Mike- I think the short answer is that I am always experimenting and trying to see what works best for me.
You are right, I used borax on the first weld. I have a tank with a gallon of kerosene in it, and I soak the initial stack in it. I will sprinkle a little bit of anhydrous borax on the billet before sticking it in the forge.
Now mind you, that's with 1084 that's been ground clean on a 60X belt. I know several guys that go right in the forge with 1084, mill scale and all. I used to do it that way, but every once in awhile was getting the dreaded black lines somewhere in a billet. As much as I hate standing in front of the grinder removing mill scale, I figure it's a small amount of time in the grand scheme of things.
Anyway, I have heard of a lot of guys only using kerosene. My buddy Mike Quesenberry called me up one day to talk to me about how well it was working for him. I tried it the other night with a small billet (initial weld, billet was about 10 layers) and it seems to have worked BEAUTIFULLY.
The dry welding has just proven to be a fool proof way to get a super solid weld for me. With the welder set at a low voltage and high wire speed, you can weld around a billet VERY fast.
I am also experimenting with soaking the re-stacked billet in kerosene. If I can get solid welds with only soaking the billet in the kerosene tank prior to putting it in the forge, then that will save a lot more time.
As far as distortion, I will intentionally "mess up" the billet a little here and there, i.e. forge it a little out of square, then knock it back to square, use different dies for some of the drawing process. The biggest factor in this blade was hand hammering it a lot. There are a lot of shimmery spots that I can directly relate to where I hit the blade with a drawing hammer.
In a perfect world a guy would end up with a random pattern billet that looks like a stack of alternating black/white sheets of paper... but I couldn't forge one that clean if my life depended on it. So I just add to the distortion on a random pattern. Also, a press works the billet more from the inside out. If you just squeeze a billet down as fas as you can, then cut the end, clean, and etch, you'll notice the center layers are thinner than the outside layers, and that has an impact on the final pattern too.
Hope that clears things up a bit Mike
Matt and Chuck- Angi almost bought me a shirt the other day that read, "I have ADD, which means I have attention defi.... LOOK A SQUIRREL!!!"
