江淮汽车等申请可焊可回收Al-Cu系高强韧压铸铝合金一体化压铸方法及系统专利，实现从根本上改善Al-Cu合金的流动性和氧化问题

Core Viewpoint - The application for a patent titled "Weldable and Recyclable Al-Cu Series High Strength and Toughness Die Casting Aluminum Alloy Integrated Die Casting Method and System" indicates advancements in aluminum alloy preparation technology, specifically focusing on improving the flowability and oxidation issues of Al-Cu alloys [1] Group 1: Patent Application Details - The patent application was filed by Hunan University Suzhou Research Institute and Anhui Jianghuai Automobile Group Co., Ltd. with the publication number CN120940617A and an application date of October 2025 [1] - The method involves preparing die-casting aluminum alloy liquid and utilizing it for integrated high-pressure die casting, which includes a three-speed injection process to achieve optimal pressure in the mold cavity [1] Group 2: Technical Innovations - The proposed method aims to fundamentally improve the flowability and oxidation problems of Al-Cu alloys, allowing for efficient and stable production of high-performance, high-reliability large die-casting structural components without the need for heat treatment [1]