View Single Post
Old 07-14-07, 10:29 PM
  #41  
coelcanth
hunter, gatherer
 
coelcanth's Avatar
 
Join Date: Feb 2005
Posts: 1,183
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
so what are you saying ?
the break is within millimeters of the weld and the joint is still sound.. how much smaller can a heat affected zone get ?
what went wrong ?

maybe it's just that aluminum isn't such a great material for this application

Originally Posted by blu3d0g
refer to post by brooklynmachine. realize that the weakest point on any welded item (with the exception of a few alloys) is the area right next to a weld, called the heat affected zone. Add to this the fact that aluminum is a much less forgiving metal, since it is an excellent conductor, it's much easier to overheat than steel.
coelcanth is offline