tailieunhanh - Lecture Material science: Part 1

Lecture Material science: Part 1 - Background presented introduction, material science or condensed matter, crystal structure and bonding, defects, dislocations 1 - dimensional defects. | Material Science 3C46 Part 1 Background Introduction What is Material Science - The understanding of how the structure and bonding of a material controls the properties - The understanding of how the properties of a material can be controlled by processing - Material selection for a wide range of applications What do Material Scientists do - They determine the structure of materials - They measure the properties of materials - They devise ways of processing materials - They think about how a material is suited to the purpose it serves and how it could be enhanced to give better performance Material Science or Condensed Matter Condensed Matter Physics Material science Understanding why materials are like they are. Science of using them for a purpose Why is Fe magnetic How do we produce a hard or soft magnet How does a transistor work How do we dope Si to be uniformly p-type What makes polymers hard or soft How do we shape hard polymers How does a laser work How can we improve the efficiency of a laser What is the electronic structure of Al When is Al best for drinks cans Why is Nb superconducting Can we make and use a high temperature superconductor