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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.
Silicon powders are used in aluminum-silicon alloys for enhancing strength and castability, providing better durability under high-stress conditions. [4] It also improves the fluidity of molten aluminum which allows easier casting of complex shapes with fewer defects. [5] Small additions of titanium and boron serve to refine the grain. [6]
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.
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 ...
Aluminium–scandium alloys (AlSc) are aluminum alloys that consist largely of aluminium (Al) and traces of scandium (Sc) as the main alloying elements.In principle, aluminium alloys strengthened with additions of scandium are very similar to traditional nickel-base superalloys in that both are strengthened by coherent, coarsening resistant precipitates with an ordered L1 2 structure.
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