Copper - nickel, nickel titanium, copper - titanium, titanium - molybdenum, brass - copper, mild steel - copper and other dissimilar metal weld between.

铜—镍、镍—钛、铜—钛、钛—钼、黄铜—铜、低碳钢—铜等多种异种金属间的焊接。

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They have worked with oxides of iron, aluminium, zirconium, titanium and copper.

ECONOMIST: Bunker-busting

Helium-cooled superconducting coils, typically made of an alloy of niobium and titanium encased in copper cladding, create magnetic fields ten times stronger than similar-size permanent magnets can muster.

ECONOMIST: Inside story

The sludge inside the tank contains chunks of solids, many common metals including aluminum, nickel, lead, silver, copper, titanium, and zinc and other common elements.

FORBES: What's Inside The Suspect Nuclear Waste Tank At Hanford?