1Advantages of alloys: The hardness of the alloy is greater than that of the component metal .The melting point of the alloy is lower than that of the component metal. The toughness of the alloy is stronger than that of the component metal.Lower the melting point to facilitate casting. 2.Add certain special properties. For example: aluminum alloy. Aluminum alloy is made of pure aluminum with some alloying elements added, such as aluminum-manganese alloy, aluminum-copper alloy, aluminum-copper-magnesium hard aluminum alloy, aluminum-zinc-magnesium-copper super-hard aluminum alloy. Aluminum alloy has better physical and mechanical properties than pure aluminum: easy processing, high durability, wide range of applications, good decorative effect, and rich colors. For example, the advantages of magnesium alloy are low density, high specific strength and specific stiffness, strong seismic resistance, and can withstand large impact loads; at the same time, it has good cutting and polishing performance, and is an important structural material for industrial sectors such as aerospace, instrumentation, transportation, etc. 3. The hardness of the alloy is greater than the metal it constitutes. For example, aluminum alloy.
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