| 摘要 |
The invention relates to a rigid composite metal panel comprising at least two metal parallel plates and/or sheets secured to the peaks and troughs of a corrugated aluminium stiffener sheet arranged between the parallel plates and/or sheets, wherein the corrugated aluminium stiffener sheet is an aluminium brazing sheet product made from an aluminium brazing sheet product including a core sheet (1) made of an aluminium alloy having on at least one surface of the core sheet clad, and preferably on both sides, an aluminium clad layer (2), the aluminium clad layer being made of an aluminium alloy comprising silicon in an amount in the range of 2 to 18% by weight, preferably 5 to 14%, and a layer (3) comprising nickel on the outer surface of the aluminium clad layer. The invention further relates to a method of manufacturing thereof.
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