The U.S. military develops new self-healing polymers with shape memory and recyclability

Researchers at Texas A&M University and the Army Research Laboratory of the U.S. Army Combat Capability Development Command have developed a new series of synthetic materials whose texture ranges from very soft to very hard. This new material is produced by adjusting the chemical composition of a single polymer. The result is a new material that can be 3D printed, self-healed, and recyclable, and naturally adhere to each other in the air or underwater.

Scientists say that the properties of this group of materials can be fine-tuned to the softness of rubber or the strength of load-bearing plastics. The material can heal itself within a few seconds and can be 3D printed, so it is very suitable for more realistic prosthetics and soft robots. The researchers said that this material also has a wide range of military applications, including agile platforms for aircraft and futuristic self-healing aircraft wings. Synthetic polymers are composed of long repeating molecular groups, like beads on chains. The long chains of the elastomer are lightly cross-linked, giving the material a rubbery feel.

The researchers said that crosslinking can also increase the number of crosslinks to make the elastomer more rigid. The team focused on a matrix polymer called a prepolymer. They chemically nailed two types of small cross-linking molecules-furan and maleimide. When the number of these molecules in the prepolymer increased, they found that they could make harder materials.

The hardest material made in this way is 1,000 times stronger than the softest material. Furan and maleimide can predict the type of reversible chemical bond, so that they can click and not click together according to temperature changes. At high temperatures, the molecules in the material will separate and become soft, while at room temperature, the material will harden to form crosslinks. Future research will try to increase the functionality of the material by amplifying its properties.

Lathe And Milling Processing Parts

Lathe and milling processing parts refer to precision metal parts that are manufactured using lathe and milling machines. These machines use computer numerical control (CNC) to produce parts to exacting specifications with high accuracy and precision.


Lathe machines are used to produce parts that have a cylindrical shape, while milling machines are used to produce parts with complex shapes and irregular surfaces. The combination of these two machining processes allows for the creation of parts with different shapes, sizes, and complexities.


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In conclusion, lathe and milling processing parts are essential components in the manufacturing industry. These precision parts provide accuracy, versatility, and cost-effectiveness for a wide range of applications. With the ability to produce parts with high accuracy and precision, lathe and milling processing parts offer a powerful solution for many manufacturing needs.


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