Aluminum alloy automobile wheel hub composite reinforcement technology
An alloy and intermediate alloy technology, applied in the field of new materials, can solve problems such as hardness not meeting the requirements, material becoming brittle, and toughness not meeting the requirements, etc.
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[0015] A preferred embodiment of the present invention is given below:
[0016] 1. The formula of magnesium alloy material is (weight percentage): Si7.2%, Mg1.5%, Cu0.15%, Mn0.3%, Ti0.08%, Ni0.03%, Sr0.02%, and the rest are Al.
[0017] 2. The preparation steps are as follows:
[0018] (1) First, add 2 / 3 of the aluminum material to the melting furnace for melting. When the aluminum material is melted, use the material formula to press the crystalline silicon, magnesium and other materials into the aluminum liquid with a bell jar, and then add the remaining 1 / 3 The aluminum material is added to the melting furnace. After the alloy is completely melted and stirred uniformly, the temperature is raised to 740°C, and then Cu, Sr, Ti and other intermediate alloys are added in sequence, and the temperature is continued to rise to 750°C;
[0019] (2) Using Al-10% RE modification and Al-5Ti-1B refinement treatment, in order to ensure the effect of the modification treatment, select the Al-10...
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