magnesium magnesium
magnesium alloy has huge application prospects in aerospace, weapons and equipment, 3C civilian, automobiles and other fields due to its advantages of low density, high specific strength, high specific modulus, good thermal conductivity, excellent electromagnetic shielding and shock absorption, and easy recycling.
However, magnesium alloy has characteristics such as low absolute strength, poor corrosion resistance, poor molding performance and high cost, which seriously hinders the promotion and application of magnesium alloys.
1 magnesium instead of steel: China Aluminum Light Industry has made breakthrough progress again
Recently, China Aluminum Light Industry has made breakthrough progress in the field of high-performance magnesium alloys, solving the problem of tissue regulation of magnesium alloys in the deformation process, industrializing the ultra-fine crystallization of magnesium alloys, and successfully preparing a high-strength tough magnesium alloy that takes into account both strength and plasticity, making it possible to replace steel with magnesium. The magnesium alloy has tensile strength exceeding 400MPa, and the yield strength is as high as 360MPa, and the elongation rate reaches 13.9%.
400MPa Magnesium Alloy: High-strength, low-cost, large-scale
High-strength magnesium alloy material is an advanced basic material that supports the continuous upgrading and development of high-end equipment such as aerospace, new generation of weapons and equipment, high-speed trains, and new energy vehicle , and has broad application prospects. With the increasing demand for high-performance and large-scale components of lightweight magnesium alloys in my country's high-end equipment, insufficient strength seriously restricts the application of magnesium alloy materials in the above fields and the competitiveness of terminal products.
Most of the existing magnesium alloy materials have resistance strength between 250-350MPa. The alloy grains can be refined through large plastic deformation technology (SPD), but there are obvious shortcomings in fracture toughness and performance stability.
rare earth elements can significantly improve the casting performance, mechanical properties, corrosion resistance and high temperature resistance of magnesium alloys. However, high-strength magnesium-rare earth alloys have high costs and cannot be used on a large scale.
The mechanical properties of traditional magnesium alloys are poor. How to prepare high-strength and tough deformation magnesium alloy materials at low cost is a bottleneck problem in this field.
QYBM-1 Magnesium Alloy: Lighter, stronger, and better
Light-Yang alloy successfully prepared QYBM-1 Magnesium Alloy, with its tensile strength exceeding 400MPa and an elongation greater than 13%. It not only entered the 400MPa level threshold in strength, but also retained a good elongation. It has made new progress in the field of high-performance deformed magnesium alloy, which can meet customers' expectations for lighter, stronger and better products.
This grade magnesium alloy does not contain rare earths and other precious metal element alloys, taking into account good low cost and low raw materials. At the same time, the alloy has excellent corrosion resistance.
China Aluminum Light Research will continue to focus on the goal of lightweight manufacturing in China, and through technological innovation, practical actions and actual products, contribute scientific and technological strength to the prosperity of the country and the rejuvenation of the nation.
