A welding assembly may include a current generator, a first electrode electrically coupled to the current generator, the first electrode including a first engagement surface, a second electrode electrically coupled to the current generator, the second electrode including a second engagement surface
A welding assembly may include a current generator, a first electrode electrically coupled to the current generator, the first electrode including a first engagement surface, a second electrode electrically coupled to the current generator, the second electrode including a second engagement surface and a width-determining fixture positioned between the first electrode and the second electrode to define a welding volume.
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1. A method for welding stranded metals and metal alloys using a current generator, said method comprising: assembling a workpiece comprising a first member, said first member comprising a plurality of strands; positioning said workpiece between a first electrode and a second electrode, said second
1. A method for welding stranded metals and metal alloys using a current generator, said method comprising: assembling a workpiece comprising a first member, said first member comprising a plurality of strands; positioning said workpiece between a first electrode and a second electrode, said second electrode being aligned with said first electrode along a longitudinal axis, wherein said first electrode and said second electrode are electrically coupled to said current generator; applying a clamping force to said workpiece; positioning a width-determining fixture between said first electrode and said second electrode around said workpiece to define a welding volume having a width, said width determining fixture comprising a first side stop laterally opposed from a second side stop, wherein said first side stop is positioned on a first side of said workpiece and said second side stop is positioned on a second side of said workpiece; and applying a current through said workpiece to heat said workpiece, wherein said first side stop and said second side stop contain hot or molten metal within said width while said current is applied such that a width of said workpiece does not increase beyond said width of said welding volume, and wherein said hot or molten metal is contained within said width of said welding volume without inhibiting relative movement of said first electrode and said second electrode along said longitudinal axis. 2. The method of claim 1 wherein said first electrode comprises a first engagement surface, said first engagement surface being curved to define a recess. 3. The method of claim 1 wherein said workpiece further comprises a second member, and wherein said first electrode is positioned proximate said first member and said second electrode is positioned proximate said second member. 4. The method of claim 1 wherein said workpiece further comprises an auxiliary member. 5. The method of claim 1 wherein a linear position of said width-determining fixture with respect to said first electrode is adjustable in a direction parallel to said clamping force. 6. The method of claim 2 wherein said second electrode comprises a second engagement surface, said second engagement surface being curved to define a recess. 7. The method of claim 3 wherein said first member and said second member comprise aluminum or an aluminum alloy. 8. The method of claim 4 wherein said auxiliary member is positioned at least partially around said plurality of strands of said first member. 9. A method for welding stranded metals and metal alloys comprising: providing a current generator; assembling a workpiece comprising a first member and an auxiliary member, said first member comprising a plurality of strands, wherein said auxiliary member extends partially, but not completely, around said plurality of strands of said first member, positioning a first electrode proximate said workpiece, said first electrode being electrically coupled to said current generator; positioning a second electrode proximate said workpiece, said second electrode being electrically coupled to said current generator, wherein said second electrode is aligned with said first electrode along a longitudinal axis; applying a clamping force to said workpiece; positioning a width-determining fixture between said first electrode and said second electrode around said workpiece to define a welding volume having a width, said width determining fixture comprising a first side stop laterally opposed from a second side stop, wherein said first side stop is positioned on a first side of said workpiece and said second side stop is positioned on a second side of said workpiece; and applying a current through said workpiece to heat said workpiece, wherein said first side stop and said second side stop contain hot or molten metal within said width while said current is applied such that a width of said workpiece does not increase beyond said width of said welding volume, and wherein said hot or molten metal is contained within said width of said welding volume without inhibiting relative movement of said first electrode and said second electrode along said longitudinal axis. 10. The method of claim 9 wherein said first electrode comprises a first engagement surface, said first engagement surface being curved to define a recess. 11. The method of claim 9 wherein said workpiece further comprises a second member, and wherein said first electrode is positioned proximate said first member and said second electrode is positioned proximate said second member. 12. The method of claim 9 wherein a linear position of said width-determining fixture with respect to said first electrode is adjustable in a direction parallel to said clamping force. 13. The method of claim 10 wherein said second electrode comprises a second engagement surface, said second engagement surface being curved to define a recess. 14. The method of claim 11 wherein said first member and said second member comprise aluminum or an aluminum alloy. 15. A method for welding stranded metals and metal alloys comprising: providing a current generator; assembling a workpiece comprising a first member, said first member comprising a plurality of strands; positioning a first electrode proximate said workpiece, said first electrode being electrically coupled to said current generator; positioning a second electrode proximate said workpiece, said second electrode being electrically coupled to said current generator, wherein said second electrode is aligned with said first electrode along a longitudinal axis; positioning a width-determining fixture between said first electrode and said second electrode around said workpiece to define a welding volume having a width, said width determining fixture comprising a first side stop laterally opposed from a second side stop, wherein said first side stop is positioned on a first side of said workpiece and said second side stop is positioned on a second side of said workpiece, wherein said first side stop and said second side stop contain hot or molten metal within said width while said current is applied such that a width of said workpiece does not increase beyond said width of said welding volume, and wherein said hot or molten metal is contained within said width of said welding volume without inhibiting relative movement of said first electrode and said second electrode along said longitudinal axis; applying a current through said workpiece to heat said workpiece; and applying a clamping force to said workpiece during said step of applying said current, wherein said clamping force causes said first electrode to move relative to said width-determining fixture and approximate said second electrode. 16. The method of claim 15 wherein said first side stop is partially received in, but biased out of, a first sleeve and said second side stop is partially received in, but biased out of, a second sleeve.
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