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the reason behind etching before anodizing is to remove the tenacious oxide layer that froms almost instantly on contact with oxygen. if you have no chemical means to remove the oxide layer you could...

Been playing with titanium for quite a while now - here is my latest. 36mm dia, 2mm stock Grade5 Titanium, etched blackened and partially anodized.
A pretty simple Jerusalem cross, but I´m quite...

Unfortunately for getting vibrant color in the higher voltage ranges there is no way around etching. This entails the use of some fluoride containing solution with all the hazards involved. using NaF...

Glad you finally had the success you were aiming for.

The etch seems nice and crisp without pinholes or toner adhesion problems. But the Image looks a bit pixelated to me -this might be exactly...

Since the chemical side of the fluorine free titanium etch has been maxed out further improvements could only be made by altering the physical characteristics of the etch which would need some rather...

Well, there might be a slight misunderstanding here, my statement on YAG lasers was in direct response to bills inquiry into laser etching in his the last post and was intentionally ment that for...

For deep etching on metal you ll definitely need an powerful YAG laser - these dont come cheap unfortunately.
The cheap (mostly chinese made 1000mW-3000mW )CO2 laser engraving machines dont work on...

Using paper glued templates for saw piercing is not ideal but it can be made to work. The biggest problem with using paper is that it tends to "fuzz" when you saw it and esp on very thin sections the...

While the toner transfer method CAN be made to work properly its often a hassle to get perfect and dense transfers every time. Unfortunately this can be related to multiple things like choice of...

Solubility of Silver Chloride : 0,0014g/L at 20°C
Solubility of Silver Nitrate : 2160 g/L at 20°C

This should tell you something. HUGE difference. In etching silver there is unfortunately no...

I use graphite crucibles for melting , mostly together with a small kiln, from my experience they last longer than clay crucibles but are a bit more expensive. Mine are from "Fischer" company in...

Maybe you want to melt a bit more metal and your torch is not up to it? In this case a small kiln can help because it confines the heat better than melting in an open dish.

The easiest way to...

Kathryn,
I dilute just to 3% this works good. Lower % than that I have not tested . Its still an acid ,so should be treated with respect. I have compared the MSDS sheets for both 65% and 3% Nitric...

UK laws seem to be much stronger than over here - but that will also change soon... Restrictions for the purchase of even fairly innocuous other substances are getting more and more silly. Seem...

People think etching with salt is "green" and non toxic because we handle it every day but one thing not to forget when etching with saltwater is that at the cathode chlorine gas (toxic) is...

Sweat soldering would be the easiest and fastest esp since its a simple rectangular recess.

But from me another vote for etching. :)
From my experience Saltwater as electrolyte does NOT work. ...