镁铝合金浇注过程中气孔形成机制及控制策略研究  

Research on the Formation Mechanism and Control Strategy of Pores during the Casting Process of Magnesium Aluminum Alloy

作　　者：牛德良 NIU De-liang(AVIC Harbin Dong'an Engine Co.,Ltd,Harbin 150066,China)

机构地区：[1]中国航发哈尔滨东安发动机有限公司,黑龙江哈尔滨150066

出　　处：《世界有色金属》2025年第3期10-12,共3页World Nonferrous Metals

摘　　要：在镁铝合金的浇注过程中,气孔的形成是影响最终产品质量的一个关键因素。本文通过对镁铝合金浇注过程中气体溶解和析出机理的深入分析,探讨了气孔的形成原因,包括气体的溶解、析出以及合金凝固过程中的气体动态变化。研究着重分析了浇注温度、合金成分、浇注速度和模具设计等因素对气孔形成的影响,并提出了一系列有效的控制策略,以期为工业发展提供有益启示。In the pouring process of magnesium aluminum alloy,the formation of pores is a key factor affecting the final product quality.This article deeply analyzes the mechanism of gas dissolution and precipitation during the pouring process of magnesium aluminum alloy,and explores the reasons for the formation of pores,including gas dissolution and precipitation,as well as the dynamic changes of gas during the alloy solidification process.The study focuses on analyzing the effects of factors such as pouring temperature,alloy composition,pouring speed,and mold design on the formation of pores,and proposes a series of effective control strategies to provide useful insights for industrial development.

关 键 词：镁铝合金浇注 气孔形成机制 控制策略 

分 类 号：TG245[金属学及工艺—铸造]