Thank you. This is a much better explanation of temperature and current affect on plating than all the other videos I've watched. Some other videos don't tell you why, or show you the actual results of the differences. This was way more understandable and you clearly show the affects on the surfaces. Thank you.
This was an extremely helpful introduction to information on electroplating. I’ve been giving myself a crash course on this subject and I greatly appreciate your instructions here.
At 11:30 in the video you are at the end of pre-treatment. The pieces are covered with a black coating. 1. What is this coating? It sounds as if you named it nickel hydride. 2. Doesn't this black coating interfere with plating? Wouldn't it be better if you were to remove this substance with a wire wheel, sanding, blasting etc. ? Thanks
@@Ken_Sweden My apologies. I was going from memory. I did not see the second-or-less segment I thought came from this video. I am talking about a fine, black coating on metals that have been de-rusted using an acid bath. Much of this black substance can be wiped away; although, often, manual means like sanding must be employed for removal.
Sorry for late respond but I could not see the point in the first comment. Now, rethinking this and going back to my last experiment, I know that there is, as you mention, often a black powdery substance (when dry) that is absorbed onto the part from some solutions, with time, depending on which acid that was used. I have never figured out exactly what that black substance is and as you say it is possible to wipe it off by hand. Also, as you mention, it’s not a good solution to the problem since you have it everywhere and you may not reach in everywhere. My solutions to this problem, still without knowing what the substance is, is to avoid any drying and keeping the times in the solutions post acid treatments (by nitric acid) as short as possible.
Which metals can't oxidize others? Like where we have to reduce metal B but metal A can't oxidize it, so we use another metal to put a sheet over metal B
Spelar koncentrationen av syra någon roll för slutresultatet vid rostborttagningen? Tänker om man kan göra större bad med lägre koncentration om man har stora/skrymmande detaljer att rengöra och inte har fat med syra i beredskap i verkstan.
Det är bara tiden som spelar roll så länge det är surt. Man kan dock vända på frågan och säga hur skulle det se ut om man gjorde badet basiskt, alltså motsatsen till surt? Detta kan man ju enkelt uppnå om man blandar i kaustisk soda. Svaret blir då att det kommer det påverka slutresultatet. Du kommer inte lösa upp rosten på samma vis ner till joner. Den kommer trilla av i forma av bitar och du får ingen riktigt ren yta som slutresultat.
Could this process of pre-cleaning your parts by substituted with electro-polishing? Basically you strip off the outer surface layer that would include all the rust and organics thus avoiding all the very dangerous acids.
Yes the alkaline first section removed the grease but the acid pickling removing the oxide is very sensitive and I have done it a bit less carefully, with only terrible results
Thank you. This is a much better explanation of temperature and current affect on plating than all the other videos I've watched. Some other videos don't tell you why, or show you the actual results of the differences. This was way more understandable and you clearly show the affects on the surfaces. Thank you.
This was an extremely helpful introduction to information on electroplating. I’ve been giving myself a crash course on this subject and I greatly appreciate your instructions here.
great detail, thanks for showing the different temperatures
this video is amazing and well done my friend :)
Place te object deeper. It Will plate better then directly under the waterline. Not sure why you want to prevent to get he wire plates
Does this method work for all metals?
Very nice
At 11:30 in the video you are at the end of pre-treatment. The pieces are covered with a black coating.
1. What is this coating? It sounds as if you named it nickel hydride.
2. Doesn't this black coating interfere with plating? Wouldn't it be better if you were to remove this substance with a wire wheel, sanding, blasting etc. ?
Thanks
I'm not sure. I don't see what you mean? Can you reformulate the question?
@@Ken_Sweden My apologies. I was going from memory. I did not see the second-or-less segment I thought came from this video. I am talking about a fine, black coating on metals that have been de-rusted using an acid bath. Much of this black substance can be wiped away; although, often, manual means like sanding must be employed for removal.
@@JAGorski1 @Ken Sweden Same question here. Can only the sodium hydroxide remove this black layer? Or we can use other chemical to remove this?
@@Ken_Sweden @Joel Gorski Same question here. Can only the sodium hydroxide remove this black layer? Or we can use other chemical to remove this?
Sorry for late respond but I could not see the point in the first comment. Now, rethinking this and going back to my last experiment, I know that there is, as you mention, often a black powdery substance (when dry) that is absorbed onto the part from some solutions, with time, depending on which acid that was used. I have never figured out exactly what that black substance is and as you say it is possible to wipe it off by hand. Also, as you mention, it’s not a good solution to the problem since you have it everywhere and you may not reach in everywhere. My solutions to this problem, still without knowing what the substance is, is to avoid any drying and keeping the times in the solutions post acid treatments (by nitric acid) as short as possible.
Which metals can't oxidize others? Like where we have to reduce metal B but metal A can't oxidize it, so we use another metal to put a sheet over metal B
Copper can't oxidize silver etc.
Spelar koncentrationen av syra någon roll för slutresultatet vid rostborttagningen? Tänker om man kan göra större bad med lägre koncentration om man har stora/skrymmande detaljer att rengöra och inte har fat med syra i beredskap i verkstan.
Det är bara tiden som spelar roll så länge det är surt. Man kan dock vända på frågan och säga hur skulle det se ut om man gjorde badet basiskt, alltså motsatsen till surt? Detta kan man ju enkelt uppnå om man blandar i kaustisk soda. Svaret blir då att det kommer det påverka slutresultatet. Du kommer inte lösa upp rosten på samma vis ner till joner. Den kommer trilla av i forma av bitar och du får ingen riktigt ren yta som slutresultat.
Are you a lecturer of somekind?
Very nice setup
+Daniel close, science inspiration! Thx for the comment. There will be a video on what I do when I can fit some useful context. All the best wishes!
Could this process of pre-cleaning your parts by substituted with electro-polishing? Basically you strip off the outer surface layer that would include all the rust and organics thus avoiding all the very dangerous acids.
Yes the alkaline first section removed the grease but the acid pickling removing the oxide is very sensitive and I have done it a bit less carefully, with only terrible results
If you had one finger print, would this spot not be an elevated surface with electropolish? I don't think it would be even
@@Ken_Sweden So electropolish instead of sodium hydroxide, but still us HCL/muriatic pickle for rust?