Forging forming -- English · 2023年7月14日 0

Heat treatment process optimization of high performance automobile forgings

Heat treatment process optimization of high performance automobile forgings is the key to improve the performance and prolong the service life of the forgings. The following are some common heat treatment process optimization methods: Tempering treatment optimization: Tempering is a commonly used step in the heat treatment of forging, which can reduce or eliminate the stress generated by the forging during the quenching process, and improve its toughness. Tempering temperature and time are key parameters that need to be optimized according to the specific material and forging design to obtain the best organization and performance. Quenching medium selection: The choice of quenching medium has an important impact on the structure and performance of the forging. Different media will lead to different cooling rates, which will affect the hardness, toughness and residual stress of the forging. Optimal selection of suitable quenching medium can obtain an ideal balance between microstructure and performance. Temperature control: Temperature control is very important in heat treatment. It is necessary to ensure the accurate control of parameters such as heating temperature, holding time and cooling rate according to the phase diagram and heat treatment curve of the material to ensure that the forging gets the ideal organization and performance during the heat treatment process. Stress release: Forgings accumulate stress during forging and heat treatment, which can lead to deformation or cracking. Stress release is an important process optimization method, which can reduce or eliminate the internal stress of forging by proper annealing treatment, improve its stability and prolong its service life. Heat treatment process simulation: With the help of heat treatment process simulation software, the heat treatment process of forging under different parameters can be simulated and analyzed. The microstructure and properties of forgings under different heat treatment conditions can be predicted by simulation calculation, and the heat treatment process can be optimized accordingly. It should be noted that the heat treatment process optimization of high-performance automotive forgings needs to be comprehensively considered in combination with various factors such as specific materials, forgings design and use requirements. Therefore, the best optimization scheme needs to be determined through experimental verification and continuous adjustment to ensure that the forging can give full play to its performance advantages.