copper alloys-brasses and bronzes.
Aluminum alloys-Al-Cu, Al-Si, Al-Zn alloys. Titanium alloys
Composite Materials : Definition, classification, types of matrix materials & reinforcements, fundamentals of production of FRP’s and MMC’s advantages and application of composites. [10 Hours]