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METHOD FOR ETCHING THE SURFACE OF ALUMINIUM FRAGMENTS, ALUMINIUM FRAGMENTS WITH AN ETCHED SURFACE AND MATERIAL COMPOSITES CONTAINING SUCH FRAGMENTS
METHOD FOR ETCHING THE SURFACE OF ALUMINIUM FRAGMENTS, ALUMINIUM FRAGMENTS WITH AN ETCHED SURFACE AND MATERIAL COMPOSITES CONTAINING SUCH FRAGMENTS
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机译:蚀刻铝碎片的表面的方法,带有蚀刻表面的铝碎片和包含这种碎片的材料复合材料
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摘要
A method for etching fragments of aluminum or an aluminum alloy comprising the steps of: a. providing a hydrochloric acid solution in a trough-shaped container; b. inoculating the hydrochloric acid solution by chemically dissolving an amount of aluminum to produce an etching solution; c. adding the fragments to the etching solution immediately after the inoculation; d. etching the fragments for 0.5 to 10 minutes while stirring in such a way that the fragments are entrained by the motion of the etching solution; e. stopping the etching by diluting the etching solution with water; f. removing the etched fragments; g. repeatedly rinsing the fragments with water and h. rinsing the fragments with an organic desiccant. An etched fragment of aluminum or an aluminum alloy and also to a composite material comprising etched fragments.
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