液态模锻6061铝合金轮毂的力学性能及静态承载能力的Abaqus仿真分析

Mechanical Properties of Liquid Forging 6061 Aluminum Alloy Wheel Hub and Abaqus Simulation Analysis of Its Static Load-Bearing Capacity

摘要:

利用液态模锻方法制备了6061铝合金轮毂，测试了热处理后轮毂不同部位的力学性能，同时利用Abaqus仿真模拟软件对轮毂的静态承载能力进行了分析。结果表明：轮毂不同部位的力学性能不同，性能最高处为外轮缘，抗拉强度为375 MPa、屈服强度为345 MPa；性能最低处为轮辋，抗拉强度为343 MPa、屈服强度为317 MPa；轮毂不同部位的性能差异主要是由晶粒度所致，外轮缘处的晶粒最细小、晶粒度达到5.032，轮辋处的晶粒最粗大、晶粒度为4.350。Abaqus仿真结果表明，静载条件下，所制备的轮毂性能达到了设计使用要求。

Abstract:

6061 aluminum alloy wheel hub was prepared by liquid die forging， and the mechanical properties of different parts of the wheel hub after heat treatment were tested. Abaqus simulations were also used to analyze the static load bearing capacity of the wheel hub. The results show that the mechanical properties of different parts of the wheel hub are different. The highest performance position is the outer rim， where the tensile strength reaches 375 MPa and the yield strength is 345 MPa. The rim has the lowest performance， where the tensile strength is 343 MPa and the yield strength is 317 MPa. The performance difference of different parts of the hub is mainly due to the grain size. The grain size at the outer rim is the finest， reaching 5.032， while that at the rim is 4.350. Abaqus simulation results show that the performance of the prepared hub meets the design requirements under static load.