Is it necessary to use a cover plate when welding composite panels, and why?

2009-02-22View Original

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Is it necessary to use a cover plate when welding composite panels, and why?

Reply #22009-02-23

I’ve never heard that a cover plate is needed when welding composite panels.

Reply #32009-02-23

I’ve never heard of it, but when welding composite panels, special attention must be paid to the welding of the transition layers; otherwise, delamination can occur.

Reply #42009-02-23

I have seen joints using cladding plates for zirconium and titanium composite sheets; generally, no cladding plate is used when welding ordinary stainless steel composite sheets.

Reply #52009-02-24

It’s just a zirconium plate; why is it necessary to add an additional cover plate?

Reply #62009-02-24

Zirconium and titanium are refractory metals; they are not weldable with other alloys, and these two metals are also most sensitive to contamination by iron ions. Of course, there are also issues such as structure.

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