Corrosion Science Quiz
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Questions and Answers

What technique was used to investigate the influence of germanium additions on the corrosion performance of zinc-aluminium-magnesium model alloys?

  • In-situ scanning vibrating electrode technique (correct)
  • Electrochemical impedance spectroscopy
  • X-ray photoelectron spectroscopy
  • Potentiodynamic polarization

What is the effect of germanium additions on the corrosion performance of zinc-aluminium-magnesium model alloys?

  • Formation of Mg2Ge and a decrease in the fractional area of eutectic p (correct)
  • No significant effect on corrosion performance
  • Formation of Zn-Al-Mg crystals
  • Increase in the fractional area of eutectic p

What is the concentration of NaCl used for immersing the zinc-aluminium-magnesium model alloys?

  • 0.25 mol.dm−3
  • 0.10 mol.dm−3
  • 0.05 mol.dm−3
  • 0.17 mol.dm−3 (correct)

Where is the Materials Research Centre located?

<p>College of Engineering, Swansea University, Bay Campus, Fabian Way, Crymlyn Burrow, Swansea, SA1 8EN, UK (A)</p> Signup and view all the answers

What is the focus of the study on Mg2Ge crystals in relation to the aqueous corrosion of Zn-Al-Mg alloys?

<p>To behave as ‘smart release’ inhibitors (A)</p> Signup and view all the answers

What technique was used to investigate the influence of germanium additions on the corrosion performance of zinc-aluminium-magnesium model alloys?

<p>In-situ scanning vibrating electrode technique (C)</p> Signup and view all the answers

What is the focus of the study on Mg2Ge crystals in relation to the aqueous corrosion of Zn-Al-Mg alloys?

<p>To behave as 'smart release' inhibitors (D)</p> Signup and view all the answers

What is the location of the Materials Research Centre involved in the study?

<p>Swansea University, Bay Campus (A)</p> Signup and view all the answers

What is the effect of germanium additions on the corrosion performance of zinc-aluminium-magnesium model alloys?

<p>Formation of Mg2Ge and decrease in the fractional area of eutectic p (B)</p> Signup and view all the answers

What is the concentration of NaCl used for immersing the zinc-aluminium-magnesium model alloys?

<p>0.17 mol.dm− 3 (A)</p> Signup and view all the answers

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