Thats a pretty big task your sinking your teeth into eh?
One big resource I depend on is:
"Welding Aluminum: Theory and Practice" By the Aluminum Association (ISBN 1-55925-000-3)
The above is pretty up to date and covers alloy types, filler selection, process selection, some heat treat and other important requirements. Every supervisor and engineering decision maker might be well served to have a copy on their desk.
That is the only recommendation I think makes sence at this point... All the materials you list can be joined with a number of processes, the selection of which one will really depend on production requirements, fixturing, repair vs manufacturing, code requirements etc.
Just keep bringing your questions... as time goes by things will get more specific I'm sure.
This should be a fun ongoing thread!
Lawrence makes an excellent suggestion.
I have a couple questions, and the answers might help clarify a few things.
First, what is your role in the undertaking of the new welding procedures?
Second, what code are you welding to; more to the point, what applications are we looking at here?
Your 6000 series metals are all heat-treatable; that is, they can be treated by certain processes to attain specific properties. T6 is one such condition; this will change during the welding process.
In all my experience (not as much as some of these guys), 7075 is not considered weldable.
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