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Aluminium based Alloys and Metal Matrix Composites

Prof. Ranjit Bauri · IIT Madras

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About

Aluminium and its alloys are one of the most important classes of engineering materials which are used in many applications starting from household to aircrafts. Given the wide range of applications of Al alloys the property requirements are also quite diverse. Therefore, understanding the structure-property correlation i.e. the Physical metallurgy of Al alloys is very important.

Composites on the other hand supplement many of the properties needed in a particular application.

This course will cover the aluminium alloys and their composites in the entirety. The objective is to learn about Al alloys and composites with an emphasis on the physical metallurgy and the structure-property correlation. It is expected that at the end of the course students will develop a clear understanding on Al alloys, Physical metallurgy and Metal matrix composites.

Prerequisites: Basics of Materials Science & Engineering

Lectures

Week 1

  1. Pure Aluminium YouTube
  2. Extraction of Aluminium YouTube
  3. Alloy Designations YouTube
  4. Cast Aluminium Alloys YouTube
  5. Hypo and Hyper eutectic alloys YouTube

Week 2

  1. Modifying Al-Si alloys & Decoding Alloy Designation YouTube
  2. Solid Solution Hardening-1 YouTube
  3. Solid Solution Hardening-2 YouTube
  4. Yield point phenomena & Strain aging YouTube
  5. Cottrel-Bilby theory of strain aging YouTube

Week 3

  1. Portevin–Le Chatelier (PLC) effect YouTube
  2. Dynamic Strain Aging (DSA) YouTube
  3. Features of Serrrated Flow - 1 YouTube
  4. Features of Serrrated Flow - 2 YouTube
  5. Precipitation hardening - 1 YouTube

Week 4

  1. Precipitation hardening - 2 YouTube
  2. Precipitation hardening - 3 YouTube
  3. Precipitation hardening - 4 YouTube
  4. Precipitation hardening - 5 YouTube
  5. Precipitation hardening - 6 YouTube

Week 5

  1. 7XXX & 8XXX Series Alloys YouTube
  2. Strain Hardening - 1 YouTube
  3. Strain Hardening - 2 YouTube
  4. Recovery & Recrystallization YouTube
  5. Recrystallization Mechanism YouTube

Week 6

  1. Recrystallization: Nucleation & Growth YouTube
  2. Dynamic Recrystallization YouTube
  3. Discontinuous and Continuous Dynamic Recrystallization YouTube
  4. Continuous Dynamic Recrystallization YouTube
  5. Geometric Dynamic Recrystallization (GDRX) YouTube

Week 7

  1. Grain boundary strenthening YouTube
  2. Grain refinement methods YouTube
  3. Homogeneous vs. Heterogeneous Nucleation YouTube
  4. Grain refinement by Melt inoculation YouTube
  5. Mechanisms of grain refinement by melt inoculation - 1 YouTube

Week 8

  1. Mechanisms of grain refinement by melt inoculation - 2 YouTube
  2. Melt inoculation: Fading & Poisoning YouTube
  3. Grain refinement by melt vibration YouTube
  4. Severe Plastic Deformation (SPD) YouTube
  5. Dynamic recrystallization in SPD YouTube

Week 9

  1. Metal Matrix Composites YouTube
  2. Processing of Metal Matrix Composites YouTube
  3. Two-phase process, Insitu composites YouTube
  4. Particle wetting and Bonding YouTube
  5. Particle Distribution in MMCs - 1 YouTube

Week 10

  1. Particle Distribution in MMCs - 2 YouTube
  2. Rule of Mixture -1 YouTube
  3. Rule of Mixture -2 YouTube
  4. Strengthening Mechanism in MMCs - 1 YouTube
  5. Strengthening Mechanism in MMCs - 2 YouTube

Week 11

  1. Fracture Behavior of Fiber Reinforced Composites YouTube
  2. Ductile Fracture of Metals YouTube
  3. Fracture Behavior of Discontinuously Reinforced Composites YouTube
  4. Fatigue YouTube
  5. Fatigue Crack propagation & Growth YouTube

Week 12

  1. Fatigue Behavior of MMCs – 1 YouTube
  2. Fatigue Behavior of MMCs – 2 YouTube
  3. Fatigue Behavior of MMCs – 3 YouTube
  4. Fatigue Behavior of MMCs – 4 YouTube
  5. Fatigue Behavior of MMCs – 5 YouTube

Syllabus and materials

At NPTEL, as the course publishes them.

Credits and licence

Institution
IIT Madras
Department
Metallurgy and Material Science
Teacher
Prof. Ranjit Bauri
Level
Undergraduate
Language
English
Subjects
Engineering
Source
NPTEL
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
Attribution
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