well here i attached with the lower magnification/ before and after immerse into NaOH. pls bear in mind the image is of different specimens and it is polished before the test is conducted and you can see at the middle of the image which is the same as i send before
this is how they processed...
hai there, can any1 tell me what has happen in the picture attached? The material used is Carbon Black filler/epoxy immerse into 2wt.% NaOH for corrosion test using tafel, 7mv/s scan rate is used.
CB filler used is electrical type, come in large fibre and milled to micro size.
CB is indicate...