摘要
研究了Mg元素含量分别为0.3%、0.5%、0.7%和0.9%的Al-Si-Mn-Mg免热处理铸造铝合金的显微组织和力学性能。通过变质和不同凝固速率,观察到不同的微观组织。结果表明,随着Mg元素含量的提高,合金的抗拉强度及屈服强度增加,伸长率降低。同时发现,随着Mg元素含量的提升,合金的变质效果出现不同程度的下降。
The microstructure and mechanical properties of Al-Si-Mn-Mg cast aluminum alloy without heat treatment with different Mg contents of 0.3%,0.5%,0.7%and 0.9%were studied.Different microstructures were observed in the alloys after modification and different solidification rates.The results showed that with the increase of the Mg content,the tensile strength and yield strength of the alloy increased,while the elongation decreased.At the same time,it was found that with the increase of the Mg content,the modification effect of the alloy decreased in varying degrees.
作者
常博文
黄景福
刘志中
李宇飞
李笑
杨继伟
CHANG Bo-wen;HUANG Jing-fu;LIU Zhi-zhong;LI Yu-fei;LI Xiao;YANG Ji-wei(Shenyang Research Institute of Foundry Co.,Ltd.,CAM,National Key Laboratory of Advanced Casting Technologies,Shenyang 110022,Liaoning,China;Shenyang Research Institute of Foundry Co.,Ltd.,CAM,Shenyang 110022,Liaoning,China;Shenyang Zhuyan Technology Co.,Ltd.,Shenyang 110022,Liaoning,China;Dalian Huarui Heavy Industry Casting Co.,Ltd.,Dalian 116000,Liaoning,China)
出处
《铸造》
CAS
北大核心
2023年第5期560-563,共4页
Foundry
基金
辽宁省科技计划项目国家风电传动及控制工程技术研究中心联合开放基金(2021-KF-15-03)。
关键词
显微组织
力学性能
铸造铝合金
microstructure
mechanical properties
cast aluminum alloy
