Rebecca Leese

7 Questions 9 Answers 0 Followers

Questions related from Rebecca Leese

Does the absence of an overhang on an insulated ECM cathode cause an overcut?

with cathodes for ECM we insulate the avoid overcutting as per industry standard however we are wondering whether having an overhang is important to reduce overcut further? our current cathode is...

12 December 2018 1,757 0 View

Is it possible to use electroless plating to deposit a non-metal?

I am looking to coat a structure with a solid electrolyte. Can electroless plating be used or is this solely used for plating metals?

08 August 2017 7,815 8 View

What's the initial oxidation rate for pure titanium?

I'm interested to know how long it takes for the oxide layer to reform after it has been broken. Is it on the order of nanoseconds, faster, slower?

02 February 2017 1,633 3 View

How can I increase the solid content of my filter cake?

I am involved with an electrochemical machining (ECM) process which creates metal (hydr)oxides. These are currently filtered out using a filter press but the cakes are only approx. 20 % solid. We...

10 October 2016 4,598 1 View

Is a polyethersulfone (PES) ultrafiltration membrane affected by high sulfate concentrations?

We're having a problem with UF membrane fouling; we were wondering whether a high sulphate concentration in the electrolyte can affect the membrane properties or cause membrane fouling?

10 October 2016 6,245 5 View

How can I easily measure sulfate concentration in a solution?

I'm looking for an easy, inexpensive way to accurately determine sulfate levels in my aqueous electrolyte with minimal equipment. Is there a titration method that purely relies on an...

10 October 2016 6,054 4 View

How do you calculate a charging current during a square wave potential pulse?

Details I have are the pulse length, pulse amplitude, electrode surface area, distance between electrodes.

10 October 2012 3,570 4 View