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 Materials Science Demonstrations (Lesson Plans)
Demoworks/ page 46 Corrosion (A rusty nail) Objective To illustrate the principles of corrosion and passivation in steel Equipment: • A piece of steel. (Drill rod has 0.9% carbon, available in most metal shops) • Concentrated nitric acid • Beakers •...
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Demoworks/ page 46 Corrosion (A rusty nail) Objective To illustrate the principles of corrosion and passivation in steel Equipment: • A piece of steel. (Drill rod has 0.9% carbon, available in most metal shops) • Concentrated nitric acid • Beakers • Water • A probe or small chemical spatula • Tongs Procedure: Caution: Perform this experiment in a hood. Place a small piece of the steel drill rod in a beaker. Pour concentrated nitric acid slowly into the beaker. The strong
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http://www.strangematterexhibit.com/demoworks_final.pdf#page=50
www.strangematterexhibit.com/demoworks_final.pdf#page=50
Demoworks/ page 46 Corrosion (A rusty nail) Objective To illustrate the principles <span class="highlight">of</span> corrosion and passivation in <span class="highlight">steel</span> Equipment: • A piece <span class="highlight">of</span> <span class="highlight">steel</span>. (Drill rod has 0.9% carbon, available in most metal shops) • Concentrated nitric acid • Beakers • Water • A probe or small chemical spatula • Tongs Procedure: Caution: Perform this experiment in a hood. Place a small piece <span class="highlight">of</span> the <span class="highlight">steel</span> drill rod in a beaker. Pour concentrated nitric acid slowly into the beaker. The strong
The Great War, Episode Two: Stalemate
their rifles with bayonets, are really intended to terrify the enemy by the sight of cold steel. It is believed that an attacking force will look so ferocious and will behave so ferociously that an enemy will quail before the sheer valor and bravery of this oncoming force. The...
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