I have a table flat surface made from aluminum, and the table legs are made from medium carbon steel. What are 3 welding processes that could be used to weld the legs to the flat surface.
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What are the melting points of the two metals? – Solar Mike Apr 03 '18 at 18:55
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3My question would be from what class and/or homework does this originate? – fred_dot_u Apr 03 '18 at 19:09
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1I think a Sonic Screwdriver (season 7 and later) has this capability. – Apr 03 '18 at 19:21
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Do you mean “Welding” or “Joining”? They are non synonymous – Jonathan R Swift Apr 03 '18 at 21:01
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This looks like a homework question. In order for such questions to be answered in this site, we need you to add details describing the precise problem you're having. What have you tried to solve this yourself? Please [edit] your question to include this information. – Wasabi Apr 04 '18 at 17:17
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Can't be done . Soldering and brazing physical properties would be poor. I think there is one possibility , which you can not afford, explosion bonding . A piece of aluminum is forced against steel by explosive force. Even that would be a challenge because of the very large differences in properties. Then aluminum would be welded to the aluminum side and steel welded to the steel side ; still I see a lot of problems. Think epoxy or bolts.
blacksmith37
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1You can buy the stuff pre-explosive-bonded and weld the al to the al and steel to steel. triclad. This is how thousands of boats are built with steel hulls and aluminum superstructures each year – Phil Sweet Apr 03 '18 at 22:36
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See here for an illustration of how Triclad is implemented: http://www.maritimeservicesdirectory.com/wp-content/uploads/2014/04/Merrem-beeld.jpg There is no reason this theory couldn't be used to join table legs to a table top – Jonathan R Swift Apr 04 '18 at 12:18
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It's been about 40 yr since I looked at explosion bonding; I guess there have been developments. Apparently the "triclad" bar is sawn from a plate to make the smaller sections. Interesting that the figure faintly shows the classic ripples at the bond interfaces. – blacksmith37 Apr 05 '18 at 02:05