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Black spots in galvanized metal
Thanks for the replies. I am aware of zinc toxicity and only do this outdoors with proper PPE. This is indeed a 'home science experiment' attempting to replicate some work done in the early 20th century by Russian scientist Oleg Vladimirovich Losev who discovered some principles of solid...- w9ran
- Post #5
- Forum: Metal and Metallurgy engineering
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Black spots in galvanized metal
I'm looking to identify the black spots that are created when galvanized sheet metal (HVAC duct material) is heated to 600-800 degrees C (medium cherry). As the metal is heated sparks fly off the surface and white powderey residue remains, which I assume is zinc oxide as it turns yellow when...- w9ran
- Thread
- Replies: 5
- Forum: Metal and Metallurgy engineering
