Magnesium-lithium alloy materials, as the lightest metal structural material in the world today, are characterized by the addition of lithium elements to magnesium metal, making it possible to achieve excellent mechanical properties, shock absorption, and noise reduction with low density, high specific stiffness, and high specific strength. High damping performance, as well as anti-radiation and anti-electromagnetic interference performance, represent the technological frontier of magnesium alloy development, and is known as the most revolutionary material in the future. Compared with aluminum alloy, the same size, the weight is only half of the aluminum alloy, but the specific strength is higher than the aluminum alloy. In addition, this new type of magnesium-lithium alloy has excellent damping performance, which is more than ten times that of aluminum alloys. It has a good shock absorption and noise reduction effect, and it has outstanding performance in shielding electromagnetic interference.
It is reported that magnesium-lithium alloy material greatly reduces the weight of satellites, significantly increases the payload, and reduces the launch cost. In September 2015, this material was used for the first time on China’s Pujiang-1 satellite and launched successfully. Its unparalleled advantages make it widely used in military and civilian fields such as aerospace, weapons and military, electronic products, petrochemicals, mechanical instruments, medical equipment, and outdoor equipment.
It is reported that the Shaanxi Province magnesium-lithium alloy engineering research center was approved by the Shaanxi Provincial Development and Reform Commission, Xi'an Sifang Ultralight Materials Co., Ltd. combined with Xi'an Jiaotong University's team of Professor Chai Donglang to undertake the construction. After years of hard work, research, and research, the center has developed three models of ultra-light magnesium-lithium alloys with independent intellectual property rights, drafted China's first national standard for magnesium-lithium alloys, and actively promoted the development of new magnesium-lithium alloys from scientific research. Large-scale production.
Water Based Adhesives
Water based adhesives are supplied as pre-mixed solutions, or are formulated as dry powders, which producers and distributors must then mix with water in order to obtain its adhesive properties. These properties are obtained when water is either lost from the glue line by evaporation or is absorbed by the substrate. Because of this, it is important to use at least one permeable substrate when applying water-based adhesives.
Because the polymers in water based adhesives are water soluble, the bonds that are formed between surfaces are more susceptible to moisture and water, although some kinds, like plant and casein glues, are made with a base material that is insoluble at room temperature. Although this has improved the resistance of such adhesives to the effects of water and moisture, water based solution adhesives are still perishable, and therefore contain a shorter storage life.
Water Based Adhesives
Water based adhesives are supplied as pre-mixed solutions, or are formulated as dry powders, which producers and distributors must then mix with water in order to obtain its adhesive properties. These properties are obtained when water is either lost from the glue line by evaporation or is absorbed by the substrate. Because of this, it is important to use at least one permeable substrate when applying water-based adhesives.
Because the polymers in water based adhesives are water soluble, the bonds that are formed between surfaces are more susceptible to moisture and water, although some kinds, like plant and casein glues, are made with a base material that is insoluble at room temperature. Although this has improved the resistance of such adhesives to the effects of water and moisture, water based solution adhesives are still perishable, and therefore contain a shorter storage life.
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