| 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 aluminum stiffener sheet arranged between the parallel plates and/or sheets, wherein the corrugated aluminum stiffener sheet is an aluminum brazing sheet product made from an aluminum brazing sheet product including a core sheet (1) made of an aluminum alloy having on at least one surface of the core sheet clad, and preferably on both sides, an aluminum clad layer (2), the aluminum clad layer being made of an aluminum 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 aluminum clad layer. The invention further relates to a method of manufacturing thereof.
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