Before the holes can be plated through, this smear must be removed by a chemical " de-smear " process, or by " plasma-etch ".
32.
In these techniques, ions of the metal to be plated must be periodically replenished in the bath as they are drawn out of the solution.
33.
The " work " is replaced with a hull cell test panel that will be plated to show the " health " of the bath.
34.
The bottom portion of the tool is locked to the bottom bed plate and the top portion of the tool is locked to the sliding ram.
35.
At long and a weight of, the cast steel locomotive bed plate made by General Steel Castings was the largest single-piece casting ever made for a locomotive.
36.
Sterling silver jewellery may be plated with a thin layer of 0.999 fine silver ( a process known as flashing ) or may be plated with rhodium or gold.
37.
Sterling silver jewellery may be plated with a thin layer of 0.999 fine silver ( a process known as flashing ) or may be plated with rhodium or gold.
38.
Therefore, to ensure that the hydride decomposes sufficiently rapidly and smoothly, chromium must be plated at a suitably high temperature ( roughly 60C to 75C, depending on conditions ).
39.
On discharge the reverse process occurs, the metallic zinc plated on the negative electrodes dissolves in the electrolyte and is available to be plated again at the next charge cycle.
40.
Copper wires in a cable may be bare or they may be plated to reduce oxidation with a thin layer of another metal, most often tin but sometimes gold or silver.
