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Typically, after welding, the properties near the weld are those of 6061-T4, a loss of strength of around 40%. The material can be re-heat-treated to restore near -T6 temper for the whole piece. After welding, the material can naturally age and restore some of its strength as well. Most strength is recovered in the first few days to a few weeks.
The AlMgSi alloys are therefore understood in the standards as a separate group (6000 series) and not as a subgroup of aluminum-magnesium alloys that cannot be hardenable. AlMgSi is one of the aluminum alloys with medium to high strength, high fracture resistance, good welding suitability, corrosion resistance and formability. They can be ...
Typical material properties for 6060 aluminum alloy include: [2] Density: 2.710 g/cm 3, or 169 lb/ft 3. Young's modulus: 70 GPa, or 10 Msi, or 303 EMEC; Ultimate tensile strength: 140 to 230 MPa, or 20 to 33 ksi. Yield strength: 70 to 180 MPa, or 10 to 26 ksi. Thermal Expansion: 23.4 μm/m-K. Solidus: 610 °C or 1130 °F.
An aluminium alloy (UK/IUPAC) or aluminum alloy (NA; see spelling differences) is an alloy in which aluminium (Al) is the predominant metal. The typical alloying elements are copper , magnesium , manganese , silicon , tin , nickel and zinc .
Typical material properties for 6005A aluminum alloy include: [2] Density: 2.71 g/cm 3, or 169 lb/ft 3. Electrical Conductivity: 47 to 50% IACS. Young's modulus: 70 GPa, or 10 Msi. Ultimate tensile strength: 190 to 300 MPa, or 28 to 44 ksi. Yield strength: 100 to 260 MPa, or 15 to 38 ksi. Thermal Conductivity: 180 to 190 W/m-K.
The solubility of magnesium is very high in aluminium and reaches a maximum at 450 °C with 14% to 17% depending on the literature reference. At 34.5%, there is a Eutectic with Al 8 Mg 5 (sometimes referred to as Al 3 Mg 2), an intermetallic phase (-phase).
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Representative curves of applied stress vs number of cycles for steel (showing an endurance limit) and aluminium (showing no such limit).. The fatigue limit or endurance limit is the stress level below which an infinite number of loading cycles can be applied to a material without causing fatigue failure. [1]