Academician Wu Xinhua of the Australian Academy of Engineering officially announced at the International Aeronautical Materials Conference held in Reno, the United States that after nearly two years of research, Academician Wu led the Monash University research team to successfully develop a high-strength and high-toughness aluminum alloy for additive manufacturing. Materials, adding a star member to 3D printing aluminum alloy materials. Al250C is a material specially designed by the research team for 3D printing, and it has reached the stage of mass production and commercial use. The launch of Al250C powder products immediately received high praise and attention from many aerospace giants including General Motors, Boeing, Raytheon, Safran and others. The use of this material to make aerospace aluminum alloy 3D printed structural parts is more promising to replace part of the current aerospace titanium alloy components, and achieve the purpose of reducing weight and saving costs in the aerospace field.
According to experts, in the field of aerospace, 3D printing technology can solve the extremely complex processing and manufacturing problems of precision components, in the complicated structure problems such as conformal internal flow channel, complex thin wall, hollow weight reduction, complex internal cavity, and multi-component integration. It has inherent advantages and is an important area for the rapid development of 3D printing technology. However, in the application of 3D printing aluminum alloy, most of the grades are not suitable for 3D printing due to the forming characteristics of traditional aluminum alloys. There are only a few cast aluminum alloys suitable for 3D printing. Due to their own material performance limitations, they cannot be suitable for large-scale applications in high-end aerospace fields. It is difficult to meet the requirements of high-strength and high-temperature use, which greatly limits the use of 3D printing in aerospace Application requirements for weight reduction.
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