What chemicals can I use for electrolytic etching of AA1050 and AA8011?

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Ioannis Samaras

A list of chemical and electrolytic etching

can be found in:

Etchant Database https://database.metallographic.com/pace-etchant.php https://www.metallographic.com/Etchants/Etchants.htm https://www.metallographic.com/Metallographic-Etchants/Metallography-Aluminum-etchants.htm

H. Abdelkader

try this

Electropolishing of Al and Al alloys in AlCl 3 /trimethylamine hydrochloride ionic liquid

Jesper V. Carstensen

I would try electrolytic etching with Barker's reagent (2% HBF4) using 20 V DC for 1-3 minutes. Use stainless steel cathode and keep sample as anode. The microstructure should be viewed using polarized light in an optical microscope.