模具技术Issue(6)：86-91,6.
不同锻压条件对建筑焊接用ADC12铝合金显微组织的影响
Microstructure analysis of ADC12 aluminum alloy under different forging conditions
摘要
Abstract
In this study,the microstructural changes of ADC 12,a near eutectic Al-Si alloy for architectural welding,were investigated in depth under varying forging conditions.In the experiments,the ADC12 alloy was forged using a converging die at three different processing temperatures,300,400,500 ℃,with forging ratios of 1.5 and 2.0,respectively.The changes in the precipitated phases in the alloy were analysed by X-ray diffraction(XRD)techniques,and the microstructural properties of the microstructures formed during the forging process were observed using an optical microscope.The experimental results were observed and analysed in detail in order to understand the interaction between the different treatment parameters more comprehensively.The XRD diffraction data revealed that a variety of complex intermetallic phases,such asβ-Al4.5FeSi and Al2Cu,were generated in ADC 12 alloy under the high temperature of casting.The precipitation of fine precipitation phases in the forging process contributed to the significant microstructure refinement of ADC 12 alloy.microstructure to be significantly refined,while the coarse particles were ruptured and fragmented during forging.This study provides an important theoretical support for understanding and analysing the microstructural changes of ADC 12 alloy in the actual production of forging.关键词
建筑工业/ADC12铝合金/温度/锻压比/显微组织Key words
construction industry/ADC12 aluminum alloy/temperature/forging ratio/microstructure分类
矿业与冶金引用本文复制引用
李阳,汪燕玲..不同锻压条件对建筑焊接用ADC12铝合金显微组织的影响[J].模具技术,2024,(6):86-91,6.基金项目
陕西省教育科学"十四五"规划2023年度课题立项项目(编号:SGH23Y2999). （编号:SGH23Y2999）
