Monday, November 15, 2010

Line defects and Surface defects

    Yeah, I was reading about these topics only from last Saturday. Please head to my advice, this is the wrong way of spending your weekend. So basically there is a lot to study, but everything is quite easy to understand. Video tutorials can be of great help in this issue, but alas, I couldn't surf for the same till now. I shall update the same here at the earliest.


What all needs to be covered:
  1. What are line defects, what are dislocations? ( both are same basically )
  2. Types of line defects viz screw dislocation & edge dislocation.
  3. How to find out the burgers vector for a given defect. What is burgers circuit, how to find out the direction of burgers vector. What is Burgers Vector?
  4. What are various types of surface defects? 
  5. Study about grain boundary and interface, tilt boundary, twinning, stacking faults & such.

Note:
  • Twinning is important concept as the same is asked many many times in the old question papers.
  • For simple definitions of defects and classification please refer to material science by RS Khurmi & RS Sedha 
  • For brief and clear cut explanation please refer to the  study material provided by AMIE


Resources:
  • A good pdf which helps to visualize the dislocations is here
  • A good image to help visualize point defects is here
  • Another point defect explanation here

Don't forget to grab a copy of Material Science and Engineering book, which is essential for preparing for AMIE, Material Science.


with warm regards
allmyposts

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