Research Progress in Die-casting Technology for Large-scale Integrated Structural Components of Light Alloy
Al and Mg lightweight alloys are becoming ideal materials instead of steel,while the development and appli-cation of integrated die-casting technology also helps to achieve lightweight.Due to the restricted materials available for body structural parts,which is dominated by heat-treated aluminum alloys,the development of heat treatment-free alu-minum alloys with high strength and toughness has an important value for engineering applications.Large-scale inte-grated die-casting technology is in the infancy,and there exists a number of major technical challenges,such as the design of structural parts and connection with the body structure,large-scale die-casting equipment development and intelligent,as well as the development of molds and process.In addition,the integrated die-casting technology of Mg alloy is currently in the research stage,which has great potential for lightweight applications.The die casting forming technology of integrated die-casting Al and Mg alloys as well as large-scale integrated structural components in recent years was mainly reviewed,providing reference for the research and development of integrated die-casting large and complex vehicle body structural components.
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