▲ 3 r/Dhaka
Need help choosing a phone for camera + battery
Want to buy a phone with a good camera and battery. Xiaomi 17T or Nothing 4a Pro (from Dazzle)? Or is there any better option in this price range?
u/unknown_ton — 9 days ago
Can anyone help identify this material from its microstructure? (Nital etched, 20 µm scale bar)
I'm trying to identify the material shown in the attached microstructure image. The sample was etched with Nital and the image includes a 20 µm scale bar.
Unfortunately, I don't know the chemical composition, processing history, or exact material type.
Any opinions regarding:
- Possible material type
- Identifiable phases
- Whether it resembles cast iron, steel, or another alloy
would be greatly appreciated.
Thank you for your help.
u/unknown_ton — 4 months ago