| 摘要 |
Aluminum composite material comprises at least one aluminum core alloy and at least one outer solder layer made of an aluminum solder alloy, which is provided on one- or both sides of the aluminum core alloy, where the aluminum solder layer has an etched surface. Independent claims are also included for: preparing the above mentioned band-shaped aluminum composite material by roll-plating or simultaneous casting and then rolling, which includes etching the aluminum solder layer using an alkaline or acidic etchant; and #soldered structure comprising at least one transformed or non-transformed sheet or pipe made of the above mentioned aluminum composite material. |
