Skip to main content

Questions tagged [corrosion]

For questions about the process of corrosion or protection of metals from corrosion.

-2 votes
0 answers
21 views

Is stainless steel current collector is corroded by sodium perchlorate electrolyte solution? If yes then can you please explain

I used sodium perchlorate electrolyte solution for making cell and in my electrode I used stainless steel as a current collector and cellulose as a separator.when I m doing cyclic stability then the ...
3 votes
1 answer
368 views

What materials are resistant to hot chlorine?

I'm looking to do an experiment involving hot chlorine gas (900 Celsius), however at the moment the only material I'm aware of that could cope with this is Hastelloy's C-22 alloy. What other ...
1 vote
1 answer
223 views

Why are bases corrosive?

If I understand correctly, an acid corrodes things because the hydronium ion attracts electrons away from whatever it is reacting with. Do bases corrode things in a similar manner? with the metal ...
0 votes
1 answer
44 views

What materials can be used to store supercritical water

I am wondering which materials might be suitable to contain SCW (supercritical water). Here, we are assuming that the pressure is almost equal on the outside of the container than the inside. I have ...
7 votes
1 answer
6k views

Creating resilient (non-brittle non-water-soluble) verdigris (blue-green copper patina)

First off, I checked and there are indeed a number of questions on copper patinas, but none which deal with resilience. Context I own a number of copper writing utensils, which I'd like to get a nice ...
1 vote
2 answers
170 views

Is it possible to electrochemically remove the aluminum fouling a steel file?

I have a number of metal files that, to my regret, I have used on aluminum which gets stuck to the teeth. As suggested on several mechanics forums, I have tried soaking the files in concentrated ...
1 vote
1 answer
800 views

Creating Oxalic Acid Gel for rust removal

While this question relates to an automotive application I consider that it is liable to be best asked on this site. Summary: I wish to create a low cost gel suitable for mixing with Oxalic acid to ...
2 votes
3 answers
2k views

What (stored-as-solids) acids/liquids can clean corroded copper?

I'm looking for a liquid that can remove copper corrosion (oxides and basic carbonates - the black and green stuff) off copper piping. The corrosion will be located on the inside of the pipe, in hard-...
-2 votes
1 answer
94 views

Creating Chloramines

I'm currently conducting some testing related to indoor pool environments. Here I believe, airborne chloramines are responsible for stress corrosion cracking in austenitic stainless steels. ...
1 vote
1 answer
387 views

Galvanic corrosion between copper, silver, nickel, and chrome plated brass

My PC uses a custom liquid cooling loop, in the loop currently I have copper (purity not specified by the manufacturer), silver (Nickel/.925 silver) and nickel plated brass fittings (no specifics from ...
-2 votes
1 answer
331 views

What is causing rust-like stains on my stainless steel appliances? [closed]

Two weeks ago we discovered that our new Kohler faucet was leaking under the sink in our lanudry room adjacent to our kitchen. We shut off the water and have not used the sink. It apparently was ...
2 votes
0 answers
235 views

How can I accelerate iron corrosion in a way that simulates natural processes?

I am attempting to conduct a research project comparing the effect of various current levels on electrolytic rust removal. Somewhat ironically however, I need a way to induce corrosion in a ...
0 votes
0 answers
234 views

Are there any real dangers to using lead fishing sinkers to hold a shower curtain in place?

I am hoping someone can help me consider if there are any factors that would make the use of lead fishing sinkers such as these in the shower risky enough to stop doing it. Specifically, they are ...
0 votes
1 answer
42 views

Sacrificial Electrodes on a Car?

I know that sacrificial electrodes are used on outboard motors and in other marine applications to reduce or eliminate corrosion from salt water, etc. Could pieces of zinc be attached to an ...
7 votes
5 answers
4k views

Do I need to 'neutralise' iron/steel/metal with a base after removing rust with acid?

I've never asked a question here before but these forums seem to have some extremely knowledgeable people so I thought I'd give it a try. I know it's a 1st grade question but I honestly don't have the ...

15 30 50 per page
1
2 3 4 5