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HTT 110 · Metal Heat Treatment

Session 2 · Hour 1 · A map of iron and carbon

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Cool writes the children

Desk 53 · HTT 110 · booth

Cool true. You may heat.

slowtruefast

True. The paper's path.

Name how cool writes the children

0/6

  • Ferrite. Soft iron. Kind to a weld.

  • Austenite. The parent. Cool writes the children.

  • Cementite. Hard. Brittle if it rules.

  • Pearlite. Layers. A middle kind.

  • The Fe-C map. Carbon and heat. Where you stand.

  • Same steel. Different cool. Different metal.

CheckPoint ferrite, austenite, cementite, pearlite on the wall map. Draw a heat and a cool. Say slow, true, or fast. Do not invent degrees. Link the HAZ. A change is not a melt. Solid metal can rewrite its rooms. Oil quench is a fire risk. The paper owns the cool.