Timeline for How to clean neodymium magnet spheres
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 24, 2019 at 7:35 | comment | added | Elmy♦ | There are 2 main corrosion products of iron: brown rust (iron III oxide) and black iron II oxide, which is a regular part of permanent magnets. If a magnet is chipped off, you can see the black interior beneath the silver coating. The black residue could be paint or dirt or rubbed off iron oxide. The magnets could also be coated in oil (to avoid corrosion) that collected dust over time. | |
| Sep 24, 2019 at 2:48 | answer | added | fixer1234 | timeline score: 5 | |
| Sep 24, 2019 at 0:52 | comment | added | StrongBad | @fixer1234 that seems like a good guess. My hands look like they did when I used to read the newspaper. | |
| Sep 23, 2019 at 23:07 | comment | added | fixer1234 | Do you have any clue what the black residue is? Are you assuming it's paint powder from what's been chipped and ground between the magnets? | |
| Sep 23, 2019 at 21:01 | history | edited | StrongBad | CC BY-SA 4.0 |
added information that got cut off
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| Sep 23, 2019 at 20:10 | review | Low quality posts | |||
| Sep 23, 2019 at 21:05 | |||||
| Sep 23, 2019 at 19:55 | review | First posts | |||
| Sep 24, 2019 at 7:23 | |||||
| Sep 23, 2019 at 19:54 | history | asked | StrongBad | CC BY-SA 4.0 |