Automobile aluminum alloy car rim with high-temperature resistance and corrosion resistance

Abstract

The invention discloses an automobile aluminum alloy car rim with high-temperature resistance and corrosion resistance. The automobile aluminum alloy car rim is composed of the following components of, in percentage by mass, 38%-42% of aluminum, 12%-16% of copper, 5%-9% of zinc, 0.1%-0.7% of silicon, 0.2%-0.6% of chromium, 0.1%-0.9% of manganese, 0.2%-0.6% of nickel, 0.1%-0.5% of beryllium, 0.1%-0.5% of molybdenum, 1%-5% of dibenzenesulfonamide, 0.3%-0.7% of niobium, 0.2%-0.6% of glass fiber, 0.1%-0.5% of nano silicon carbide powder, 0.3%-0.7% of nano antimony trioxide, 2%-3.2% of talcum powder, 1%-1.8% of nano calcium carbonate, 2%-2.6% of sodium allysulfonate, and the balance iron. The automobile aluminum alloy car rim with the high-temperature resistance and the corrosion resistance hasthe advantages that the component preparation is reasonable and scientific, the excellent high-temperature resistance and the excellent corrosion resistance are achieved, the heat-resistant temperature exceeds 200 DEG C, and the corrosion-resistant capability is 1.5 times of the corrosion-resistant capability of a conventional steel car rim, and is 1.2 times of the corrosion-resistant capabilityof an aluminum alloy car rim, and the use requirements are met; and meanwhile, the tensile strength, the yield strength, the hardness and the toughness of the automobile car rim are improved, the goodmechanical property is achieved, the safety and the reliability are achieved, and the automobile aluminum alloy car rim with the high-temperature resistance and the corrosion resistance is suitable for industrial popularization, and the like.

Description

technical field [0001] The invention relates to the technical field of automobile wheels, in particular to an automobile aluminum alloy wheel hub with high temperature resistance and corrosion resistance. Background technique [0002] Wheel hub, English name: Car Rim, the cylindrical metal part in the car tire centered on the shaft to support the tire. In layman's terms, it is the part where the axle is installed in the center of the wheel, which is connected to the brake drum (brake disc), wheel disc And important parts of the half shaft. [0003] The wheels on the market can be divided into steel wheels and alloy wheels according to the material, and each has its own advantages and disadvantages. [0004] The main advantage of steel wheels is that the manufacturing process is simple (casting process is generally used, such as aluminum alloy wheels are generally produced by low-pressure casting process), the cost is relatively low, and the ability to resist metal fatigue i...

AI Technical Summary

Problems solved by technology

[0006] Due to the important role of the automobile wheel hub, it is necessary to consider the quality, reliability, weight and service life in the selection of the automobile wheel hub material. Under the premise of ensuring the material performance, replacing some steel parts with aluminum alloy can effectively reduce the weight of the automobile. Reduce fuel consumption, but at present, the heat resistance and corrosion resistance of my country's automobile aluminum alloy wheels still need to be improved