Alu 7005 , 6061, ...
Posted: Tue 03 Aug 2004 12:34
Wat zijn de verschillen ?
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bron: http://www.mas.dti.gov.uk/pluto-resources/2148.pdf6XXX Aluminium, Magnesium & Silicon Alloys
As with the 4XXX series, the addition of silicon to the composition provides an ability to be formed into complex shapes. This functionality is used in the manufacture of complex shaped extruded sections to allow the designer to provide strength and/or stiffness in the areas where it is needed to provide a high strength/stiffness to weight ratio component. These alloys are heat treatable, providing medium to high strength properties. They provide very high resistance to corrosion, they can be easily welded and conduct electricity well. Applications of these alloys include, automotive body panels and structures, machine and civil engineering structural members and high strength electrical conductors.
7XXX Aluminium, Zinc & Magnesium Alloys
These are heat treatable and can provide very high strength and very high toughness aluminium alloys. The toughness levels are achieved by controlling the amount of impurities to provide a refined grain structure. These alloys can be welded, but this requires advanced technology and which is avoided if mechanical fastening can be used. The corrosion resistance of 7XXX alloys is average, so for exposed applications a coating is required. These alloys can be costly and sometimes require advanced tempering methods, so their application is normally limited to high performance applications in aerospace structures.
En wat betekent dat dan?ik 6061 , custom butted. icon_cool.gif