Aluminium alloy welding wire containing TiB2 particles
A technology of aluminum alloy welding wire and particles, applied in the field of aluminum alloy welding wire, can solve the problem of easy cracking of aluminum alloy, and achieve the effects of improving the strength of the weld, improving the comprehensive performance and reducing the internal stress.
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Embodiment 1
[0038] A TiB-containing 2 Granular aluminum alloy welding wire, the aluminum alloy welding wire contains the following elements by weight percentage: Zn is 1.1%, Mg is 4.1%, Cu is 1.3%, Zr is 0.2%, Cr is 0.15%, Fe is 0.3%, Si is 0.2% %, Mn 0.4%, TiB 2 Ceramic particles are 5%, the balance is Al, among them, TiB 2 The particle size of the ceramic particles is 11 microns to 13 microns.
Embodiment 2
[0040] A TiB-containing 2 Granular aluminum alloy welding wire, the aluminum alloy welding wire contains the following elements by weight percentage: Zn is 3.1%, Mg is 4.9%, Cu is 1.7%, Zr is 0.15%, Cr is 0.1%, Fe is 0.2%, Si is 0.15% %, Mn 0.15%, TiB 2 The ceramic particles are 4%, the balance is Al, among them, TiB 2 The particle size of the ceramic particles is 14 microns to 16 microns.
Embodiment 3
[0042] A TiB-containing 2 Granular aluminum alloy welding wire, the aluminum alloy welding wire contains the following elements by weight percentage: Zn is 1.6%, Mg is 4.7%, Cu is 1.4%, Zr is 0.15%, Cr is 0.1%, Fe is 0.2%, Si is 0.15% %, Mn 0.15%, TiB 2 Ceramic particles are 3%, the balance is Al, among them, TiB 2 The particle size of the ceramic particles is 17 microns-20 microns.
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