液固双金属复合铸造及其在汽车轻量化制造中的应用

打开文本图片集

中图分类号：TG249；TB331 文献标志码：B DOI：10.19710/J.cnki.1003-8817.20250063

Liquid-Solid Bimetallic Compound Casting and Its Applications for Manufacturing Lightweight Automotive Components

Zeng Daxin， Xiao Ming， Shi Qiuyue （Schoolof Materials Science&Engineering，Hubei Universityof Automotive Technology，Shiyan 442002）

Abstract：Bimetallic compound casting combines2 metal materials with diffrent compositionsand properties intoasingleintegralcasting，meting theperformancerequirementsatdiferentpartsof thecomponents thatare diffcult to achieve with asinglemetal material，andachieving automotive lightweight.Thispaper reviews liquid-solid bimetalliccompound casting process，analyzes the bonding mechanismsand formation conditionsof bimetallic interfaces，and summarizes the interface microstructure and performance control technologysuch as surface treatment， insert preheating，adding interlayersandapplicationofphysical fields，italsopresentsthe typicalapplicationsand manufacturing processesof aluminum/castiron，aluminum/steel，aluminum/magnesiumandstel/cast ironbimetallic compound castinginautomotive lightweight manufacturing.The paper finallypresents theresearch directionand development prospect of bimetalliccompound casting，providing a valuable reference for theresearch and its application in automotive manufacturing.

Keywords：Bimetal，Compound casting，Interfacial regulation，Automotive lightweight，Application

1前言

工艺过程简单、能一次成形复杂的双金属零件等优点，近年来越来越受到关注[1-4]。（剩余23968字）