镁合金半固态注射成型技术的发展现状与应用前景  

Development Status and Application of Thixomolding Technology for Magnesium Alloys

作　　者：谷立东 李子昕 尚晓晴 王杰 李德江[1,2] 曾小勤 Gu Lidong;Li Zixin;Shang Xiaoqing;Wang Jie;Li Dejiang;Zeng Xiaoqin(School of Materials Science and Engineering,Shanghai Jiao Tong University,Shanghai 200240;Shenzhen Research Institute of Shanghai Jiao Tong University,Shenzhen 518063)

机构地区：[1]上海交通大学材料科学与工程学院,上海200240 [2]上海交通大学深圳研究院,深圳518063

出　　处：《汽车工艺与材料》2025年第4期1-12,共12页Automobile Technology & Material

基　　金：深圳市科技计划(KJZD20231023092902005)。

摘　　要：半固态注射成型技术近年来为镁合金行业注入了新的活力,综述了镁合金半固态注射成型技术的发展现状与应用前景。首先,阐述了镁合金半固态注射成型工艺的原理及优势,总结了镁合金半固态注射成型机的发展历程,指出中国在大型化装备技术领域正逐步成为创新引领者。进一步分析了基于半固态工艺技术的镁材料组织与性能研究的最新进展,指出该技术是充分挖掘镁合金性能潜力、减少铸造缺陷的重要方法之一。除Mg-Al体系外,随着新型半固态镁合金的研究,半固态注射成型的镁基复合材料因具有短流程、高性能的特点而受到关注。镁合金半固态注射成型技术已在消费电子、交通工具等领域得到应用,正逐步拓展至大型结构件的生产制造,特别是在新能源汽车领域展现出巨大的应用潜力和前景。In recent years,thixomolding technology has imparted thriving vigor to the magnesium alloy industry.This paper reviews the development and application prospects of thixomolding technology for magnesium alloys.Firstly,the principle and distinctive advantages of thyroiodin process for magnesium alloys are described in detail.Subsequently,the historical development of magnesium thixomolding machines is summarized,highlighting that China is gradually be coming an innovation leader in the field of large-scale equipment teehnology.Furthermore,this paper analyzes the latest advancements in research on microstructure and properties of magnesium materials utilizing thixomolding technology,and points out that this technology can fully exploit the performance potential of magnesium alloy and effectively reduce casting defects.Beyond the commonly used Mg-Al system,novel semi-solid magnesium alloys are also being researched and developed.Concurrently,magnesium matrix composites by thixomolding have garnered attention due to short process and high performance.Thixomolding technology for magnesium alloys has been applied in consumer electronics,transportation tools,etc.,and is gradually expanded to the production of large structural parts,especially demonstrating strong application potential in the field of new energy vehicles.

关 键 词：镁合金 半固态 注射成型 力学性能 

分 类 号：U465.22[一般工业技术—材料科学与工程]