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Material Science

Lecture 49 - Review Term 2 - Materials Science Module.pdf

Sustainability in Engineering

  • [x] ecological footprint
  • [x] carbon footprint
  • [x] the different stages and terms in the LCA (life cycle assessment)
  • [x] the different stages and terms in the Granta Eco-audit (material, manufacture, transportation, use)

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Building a Net-Zero World with Green Materials

  • [x] Target year for global net-zero emissions (2050)

  • [x] Percentage of companies who are committed to net-zero target in 2022 (20%)

  • [x] Relative global emissions from different sectors

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  • [x] Relative global emissions from different manufacturing industries

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  • [ ] The plan to get to net zero emissions for each sector (power, transportation, building, manufacturing industry, etc.)

  • [ ] Different ways to decarbonize manufacturing industry

  • [ ] What is carbon tax? CCS? MOE?

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Electrical / Thermal Properties

  • [x] How bandgaps arise in semiconductors and/or insulators.
  • [x] Electron scattering in metals.
  • [x] Thermal activation of electron-hole pairs in intrinsic semiconductors.
  • [x] Doping in extrinsic semiconductors.
  • [x] Polarization and how dielectric constant is always higher than 1.
  • [x] How a PN junction can act as a i) diode, ii) LED, and iii) solar cell.
  • [x] Thermal expansion.
  • [x] Thermal shock.

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Last update: April 18, 2022
Created: April 11, 2022