MECH2305 - Reverse Engineering

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10 Terms

1
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<p>Draw the microstructure</p>

Draw the microstructure

Solid in liquid

<p>Solid in liquid</p>
2
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<p>Draw microstrucutre, tell both the liquid composition and solid composition.</p>

Draw microstrucutre, tell both the liquid composition and solid composition.

Answer on image

<p>Answer on image</p>
3
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<p>Draw microstrucutre, tell both the liquid composition and solid composition.</p>

Draw microstrucutre, tell both the liquid composition and solid composition.

Answer on image

<p>Answer on image</p>
4
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<p>Draw microstrucutre, tell both the liquid composition and solid composition.</p>

Draw microstrucutre, tell both the liquid composition and solid composition.

Answer on image

<p>Answer on image </p>
5
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Hypoeutectic properties

  • Large dendrites (clumps) in microstructure.

  • Often result of casting

<ul><li><p>Large dendrites (clumps) in microstructure.</p></li><li><p>Often result of casting</p></li></ul><p></p>
6
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Hypereutectic properties

  • Very large blocks throughout microstructure.

<ul><li><p>Very large blocks throughout microstructure. </p></li></ul><p></p>
7
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<p>What is this microstructure a result of?</p>

What is this microstructure a result of?

Rolling, due to the long flattened/elongated strains which all go in the rolling direction.

8
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<p>What is this microstructure a result of?</p>

What is this microstructure a result of?

Deformation, due to pressing, causing barrelling/bulging.

9
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<p>Which manufacturing process?</p>

Which manufacturing process?

Powder metallurgy, big black blotches are due to trapped porosity.

10
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<p>How did this difference in hardness occur?</p>

How did this difference in hardness occur?

Most likely a result of carburizing.

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