How to etch the compound casted samples of Stainless steel and aluminium?

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Vipin Sharma

Use suitable etchant for maximum quantity of metal in the compund. In some cases, different OM of both etchants i.e. SS and Al are taken.

Raja Varadharaj

Thank you Prof. Seyed mahmoud Bayazid and Vipin Sharma,

The specimen was prepared with aluminium melt poured around the stainless steel pipe. Our aim is to get the micro-structure at the interface.